ADDERLINK INFINITY USER GUIDE - ALIF1000 ALIF2000 ALIF2002
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ALIF1000
AdderLink Infinity ALIF2000
User Guide ALIF2002
Contents
Introduction Configuration
AdderLink ALIF1000T and ALIF1000R unit features...................3 Initial configuration...................................................................19
AdderLink ALIF2000T and ALIF2000R unit features...................4 Manual factory reset.............................................................19
What’s in the box (ALIF1000).......................................................5 AdderLink Infinity browser-based configuration utility.....20
What’s in the box (ALIF2000).......................................................6 Performing an upgrade.............................................................21
What you may additionally need................................................7
Operation
Installation Front panel indicators................................................................22
Mounting......................................................................................8
Connections..................................................................................9 Further information
TX video link..........................................................................10 Getting assistance.......................................................................23
TX audio links.........................................................................11 Appendix A.................................................................................24
TX USB link.............................................................................12 Tips for success when networking ALIF units ......................24
TX AUX port...........................................................................12 Appendix B.................................................................................26
TX power in............................................................................13 Troubleshooting....................................................................26
Power adapter identification...........................................13 Appendix C.................................................................................28
TX/RX network link................................................................14
Glossary..................................................................................28
RX video display.....................................................................15 Appendix D.................................................................................31
RX microphone & speakers...................................................16 RS232 ‘null-modem’ cable pin-out...................................31
RX USB devices.......................................................................17 Supported video modes....................................................31
RX AUX port...........................................................................17 ALIF 1000 and ALIF 2000 general specifications..............31
RX power in............................................................................18 Appendix E..................................................................................32
Power adapter identification...........................................18 Fibre modules and cables (ALIF 2000 units only) ................32
Appendix F..................................................................................33
Additional features available on ALIF2002T........................33
Warranty and Safety information.............................................34
Radio Frequency Energy............................................................35
Index 1Introduction
Thank you for choosing AdderLink Infinity, otherwise One-to-one configuration
The simplest configuration links one RX unit to a single TX unit, either by a direct
known as ALIF. ALIF represents a major advance in the
link or over much greater distances via a Gigabit (or Fibre) Ethernet network.
capabilities of digital extenders and switches. By encoding
high quality DVI video, digital audio and USB connections
into Internet Protocol (IP) messages, ALIF offers highly
ALIF TX ALIF RX
advanced and flexible signal switching capabilities.
Adder’s extensive knowledge of interfacing techniques
and high speed networking has allowed us to develop
new ways to break the chains of local DVI, USB and audio
connections. With ALIF, distance is finally no barrier to high
specification, high performance computing. Furthermore, One-to-many configuration
since all signals are now IP, the most elaborate and yet Using multicast techniques, an unlimited number of receivers* ALIF RX
simple-to-use switching and multicast techniques make can receive video and audio data streams from a single TX unit.
possible a great variety of uses.
There are two main models within the ALIF family:
Gigabit
ALIF TX ALIF RX
• ALIF1000 supports one single link DVI video stream, Ethernet
plus microphone, speakers and up to four USB
peripherals. ALIF1000 units are linked using Gigabit
Ethernet. * A maximum of eleven concurrent USB inputs (via
multiple RX units) are permitted to a single TX unit. ALIF RX
• ALIF2000 supports either two single link DVI video
streams or one dual link (very high resolution) DVI video
stream. This is in addition to microphone, speakers
and up to four USB peripherals. ALIF2000 units can be
linked using Gigabit Ethernet or Fibre Optic Links. Mixing ALIF1000 and ALIF2000 units
It is possible to mix ALIF1000 and ALIF2000 transmitters and receivers on a network, with the
In both model types, there is a TX transmitter and an RX
proviso that ALIF1000 units do not support dual link DVI video signals or fibre optic links.
receiver. The former attaches to a single computer; the
latter to your DVI video monitor, microphone, speakers and
up to four USB peripherals. The distance between them is ALIF and AIM
limited only by the size of your network. Where multiple ALIF units are used on a network, we have developed the AdderLink
In addition to separating one computer and its peripherals, Infinity Management (AIM) server to allow comprehensive and secure central control of all
ALIF promotes sharing. You can arrange for a limitless
transmitters, receivers and users.
number of screens and speakers, distributed anywhere When using an AIM server to configure ALIF units, it
across the network, to receive video and audio. You can is vital that all ALIF units that you wish to locate and AdderLink
also switch between any number of transmitter units from
ADM USR UNC ETH1 ETH2 PWR
control are set to their factory default settings. Otherwise
a single screen, keyboard and mouse in order to monitor a they will not be located by the AIM server. If necessary, MANAGEMENT SERVER
ADM USR UNC ETH1 ETH2 PWR
potentially vast collection of remote systems.
www.adder.com
perform a factory reset on each ALIF unit.
All units feature browser-based configuration utilities to Please also see Appendix A - Tips for success when networking ALIF units
allow quick and easy set up, from near or far.
2AdderLink ALIF1000T and ALIF1000R unit features
The ALIF1000 units are housed within durable, metallic enclosures with most connectors situated at the rear panel -
the Ethernet ports are situated on the front panels. The smart front faces also feature the operation indicators.
ALIF1000T (transmitter) - front ALIF1000R (receiver) - front
TRANSMIT RECEIVER
AdderLink AdderLink
www.adder.com www.adder.com
NET SER AUD USB DVI PWR NET SER AUD USB DVI PWR
Indicators Gigabit Indicators Gigabit
These six indicators clearly show the key aspects of operation: Ethernet These six indicators clearly show the key aspects of operation: Ethernet
• NET On when valid network link is present. port • NET On when valid network link is present. port
Flashes when the unit is in error. Flashes when the unit is in error.
• SER On when the AUX (serial) port is enabled and active. • SER On when the AUX (serial) port is enabled and active.
• AUD On when audio is enabled and active. • AUD On when audio is enabled and active.
• USB On when USB is enabled and active. • USB On when USB is enabled and active.
• DVI On when DVI video is enabled. • DVI On when DVI video is enabled.
• PWR Power indicator. • PWR Power indicator.
