ADDER AdderLink XD522 User manual

AdderLink XD522
User Guide
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Contents
Introduction
Video support ..............................................................................3
USB support .................................................................................4
Audio support..............................................................................4
Serial communication support....................................................4
Tips for achieving good quality links .........................................5
AdderLink XD522 unit features..................................................6
What’s in the box ........................................................................7
What you may additionally need ...............................................8
Installation
Mounting .....................................................................................9
Connections ...............................................................................10
Transmitter............................................................................10
Video connections............................................................10
USB connections ...............................................................10
Audio connections ...........................................................11
Serial connection..............................................................12
Link connections...............................................................12
Power connection ............................................................13
Receiver .................................................................................14
Video display connections ...............................................14
USB connections ...............................................................15
Audio connections ...........................................................16
Serial connection..............................................................18
Link connections...............................................................18
Power connection ............................................................19
Configuration
Performing an upgrade.............................................................20
Choosing the audio input mode...............................................20
Operation
Front panel indicators ...............................................................21
Operating Modes.......................................................................21
Using hotkeys.............................................................................22
The Dashboard......................................................................22
Further information
Getting assistance......................................................................23
General specifications ...............................................................23
Appendix A - Options port pin-out ..........................................24
Appendix B - EDID management..............................................25
Appendix C - Tested video resolutions ...................................26
Appendix D - Link cable interference protection ..................27
Warranty ....................................................................................28
Safety information ....................................................................28
Radio Frequency Energy............................................................29
Index

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Introduction
AdderLink XD522 is a high performance KVM (Keyboard,
Video, Mouse) extender that enables you to locate your
critical computing hardware in a secure and temperature
controlled environment away from the user work station
whilst maintaining the same user desktop experience.
Using either one or two CATx cable links you can achieve
separation distances of up to 150 meters/492 feet between
the AdderLink XD522 transmitter and receiver units. At
such distances the units can transfer high resolution video
of up to 1080p quality, USB 2.0 (low/full and Hi-Speed),
digital and analog audio plus RS232 serial.
The units actively monitor the link quality and at link
distances of less than 100 meters/328 feet, High Rate
Mode* becomes possible; providing a second video port
and more than twice the video bandwidth capability.
In High Rate Mode, there is more than enough video
bandwidth to support a single very high resolution 2560 x
1600 display or two 1920 x 1200 displays (@ 60Hz refresh).
* subject to link cable quality
AdderLink XD522
Transmitter
AdderLink XD522
Receiver
Main CATx link carries:
Video
Keyboard/mouse True USB Emulation
Audio
RS232 Serial Optional CATx link
carries:
Hi-Speed USB only

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Video support
AdderLink XD522 works hard to transfer the highest possible video bandwidth
between the transmitter and receiver units. To allow for the differing grades
of CATx links used to join the transmitter and receiver, AdderLink XD522
periodically checks the quality of link A (the primary cable joining the transmitter
and receiver). In this way it can accurately determine which of two video transfer
modes can be supported. Please see Tips for achieving good quality links for
further information. Please also see Tested video resolutions.
On the front panel, the HR indicator will illuminate when High Rate mode is
available, whereupon the second video port is enabled and the total available
bandwidth for video signals is more than doubled.
The manner in which bandwidth is made available to the two video ports differs
between the Low and High Rate modes, as described here:
EDID management
AdderLink XD522 intelligently manages the EDID (Extended Display Identification
Data) information that each video display provides (detailing their supported
resolutions) before reporting them to the host PC. In this way AdderLink XD522
can mask the resolution modes that cannot be supported within the available
bandwidth. The display attached to Video port 1 will always be given priority.
If sufficient bandwidth does not exist for the modes declared by the second
display, then it will not be reported to the host PC. Please see Appendix B for
details about how the EDID details supplied by each display are managed.
High rate mode
This diagram indicates how the total bandwidth of the high rate mode can be shared
between the two video ports.
Video port 1 (which has priority) may take up 280 MegaPixels per second (of the total 308 Mpix/sec
bandwidth); while port 2 can use a maximum of 154 MPix/sec (subject to port 1 using no more than
154 MPix/sec of the available total bandwidth).
For example:
A single WQXGA
mode display could
consume nearly
all of the port 1
bandwidth alone,
or...
... two WUXGA
mode displays could
share the total
evenly.
Note: The example modes shown here are for illustrative purposes and are based
upon average requirements for current video displays. Video displays from some
manufacturers may consume more signal bandwidth than those shown here.
* All approximate video mode bandwidth figures are quoted with reduced
blanking.
During low rate mode, the secondary video
port is disabled and a total bandwidth of 148.5
MegaPixels per second is made available to the
primary video port. This is more than enough to
support a single 1080P video display.
Low rate mode