ALIF1000T (transmitter) - rear ALIF1000R (receiver) - rear
INDOOR INDOOR LINE IN/
USE ONLY OPTIONS DVI-D LINE OUT LINE IN AUX USE ONLY OPTIONS DVI-D LINE OUT AUX
MIC IN
1 2 1 2
ON ON
1 2 1 2
5V 2.5A COMPUTER 5V 2.5A USER CONSOLE
Power USB Video Audio AUX Power Video USB Audio AUX
input port input line (serial) input output ports line (serial)
in/out port in/out port
Configuration Configuration
switches switches
3AdderLink ALIF2000T and ALIF2000R unit features
The ALIF2000 units are housed within durable, metallic enclosures with most connectors situated at the rear panel - the
Ethernet and fibre ports are situated on the front panels. The smart front faces also feature the operation indicators.
ALIF2000T (transmitter) - front ALIF2000R (receiver) - front
AdderLink www.adder.com TRANSMIT AdderLink www.adder.com RECEIVER
NET SER AUD USB DVI PWR NET SER AUD USB DVI PWR
Reserved Fibre Gigabit Reserved Fibre Gigabit
module Ethernet module Ethernet
slot port slot port
Indicators Indicators
These six indicators clearly show the key aspects of operation: These six indicators clearly show the key aspects of operation:
• NET On when valid network link is present. • NET On when valid network link is present.
Flashes when the unit is in error. Flashes when the unit is in error.
• SER On when the AUX (serial) port is enabled and active. • SER On when the AUX (serial) port is enabled and active.
• AUD On when audio is enabled and active. • AUD On when audio is enabled and active.
• USB On when USB is enabled and active. • USB On when USB is enabled and active.
• DVI On when either or both DVI Video channels are enabled. • DVI On when either or both DVI Video channels are enabled.
• PWR Power indicator. • PWR Power indicator.
ALIF2000T (transmitter) - rear ALIF2000R (receiver) - rear
INDOOR
USE ONLY OPTIONS DVI-D-1 DVI-D-2 DVI-D-2 DVI-D-1
AUX
1 2
ON
IN OUT
1 2
5V 2.5A COMPUTER 5V 4A
Power USB Primary Secondary Audio AUX Power USB Secondary Primary Audio AUX
input port video video line (serial) input ports video video line (serial)
input input in/out port output output in/out port
Configuration Configuration
switches switches
4What’s in the box (ALIF1000)
ALIF1000T package
Power adapter
(12.5W) and
country-specific
power lead
Ad
der
Lin
k
CD-ROM
NET
SE
R AU
D
USB
DV
I PW
R TR
AN
SM
IT
Combined DVI-D and USB
ALIF1000T unit ww
w.ad
de
r.com cable (1.8m)
Four self-adhesive
rubber feet
ALIF1000
Quick Start Guide
2 x Audio cable 2m Serial null modem cable 2m
(3.5mm stereo jacks)
ALIF1000R package
Power adapter
(12.5W) and
country-specific
power lead
Ad
der
Lin
k
ALIF1000
Quick Start Guide
CD-ROM
NET
SE
R AU
D
USB
DV
I PW
R RE
CE
IV
ER
ALIF1000R unit
ww
w.ad
de
r.com
Four self-adhesive
rubber feet
5What’s in the box (ALIF2000)
ALIF2000T package
Power adapter
(20W) and
country-specific
power lead
Ad
der
Lin
k
CD-ROM
NET
SE
R AU
D
USB
DV
Combined dual link DVI-D
I PW
R TR
AN
SM
IT
and USB cable (1.8m)
ww
w.ad
de
r.com
ALIF2000T unit
Four self-adhesive
rubber feet
ALIF2000
Quick Start Guide
Single link DVI-D to DVI-D video cable 2 x Audio cable 2m Serial null modem cable 2m
(3.5mm stereo jacks)
ALIF2000R package
Power adapter
(20W) and
country-specific
power lead
Ad
der
Lin
k
ALIF2000
Quick Start Guide
CD-ROM
NET
SE
R AU
D
USB
DV
I PW
R RE
CE
IV
ER
ww
w.ad
de
r.com
ALIF2000R unit
Four self-adhesive
rubber feet
6What you may additionally need
Single mode fibre module
(for ALIF2000)
Part number: SFP-SM-LC
Please refer to the table in Appendix E for
information about fibre modules and cables.
Two 19” rack-mount brackets and four screws
Part numbers:
One unit per 1U rack slot: RMK4S Single link DVI-D to DVI-D video cable
Two units per 1U rack slot: RMK4D Part number: VSCD1
Combined dual link DVI-D and USB (USB type A to B) cable
Multi mode fibre module Part numbers: VSCD3 (1.8m length)
(for ALIF2000) VSCD4 (5m length)
Part number: SFP-MM-LC
Power adapter (12.5W) and
country-specific power lead
for ALIF1000 units
Part number: PSU-IEC-5VDC-2.5A
Audio cable 2m
(3.5mm stereo jacks)
USB cable 2m (type A to B) Part number: VSC22
Part number: VSC24
Power adapter (20W) and
country-specific power lead
for ALIF2000 units
Part number: PSU-IEC-5VDC-4AMP
Serial null modem cable 2m
Part number: CAB-9F/9F-NULL-MODEM
7Installation
Mounting
There are two main mounting methods for transmitter and receiver units:
• The supplied four self-adhesive rubber feet
• Optional rack brackets
Connections
Rack brackets
The optional brackets (plus four screws), allow the
units to be secured within a standard rack slot.
Note: The ALIF units and their power
supplies generate heat when in operation
and will become warm to the touch.
Do not enclose them or place them in
locations where air cannot circulate to
cool the equipment. Do not operate
the equipment in ambient temperatures
exceeding 40oC. Do not place the
products in contact with equipment
whose surface temperature exceeds 40oC.
IN
US DOO
EO R
NL
Y
OP
TIO
NS
LIN
E
MI IN/
1
2
5V CI
N LI
2.5 NDEV
SAE 1 2 IO
-DU
T
RC
ON
SO AU
LE X
LIN
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MI IN/
CI
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CO
8Connections
Installation involves linking the ALIF TX unit to various ports on the host
computer, while the ALIF RX unit is attached to your peripherals:
VIDEO VIDEO
LINK LINK
page 10 page 15
AUDIO MIC &
LINKS SPEAKERS
page 11 page 16
CABLE LINK
page 14
USB USB
LINK ALIF TX OR ALIF RX DEVICES
page 12 page 17
FIBRE LINK
(ALIF2000 only)
page 14
SERIAL SERIAL
LINK LINK
page 12 page 17
POWER POWER
IN IN
page 13 page 18
Click a connection to see details
IMPORTANT: When using an AdderLink Infinity Management box to configure
ALIF units, it is vital that all ALIF units that you wish to locate and control are
set to their factory default settings. Otherwise they will not be located by the
AIM server. If necessary, perform a factory reset on each ALIF unit.
Please also see Appendix A - Tips for success when networking ALIF units
9TX video link VIDEO
LINK
ALIF units support DVI digital video AUDIO [ALIF2000 when using two single link
LINKS
signals and so use DVI-D video DVI-D displays] Connect an additional
connectors throughout. video input from the secondary video
USB LINK
ALIF TX port of the computer system using
• ALIF1000 models can support LINK
a single high resolution DVI-D the supplied secondary DVI-D link
DV
SERIAL ALIF RX cable.
I-
video display at pixel clocks up LINK
D-1
to 165MHz (equating to an POWER
IN
example display mode of 1920 x DV
I-
1200 at 60Hz refresh). D-2
• ALIF2000 models can simultaneously support up to two Single Link high CO
MP
resolution video displays at pixel clocks up to 165MHz; or can alternatively UT
ER
support a single Dual Link very high Resolution video display at pixel clocks
up to 330MHz (equating to an example display mode of 2560 x 1600 at 60
Hz refresh).
To make a video link To primary video output port
1 Wherever possible, ensure that power is disconnected from the ALIF and the
host computer.
2 Connect a digital video link cable to the DVI-D socket (ALIF1000) or DVI-D-1 To secondary video output port
(ALIF2000) on the TX unit rear panel:
[ALIF1000] [ALIF2000 when using one very high
resolution DVI-D dual link display]
Use a DVI-D Dual Link cable (such as
Adder part: VSCD3) to connect the
DV
I- primary video port of the computer
D
DV
system to the DVI-D-1 connector of
I- D-1
the ALIF2000. A dual link cable must
DVI-D link from also be used at the RX unit.
host computer DV
I- D-2
CO
MP CO
MP
UT
ER
3 Connect the plug at the other end of the cable to the corresponding DVI-D VSCD3 cable to primary video output port
video output socket of the host computer.
10TX audio links VIDEO
LINK
The ALIF units support two way AUDIO
LINKS
stereo digital sound so that you can
use a remote microphone as well as
USB LINK
speakers. ALIF TX
LINK
To make audio links
SERIAL ALIF RX
1 Connect an audio link cable LINK
POWER
between the LINE OUT socket on IN
the TX unit rear panel and the
speaker output socket of the host
computer. [ALIF2000]
1 Connect an audio link cable
[ALIF1000]
between the IN socket on DV
I-D-1
the TX unit rear panel and the
speaker output socket of the
host computer.
LIN
EO AU
UT X
LIN
EI
N IN
CO Speaker link from
MP
Speaker link from UT host computer OU
ER T
host computer
Microphone link
to host computer
Microphone link
to host computer 2 [Where a microphone is
to be used]: Connect a
second audio link cable
2 [Where a microphone is to be used]: Connect a second audio link cable
between the OUT socket
between the LINE IN socket on the TX unit rear panel and the Line In socket
on the TX unit rear panel
of the host computer.
and the Line In socket of
the host computer.
11TX USB link VIDEO TX AUX port VIDEO
LINK
LINK
ALIF units act as USB 2.0 hubs AUDIO The AUX port is an RS232 serial AUDIO
LINKS LINKS
and so can provide four sockets port that allows extension of RS232
at the RX unit with only a single signals up to a baud rate of 115200. USB
USB LINK
connection at the TX unit. ALIF TX LINK The port has software flow control, ALIF TX
LINK LINK
but no hardware flow control.
To make a USB link ALIF RX ALIF RX
SERIAL SERIAL
1 Connect the type B connector LINK LINK
POWER POWER
of the supplied USB cable to the IN IN
USB port on the TX unit rear
panel. To connect the AUX port
1 Ensure that power is removed from the ALIF unit.
2 Connect a suitable serial ‘null-modem’ cable (see Appendix D for pin-out)
between a vacant serial port on your computer and the AUX port on the
OP
TIO
right hand side of the ALIF rear panel.
NS
1
2
1
2
USB link from AU
host computer X
Serial (null-modem) link
from your computer
2 Connect the type A connector of the cable to a vacant USB socket on the
host computer.
12TX power in VIDEO
LINK
Each ALIF unit is supplied with an AUDIO
LINKS
appropriate power adapter. When
all other connections have been
made, connect and switch on the
USB
LINK
ALIF TX LINK Power adapter identification
power adapter unit. Due to the increased power requirements of the ALIF2000 series, these models
ALIF RX are supplied with larger capacity (20W) power adapters. The standard 12.5W
Note: Please see Power adapter SERIAL
identification shown opposite.
LINK
POWER
and higher power 20W adapters use identical housings, so within installations
IN where both types are used, you need to double check the underside labels to
To apply power in differentiate the two types:
1 Attach the output lead from the power adapter to the 5V socket on the rear
panel of the unit. 12.5W model 20W model
(for ALIF1000) (for ALIF2000)
Model: SA06-xxxxx-V Model: SA06-xxxxx-V
Input: 100-240V Input: 100-240V
Output: 5V 2.5A (12.5W Max.) Output: 5V 4A (20W Max.)
IN
US DOO
EO R
NL
Y
OP
T
1
Note: Ensure that
Option switches xxx
6-x V
x-V
(12
.5W
Ma
x.)
5V SA0 -240 2.5A
1 and 2 are both del: t: 100 5V
o
2.5 M pu ut:
A 1 In utp
O
in the ‘off’ (up)
Power lead from position to enable
power adapter normal operation
of the unit. Power adapter
2 Connect the IEC connector of the supplied country-specific power lead to
No damage will be caused if the 12.5W adapter and the 20W adapter are used
the socket of the power adapter.
in place of each other on either of the ALIF1000 or ALIF2000 units. However,
3 Connect the power lead to a nearby main supply socket. correct operation of ALIF2000 units can only be guaranteed if a 20W power
Note: Both the unit and its power supply generate heat when in operation and adapter is used. Always ensure that only ADDER 5-volt power supplies are used
will become warm to the touch. Do not enclose them or place them in locations to power the units.
where air cannot circulate to cool the equipment. Do not operate the equipment
in ambient temperatures exceeding 40oC. Do not place the products in contact
with equipment whose surface temperature exceeds 40oC.
13TX/RX network link VIDEO VIDEO
LINK DISPLAY
ALIF units can be either connected directly to each other or via a Gigabit Ethernet AUDIO MIC &
LINKS SPEAKERS
network. Additionally, ALIF2000 units can be networked by fibre optic links.
For direct links over Ethernet cable, the length of cable should not exceed 100 USB LINK
LINK USB
ALIF TX ALIF RX
metres (328 feet). Network cables used for connections may be category 5, 5e, 6 or LINK DEVICES
7 twisted-pair cable. ALIF TX units have an autosensing capability on their network
SERIAL SERIAL
interfaces, so for direct point-to-point connections, no ‘crossover’ Ethernet cable is LINK LINK
required. POWER POWER
IN IN
For direct links over fibre optic links, varying distances can be achieved depending
on the module and cable types used. Please refer to the table in Appendix E for
detailed information. The fibre cable(s) must be crossover cable(s). Please see Appendix A for important tips about networking ALIF units.
To link ALIF units using Gigabit Ethernet
1 Connect a CAT 5, 5e, 6, or 7 cable to the socket on the front panel of the ALIF
unit. To link ALIF units using fibre optic links (ALIF2000 only)
1 Insert the optional fibre module (SFP-MM-LC or SFP-SM-LC) into the
aperture on the ALIF2000 front panel:
CAT 5, 5e, 6, or 7 link either
directly from the other ALIF
unit or from a Gigabit Ethernet Optional fibre module
switch
ww
w.a
dder
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m
2 Connect the transmit and receive fibre links to the fibre module and close
2 Connect the other end of the cable either to the other ALIF unit or to a the latch over the link connectors to lock them into place.
Gigabit Ethernet switch, as appropriate.
3 [For connections via a network] repeat steps 1 and 2 for the other ALIF unit.
[ALIF2000] When making Gigabit Ethernet links
Transmit and receive
AdderLink www.adder.com
fibre links
NET SER AUD USB DVI PWR
Reserved for Use only the right hand port
future use for Gigabit Ethernet links 3 Connect the other end of the fibre links either to the other AdderLink
Infinity unit or to a fibre-equipped Gigabit Ethernet switch, as appropriate.
14RX video display VIDEO
DISPLAY
ALIF units support DVI digital MIC &
ALIF TX SPEAKERS [ALIF2000 when using two single link
video signals and so use DVI-D
DVI-D displays] Connect an additional
video connectors throughout.
LINK ALIF RX
USB video input from the secondary video
• ALIF1000 models can support DEVICES
port of the computer system using
a single high resolution DVI-D the supplied secondary DVI-D link
SERIAL
video display at pixel clocks up LINK cable. DV
I- D-2
to 165MHz (equating to an POWER
IN
example display mode of 1920
x 1200 at 60Hz refresh). DV
I- D-1
• ALIF2000 models can simultaneously support up to two high resolution US
ER
video displays at pixel clocks up to 165MHz; or can alternatively support one CO
NS
very high resolution video display (at pixel clocks up to 330MHz). OL
E
To connect a digital DVI video display
1 Connect the lead from the video display to the DVI-D socket on the rear
panel of the ALIF unit.
To secondary video display
[ALIF1000]
To primary video display
DV
I-D
[ALIF2000 when using one very high
resolution DVI-D dual link display]
To video display Use a DVI-D Dual Link cable (such DV
I-D-2
as Adder part: VSCD3) to connect
the video display to the DVI-D-1
connector of the ALIF2000 RX unit. DV
I-D-1
A dual link cable must also be used at
US
the TX unit. ER
CO
NS
When using dual link on DVI-D-1, the OL
E
DVI-D-2 port will be disabled.
If DVI-D-2 is already being used, then
it must be disconnected before dual
link operation can occur on DVI-D-1.
VSCD3 cable to primary
video display
15RX microphone & speakers VIDEO
DISPLAY
The ALIF unit can support a MIC &
ALIF TX SPEAKERS
microphone as well as speakers
providing the necessary
LINK USB
connections have been made LINK ALIF RX DEVICES
between the ALIF TX unit and the
host computer.
SERIAL
LINK
POWER
IN
To connect a microphone (or line in) and/or speakers [ALIF2000]
1 Connect the lead from a mono microphone or, alternatively, a line in
connection from an audio device to the 3.5mm socket labelled LINE IN/MIC IN 1 Connect the lead from a mono
on the rear panel. microphone to the 3.5mm socket
2 Connect the lead from stereo speakers to the 3.5mm socket labelled LINE labelled on the rear panel. 1
OUT on the rear panel.
[ALIF1000] AU
X
LIN
E Link in from
MI IN/
CI microphone
N LI
NE
OU
T
CO
NS
Connection from OL
E
microphone or line in
from audio device Link out to
speakers
2 Connect the lead from stereo speakers to
Link out to speakers the 3.5mm socket labelled on the rear
panel.
3 Once the unit has been fully connected
and powered on, access the RX System
3 Once the unit has been fully connected and powered on, access the RX
Configuration page to check that the
System Configuration page to check that the Audio Input Type setting
Audio Input Type setting matches the
matches the connection that you have made to the port: line, mic or mic
connection that you have made to the
boost (the latter provides +20dB gain).
port: mic or mic boost (the latter provides
+20dB gain).
16RX USB devices VIDEO RX AUX port VIDEO
DISPLAY
DISPLAY
The ALIF RX unit has four USB MIC & The AUX port is an RS232 serial MIC &
ALIF TX SPEAKERS ALIF TX SPEAKERS
ports to which peripherals may port that allows extension of
be connected. The ports are USB
RS232 signals up to a baud rate USB
LINK
LINK ALIF RX LINK ALIF RX
interchangeable. To connect DEVICES of 115200. The port has software DEVICES
more than four peripherals, one flow control, but no hardware
or more USB hubs may be used. SERIAL flow control. SERIAL
LINK LINK
The total current that may be POWER POWER
drawn from the USB ports is IN IN
1.2A, which should be sufficient To connect the AUX port
for a keyboard, mouse (no more than 100mA each) and any two other devices 1 Ensure that power is removed from the ALIF unit.
(500mA maximum each). If more power for USB devices is required, use a
2 Connect a suitable serial ‘null-modem’ cable (see Appendix D for pin-out)
powered USB hub.
between the AUX port on the right hand side of the ALIF rear panel and
To connect a USB device your remote serial device.
1 Connect the lead from the device to
any of the four USB sockets on the rear
panel of the ALIF unit.
/
LIN
EO
UT
AU
X
LIN
E
MI I
CI
US Serial (null-modem) link
ER
CO from your computer
NS
OL
E
Connection from USB device
Supported USB Devices
USB devices are supported using True Emulation technology. This means that
the signals of each USB peripheral are emulated to the computer so that full
functionality is available, subject to the following limitations:
• Keyboards, mice and other HID devices are supported.
• Storage devices (i.e. flash drives, USB hard disks, CD-ROM drives) are
supported, but they may operate more slowly than with a direct connection.
• Isochronous devices (including microphones, speakers, webcams and TV
receivers) are not currently supported.
• Many other devices (such as printers, scanners, serial adapters and specialist
USB devices) will work, but due to the huge variety of devices available,
successful operation cannot be guaranteed. 17RX power in VIDEO
DISPLAY
Each ALIF unit is supplied with an MIC &
ALIF TX SPEAKERS
appropriate power adapter. When
all other connections have been
USB
made, connect and switch on the LINK ALIF RX DEVICES Power adapter identification
power adapter unit. Due to the increased power requirements of the ALIF2000 series, these models
SERIAL are supplied with larger capacity (20W) power adapters. The standard 12.5W
Note: Please see Power adapter LINK
identification shown opposite. POWER and higher power 20W adapters use identical housings, so within installations
IN where both types are used, you need to double check the underside labels to
To apply power in differentiate the two types:
1 Attach the output lead from the power adapter to the 5V socket on the rear
panel of the unit. 12.5W model 20W model
2 Connect the IEC connector of the supplied country-specific power lead to (for ALIF1000) (for ALIF2000)
the socket of the power adapter. Model: SA06-xxxxx-V Model: SA06-xxxxx-V
Input: 100-240V Input: 100-240V
Output: 5V 2.5A (12.5W Max.) Output: 5V 4A (20W Max.)
IN
US DOO
EO R
NL ax.)
Y xxx
x-V
.5W
M
OP 6-x V (12
T SA0 -240 2.5A
del: 00
Mo put: 1 ut: 5V
In utp
O
1
Note: Ensure that
Option switches
5V
2.5 1 and 2 are both Power adapter
A 1
in the ‘off’ (up)
Power lead from position to enable
power adapter normal operation
of the unit.
No damage will be caused if the 12.5W adapter and the 20W adapter are used
in place of each other on either of the ALIF1000 or ALIF2000 units. However,
3 Connect the power lead to a nearby main supply socket. correct operation of ALIF2000 units can only be guaranteed if a 20W power
adapter is used. Always ensure that only ADDER 5-volt power supplies are used
Note: Both the unit and its power supply generate heat when in operation and to power the units.
will become warm to the touch. Do not enclose them or place them in locations
where air cannot circulate to cool the equipment. Do not operate the equipment
in ambient temperatures exceeding 40oC. Do not place the products in contact
with equipment whose surface temperature exceeds 40oC.
18Configuration
Initial configuration
ALIF units are designed to be as flexible as possible and this principle extends Manual factory reset
also to their configuration. A factory reset returns an ALIF TX or RX unit to its default configuration. You
can perform factory resets using the AdderLink Infinity browser-based
Direct linking configuration utility or by using this direct manual method.
Where an ALIF TX and an ALIF RX are directly linked to each other, no
configuration action is required, provided that they have their factory default To perform a manual factory reset
settings in place. If the standard settings have been changed in a previous 1 Remove power from the ALIF unit.
installation, you merely need to perform a factory reset on each unit. 2 Use a narrow implement (e.g. a straightened-out paper clip) to press-and-
hold the recessed reset button on the front panel. With the reset button
Networked linking still pressed, re-apply power to the unit and then release the reset button.
Where ALIF units are connected via networked links, you can either configure
them individually, or configure them collectively using an AIM server:
• Configuring networked ALIF units individually - You need to specify the Ad
der
network addresses of the ALIF units so that they can locate each other. This Lin
k
is done by running the AdderLink Infinity browser-based configuration
utility on a computer system linked to the same network as the ALIF units.
• Configuring ALIF units collectively - The AdderLink Infinity Management
(AIM) server allows you to configure, control and coordinate any number of ww
w.a
ALIF transmitters and receivers from a single application. dde
r.co
m
IMPORTANT: When using AIM to configure ALIF units, it is vital that all ALIF
units that you wish to locate and control are set to their factory default
settings. Otherwise they will not be located by the AIM server. If necessary,
perform a factory reset on each ALIF unit. [ALIF1000] [ALIF2000]
Use a straightened-out paper clip to press the reset button
Please also see Appendix A - Tips for success when networking ALIF units while powering on the unit
After roughly eight seconds, when the factory reset has completed, five
of the front panel indicators will flash for a period of three seconds to
indicate a successful reset operation.
19AdderLink Infinity browser-based configuration utility
The browser-based configuration utility within all TX and RX units requires To access the browser-based configuration utility
a network connection between the ALIF unit and a computer on the same 1 Temporarily connect the ALIF unit and a computer via a network, as
network. The configuration utility allows you to perform all of the following discussed opposite.
functions: 2 Run a web browser on your computer and enter the IP address of the ALIF
• View/edit the IP network address and netmask, unit, e.g. http://169.254.1.33
• Configure separate IP network addresses for video, audio and USB, The default settings are as follows:
• Configure multicast settings (on RX units), • TX units - IP address: 169.254.1.33
• Configure video bandwidth settings (on TX units), • RX units - IP address: 169.254.1.32
• View the current video output (on TX units), Where the address of a unit is not known perform a manual factory reset
• Perform a firmware upgrade, to restore the default address.
• Perform a factory reset. The opening page of the ALIF configuration utility will be displayed and you
can now use on-screen help for details of the functions that you wish to
To connect a computer system for browser-based configuration perform.
1 Connect a suitable network cable to the Ethernet port on the front panel of
the ALIF unit.
Link from Ethernet
[ALIF2000] Note: Use the
ww
switch
w.a
dder right hand Ethernet port.
.co
m
2 Connect the other end of the link cable to your network.
3 Similarly, link your computer to the same network. Note: A Gigabit
connection is not essential for configuration purposes.
4 If not already switched on, power up your computer and the ALIF unit. You
are now ready to use the browser-based configuration utility.
20Performing an upgrade
ALIF units are flash upgradeable using the method outlined here. However, for
larger installations we recommend that you use the AdderLink Infinity Manager
(AIM) to upgrade multiple ALIF units. When using the method below, the ALIF
unit will be upgraded in sequence.
Warning: During the upgrade process, ensure that power is not
interrupted as this may leave the unit in an inoperable state.
To upgrade a single unit via network link
1 Download the latest upgrade file from the Adder Technology website.
Note: There are separate upgrade files for TX and RX units.
2 Temporarily connect the ALIF unit and a computer via a network (see
AdderLink Infinity browser-based configuration utility section for
details).
3 Run a web browser on your computer and enter the IP address of the ALIF
unit to be upgraded.
4 Click the Firmware Upgrade link. Within the Firmware Upgrade page, click
the Choose File button. In the subsequent file dialog, locate the downloaded
upgrade file - check that the file is correct for the unit being upgraded.
5 Click the Upgrade Now button. A progress bar will be displayed (however,
if your screen is connected to the unit being upgraded then video may
be interrupted) and the indicators on the front panel will flash while the
upgrade is in progress.
6 The indicators should stop flashing in less than one minute, after which the
unit will automatically reboot itself. The upgrade process is complete.
Finding the latest upgrade files
Firmware files for the ALIF units are available from the Technical Support
> Updates section of the Adder Technology website (www.adder.com).
21Operation
In operation, many ALIF installations require no intervention once configured.
The TX and RX units take care of all connection control behind the scenes so
that you can continue to work unhindered.
Front panel indicators
The six front panel indicators on each unit provide a useful guide to operation:
NET SER AUD USB DVI PWR
Indicators
These six indicators clearly show the key aspects of operation:
• NET On when valid network link is present. Flashes when the unit is in error.
• SER On when the AUX (serial) port is enabled and active.
• AUD On when audio is enabled and active.
• USB On when USB is enabled and active.
• DVI On when either or both DVI Video channels are enabled.
• PWR Power indicator.
22Further information
This chapter contains a variety of information, including the following: Getting assistance
• Getting assistance - see right If you are still experiencing problems after checking the information contained
• Appendix A - Tips for success when networking ALIF units within this guide, then we provide a number of other solutions:
• Appendix B - Troubleshooting • Online solutions and updates – www.adder.com/support
• Appendix C - Glossary Check the Support section of the adder.com website for the latest solutions
• Appendix D - RS232 ‘null-modem’ cable, and firmware updates.
General specifications.
• Adder Forum – forum.adder.com
• Appendix E - Fibre modules and cables (ALIF 2000 units only)
Use our forum to access FAQs and discussions.
• Appendix F - Additional features available on ALIF2002T
• Safety information • Technical support – www.adder.com/contact-support-form
• Warranty For technical support, use the contact form in the Support section of the
• Radio frequency energy statements adder.com website - your regional office will then get in contact with you.
23Appendix A
Tips for success when networking ALIF units Creating an efficient network layout
ALIF units use multiple strategies to minimise the amount of data that they send Network layout is vital. The use of IGMP snooping also introduces certain
across networks. However, data overheads can be quite high, particularly when constraints, so take heed:
very high resolution video is being transferred, so it is important to take steps to • Keep it flat. Use a basic line-cascade structure rather than a pyramid or tree
maximise network efficiency and help minimise data output. The tips given in arrangement.
this section have been proven to produce very beneficial results.
• Keep the distances between the switches as short as possible.
Summary of steps • Ensure sufficient bandwidth between switches to eliminate bottlenecks.
• Choose the right kind of switch. • Where the AIM server is used to administer multiple ALIF transceivers,
• Create an efficient network layout. ensure the AIM server and all ALIF units reside in the same subnet.
• Do not use VGA to DVI converters, instead replace VGA video cards in older
• Configure the switches and devices correctly.
systems with suitable DVI replacements. Converters cause ALIF TX units to
Choosing the right switch massively increase data output.
Layer 2 switches are what bind all of the hosts together in the subnet. However, • Wherever possible, create a private network.
they are all not created equally, so choose carefully. In particular look for the
following: The recommended layout
The layout shown below has been found to provide the most efficient network
• Gigabit (1000Mbps) or faster Ethernet ports, layout for rapid throughput when using IGMP snooping:
• Support for IGMP v2 (or v3) snooping,
• Support for Jumbo frames up to 9216-byte size, ALIF RX Layer 3 ALIF TX
• High bandwidth connections between switches, preferably Fibre Channel. Switch
ALIF RX (Querier) ALIF RX
• Look for switches that perform their most onerous tasks (e.g. IGMP
snooping) using multiple dedicated processors (ASICS).
20GB link
• Ensure the maximum number of concurrent ‘snoopable groups’ the switch
can handle meets or exceeds the number of ALIF transmitters that will be ALIF RX ALIF TX
used to create multicast groups. Layer 2 Switch
ALIF RX ALIF RX
• Check the throughput of the switch: Full duplex, 1Gbps up- and down-
stream speeds per port. 10GB link
• Use the same switch make and model throughout a single subnet. ALIF RX ALIF RX
• You also need a Layer 3 switch. Ensure that it can operate efficiently as an Layer 2 Switch
IGMP Querier. ALIF TX ALIF RX
1GB links
Layer 2 (and Layer 3) switches known to work • Use no more than two cascade levels.
• Cisco 2960 • Extreme Networks X480 • H3C 5120 • Ensure high bandwidth between the two L2 switches and very high
• Cisco 3750 • HP Procurve 2810 • HuaWei Quidway bandwidth between the top L2 and the L3. Typically 10GB and 20GB,
• Cisco 4500 • HP Procurve 2910 s5328c-E1 (Layer 3) respectively for 48 port L2 switches.
• Cisco 6500 continued
For the latest list of switches known to work
with ALIF and setup instructions for them,
please go to www.adder.com 24Configuring the switches and devices
The layout is vital but so too is the configuration:
• Enable IGMP Snooping on all L2 switches.
• Ensure that IGMP Fast-Leave is enabled on all switches with ALIF units
connected directly to them.
• Enable the L3 switch as an IGMP Querier.
• Enable Spanning Tree Protocol (STP) on all switches and importantly also
enable portfast (only) on all switch ports that have ALIF units connected.
• If any hosts will use any video resolutions using 2048 horizontal pixels (e.g.
2048 x 1152), ensure that Jumbo Frames are enabled on all switches.
• Choose an appropriate forwarding mode on all switches. Use Cut-through
if available, otherwise Store and forward.
• Optimise the settings on the ALIF transmitters:
• If colour quality is important, then leave Colourdepth at 24 bits and
adjust other controls,
• If moving video images are being shown frequently, then leave Frame
Skipping at a low percentage and instead reduce the Peak bandwidth
limiter and Colourdepth.
• Where screens are quite static, try increasing the Background Refresh
interval and/or increasing the Frame skipping percentage setting.
Make changes to the ALIF transmitters one at a time, in small steps, and
view typical video images so that you can attribute positive or negative
results to the appropriate control.
• Ensure that all ALIF units are fully updated to the latest firmware version (at
least v2.1).
25Appendix B
Troubleshooting
Problem: The video image of the ALIF receiver shows horizontal lines Remedies:
across the screen. • Ensure that IGMP snooping is enabled on all switches within the subnet.
This issue is known as Blinding because the resulting video image looks as
• Where each ALIF unit is connected as the sole device on a port connection
though you’re viewing it through a venetian blind. to a switch, enable IGMP Fast-Leave (aka Immediate Leave) to reduce
When video is transmitted by ALIF units, the various lines of each screen are unnecessary processing on each switch.
divided up and transmitted as separate data packets. If the reception of those • Check the video resolution(s) being fed into the ALIF transmitters. If
packets is disturbed, then blinding is caused. The lines are displayed in place of resolutions using 2048 horizontal pixels are unavoidable then ensure that
the missing video data packets. Jumbo frames are enabled on all switches.
There are several possible causes for the loss of data packets: • Check the forwarding mode on the switches. If Store and forward is being
• Incorrect switch configuration. The problem could be caused by multicast used, try selecting Cut-through as this mode causes reduced latency on
flooding, which causes unnecessary network traffic. This is what IGMP lesser switch designs.
snooping is designed to combat, however, there can be numerous causes of • Ensure that one device within the subnet is correctly configured as an IGMP
the flooding. Querier, usually a layer 3 switch or multicast router.
• Speed/memory bandwidth issues within one or more switches. The speed • Ensure that the firmware in every ALIF unit is version 2.1 or greater.
and capabilities of different switch models varies greatly. If a switch cannot
• Try adjusting the transmitter settings on each ALIF to make the output data
maintain pace with the quantity of data being sent through it, then it will
stream as efficient as possible. See ALIF transmitter video settings for
inevitably start dropping packets.
details.
• One or more ALIF units may be outputting Jumbo frames due to the video
resolution (2048 horizontal pixels) being used. If jumbo frames are output continued
by an ALIF unit, but the network switches have not been configured to use
jumbo frames, the switches will attempt to break the large packets down
into standard packets. This process introduces a certain latency and could be
a cause for dropped packets.
• One or more ALIF units may be using an old firmware version. Firmware
versions prior to v2.1 exhibited an issue with the timing of IGMP join and
leave commands that caused multicast flooding in certain configurations.
26Problem: The mouse pointer of the ALIF receiver is slow or sluggish Problem: The audio output of the ALIF receiver sounds like a scratched
when moved across the screen. record.
This issue is often related to either using dithering on the video output of one or This issue is called Audio crackle and is a symptom of the same problem that
more transmitting computers or using VGA-to-DVI video converters. produces blinding (see previous page). The issue is related to missing data
Dithering is used to improve the perceived quality and colour depth of images packets.
by diffusing or altering the colour of pixels between video frames. This practice
Remedies:
is commonly used on Apple Mac computers using ATI or Nvidia graphics cards.
VGAto-DVI converters unwittingly produce a similar issue by creating high levels As per blinding discussed previously.
of pixel background noise.
Problem: AIM cannot locate working ALIF units.
ALIF units attempt to considerably reduce network traffic by transmitting
There are a few possible causes:
only the pixels that change between successive video frames. When dithering
is enabled and/or VGA-to-DVI converters are used, this can have the effect • The ALIF units must be reset back to their zero config IP addresses for AIM
of changing almost every pixel between each frame, thus forcing the ALIF discovery. If you have a working network of ALIF’s without AIM and then
transmitter to send the whole of every frame: resulting in greatly increased add AIM to the network AIM will not discover the ALIFs until they are reset
network traffic and what’s perceived as sluggish performance. to the zero config IP addresses.
• This could be caused by Layer 2 Cisco switches that have Spanning Tree
Remedies: Protocol (STP) enabled but do not also have portfast enabled on the ports
• Linux PCs to which ALIF units are connected. Without portfast enabled, ALIF units will
Check the video settings on the PC. If the Dither video box option is all be assigned the same zero config IP address at reboot and AIM will only
enabled, disable it. acquire them one at a time on a random basis.
• Apple Mac with Nvidia graphics You can easily tell whether portfast is enabled on a switch that is running
Use the Adder utility for Mac’s – Contact technical support. STP: When you plug the link cable from a working ALIF unit into the switch
port, check how long it takes for the port indicator to change from orange
• Apple Mac with ATI graphics
to green. If it takes roughly one second, portfast is on; if it takes roughly
Use the ALIF 2000 series unit with Magic Eye dither removal feature. thirty seconds then portfast is disabled.
• Windows PCs
Remedies:
If you suspect these issues with PC’s, contact technical support for
assistance. • Ensure that the ALIF units and the AIM server are located within the same
subnet. AIM cannot cross subnet boundaries.
• Replace old VGA adapters on host computers with DVI video cards.
• Manually reset the ALIF units to their zero config IP addresses.
• Enable portfast on all switch ports that have ALIF units attached to them
or try temporarily disabling STP on the switches while AIM is attempting to
locate ALIF units.
27Appendix C
Glossary IGMP Snooping Jumbo frames (Jumbo packets)
The IGMP messages are effective but only operate Since its commercial introduction in 1980, the
at layer 2 - intended for routers to determine Ethernet standard has been successfully extended
Internet Group Management Protocol whether multicast data should enter a subnet.
Where an ALIF transmitter is required to stream and adapted to keep pace with the ever improving
A relatively recent development has taken place capabilities of computer systems. The achievable
video to two or more receivers, multicasting is the
within the switches that glue together all of the data rates, for instance, have risen in ten-fold leaps
method used.
hosts within each subnet: IGMP Snooping. IGMP from the original 10Mbit/s to a current maximum of
Multicasting involves the delivery of identical data snooping means these layer 2 devices now have 100Gbit/s.
to multiple receivers simultaneously without the the ability to take a peek at the IGMP messages. As
need to maintain individual links. When multicast While data speeds have increased massively, the
a result, the switches can then determine exactly standard defining the number of bytes (known
data packets enter a subnet, the natural reaction of which of their own hosts have requested to receive
the switches that bind all the hosts together within as the Payload) placed into each data packet has
a multicast – and only pass on multicast data to
the subnet, is to spread the multicast data to all of remained resolutely stuck at its original level of
those hosts. 1500 bytes. This standard was set during the
their ports. This is referred to as Multicast flooding
and means that the hosts (or at least their network IGMP Querier original speed era (10Mbits/s) and offered the best
interfaces) are required to process plenty of data that When IGMP is used, each subnet requires one compromise at that speed between the time taken
they didn’t request. IGMP offers a partial solution. Layer 3 switch to act as a Querier. In this lead to process each packet and the time required to
role, the switch periodically sends out IGMP resend faulty packets due to transmission errors.
The Internet Group Management Protocol (IGMP) is
designed to prevent multicast flooding by allowing Query messages and in response all hosts report But now networks are much faster and files/data
Layer 3 switches to check whether host computers which multicast streams they wish to receive. The streams are much larger; so time for a change?
within their care are interested in receiving particular Querier device and all snooping Layer 2 switches, Unfortunately, a wholesale change to the packet
multicast transmissions. They can then direct multicast then update their lists accordingly (the lists are size is not straightforward as it is a fundamental
data only to those points that require it and can shut also updated when Join Group and Leave Group standard and changing it would mean a loss of
off a multicast stream if the subnet has no recipients. (IGMPv2) messages are received). backward compatibility with older systems.
There are currently three IGMP versions: 1, 2 and 3, Larger payload options have been around for a
IGMP Fast-Leave (aka Immediate Leave)
with each version building upon the capabilities of while, however, they have often been vendor
When a device/host no longer wishes to receive a
the previous one: specific and at present they remain outside the
multicast transmission, it can issue an IGMP Leave
official standard. There is, however, increased
• IGMPv1 allows host computers to opt into Group message as mentioned above. This causes
consensus on an optional ‘Jumbo’ payload size
a multicast transmission using a Join Group the switch to issue an IGMP Group-Specific Query
of 9000 bytes and this is fully supported by the
message, it is then incumbent on the router to message on the port (that the Leave Group was
AdderLink Infinity (ALIF) units.
discover when they no longer wish to receive; received on) to check no other receivers exist on
this is achieved by polling them (see IGMP that connection that wish to remain a part of the Jumbo frames (or Jumbo packets) offer advantages
Querier below) until they no longer respond. multicast. This process has a cost in terms of switch for ALIF units when transmitting certain high
processor activity and time. resolution video signals across a network. This is
• IGMPv2 includes the means for hosts to opt out
because the increased data in each packet reduces
as well as in, using a Leave Group message. Where ALIF units are connected directly to the
the number of packets that need to be transferred
• IGMPv3 encompasses the abilities of versions switch (with no other devices on the same port)
and dealt with - thus reducing latency times.
1 and 2 but also adds the ability for hosts to then enabling IGMP Fast-Leave mode means
that switches can immediately remove receivers The main problem is that for jumbo frames to be
specify particular sources of multicast data. possible on a network, all of the devices on the
without going through a full checking procedure.
AdderLink Infinity units make use of IGMPv2 network must support them.
Where multiple units are regularly joining and
when performing multicasts to ensure that no
leaving multicasts, this can speed up performance
unnecessary congestion is caused.
considerably. 28Spanning Tree Protocol (STP) ALIF transmitter video settings
In order to build a robust network, it is necessary Each ALIF transmitter includes controls to help you
to include certain levels of redundancy within the customise how video data is transmitted. When
interconnections between switches. This will help to configured correctly for the application, these can
ensure that a failure of one link does not lead to a help to increase data efficiency.
complete failure of the whole network.
Background Refresh Peak Bandwidth Limiter
The danger of multiple links is that data packets,
The transmitter sends portions of the video image The transmitter will employ a ‘best effort’ strategy
especially multicast packets, become involved in
only when they change. In order to give the best in sending video and other data over the IP
continual loops as neighbouring switches use the
user experience, the transmitter also sends the network. This means it will use as much of the
duplicated links to send and resend them to each
whole video image, at a lower frame rate, in the available network bandwidth as necessary to
other.
background. The Background Refresh parameter achieve optimal data quality, although typically
To prevent such bridging loops from occurring, the controls the rate at which this background image the transmitter will use considerably less than the
Spanning Tree Protocol (STP), operating at layer is sent. The default value is ‘every 32 frames’, maximum available.
2, is used within each switch. STP encourages all meaning that a full frame is sent in the background In order to prevent the transmitter from ‘hogging’
switches to communicate and learn about each every 32 frames. Reducing this to ‘every 64 frames’ too much of the network capacity, you can reduce
other. It prevents bridging loops by blocking newly or more will reduce the amount of bandwidth this setting to place a tighter limit on the maximum
discovered links until it can discover the nature of that the transmitter consumes. On a high-traffic bandwidth permissible to the transmitter.
the link: is it a new host or a new switch? network this parameter should be reduced in this
The problem with this is that the discovery process way to improve overall system performance. Frame Skipping
can take up to 50 seconds before the block is lifted, Frame Skipping involves ‘missing out’ video frames
causing problematic timeouts. Colour Depth between those captured by the transmitter. For
This parameter determines the number of bits video sources that update only infrequently or
The answer to this issue is to enable the portfast
required to define the colour of every pixel. for those that update very frequently but where
variable for all host links on a switch. This will
The maximum (and default) value is ‘24 bit’. By high fidelity is not required, frame skipping is a
cause any new connection to go immediately into
reducing the value you can significantly reduce good strategy for reducing the overall bandwidth
forwarding mode. However, take particular care
bandwidth consumption, at the cost of video colour consumed by the system.
not to enable portfast on any switch to switch
reproduction.
connections as this will result in bridging loops.
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