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(A) TOSLINK connector with mini-TOSLINK converter
(B) Mini-TOSLINK connector
(C) Standard analog 3.5mm stereo jack
(A) (B)
(C)
USB support
AdderLink XD522 units provide support for a wide range of USB devices via four
ports on the receiver unit. Three of the ports (labeled A) support low/full speed
(v2.0) USB and are made possible using Adder’s proprietary True USB Emulation
technique which is specifically designed to overcome the problems usually
encountered when remotely connecting USB keyboards and mice. The fourth
port (labeled B) provides Hi-Speed (v2.0) USB with transfer rates up to 480Mbits/
sec.
Audio support
The AdderLink XD522 units can transfer analog and digital audio signals across
the CATx cable link. Standard analog audio is supported through 3.5mm jacks
on the transmitter and receiver units: Line In/Out on the transmitter; Line In/Out
plus Microphone/Headphones on the receiver.
The three A ports support only USB keyboards and mice.
Port B provides Hi-Speed USB support for mass storage and isochronous devices.
Note: Availability of the fourth (B) USB port depends upon the use of CATx Link
B which is used solely for the transport of Hi-Speed USB signals.
Additionally, the Line In socket on the transmitter and the Line Out socket on
the receiver are dual purpose. They can accept either 3.5mm analog jacks or
mini-TOSLINK optical fibre connectors. The latter provide access to the optical
S/PDIF (Sony/Philips Digital InterFace) capabilities supported by
the AdderLink XD522 system, which transmits PCM (Pulse
Code Modulation) audio at 96KHz. The digital and
analog channels run independently alongside each
other via the CATx link.
Third party adaptors (not supplied) are
available to convert between the
mini-TOSLINK connections used
on the AdderLink XD522 units
and the more common full size
TOSLINK connectors found on
many audio/visual devices.
Serial communication support
The AdderLink XD522 transmitter and receiver both have serial Options ports
which are used for firmware upgrades but are also available during normal use
for transferring high speed serial data across the CATx link. This means that
you can connect the serial port of the Host computer to the transmitter and
any serial device to the receiver. These can then freely communicate at up to
115,200 baud across the transparent link. No serial configuration is required on
the AdderLink XD522 units as they merely pass through the serial signals.

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Tips for achieving good quality links
Due to the large volumes of data that must be transferred between the
transmitter and receiver, every AdderLink XD522 installation is highly dependent
upon good quality CATx cable links. Video performance is particularly reliant on
high speed communication channels. For this reason, the AdderLink XD522 units
periodically test the link quality to determine which of two video transfer modes
can be supported: Low Rate or High Rate. Please see Video support for details
about high and low rate video modes.
The main factors that affect link quality are:
• ThelengthandtypeofCATxcableused,
• Thenumber,lengthandtypeofintermediatepatchconnections,
• Thequalityofthecableterminations.
As illustrated in the table below, the cable type has quite a marked affect on the
maximum distance that can be achieved with High Rate mode:
Low rate mode
High rate mode
As mentioned above, patch links affect performance. For each additional break/
patch within a run, you will need to reduce the distance given above by roughly
5 meters.
For best results, patch cables should be of type CAT 7a and be less than 2
meters in length. If patch cables are greater than 2 meters, then they must be
CAT 7a.
Adder recommend the following CAT 7 shielded, foiled, twisted pair cables:
• Flexiblepatch cable Daetwyler 7702 (26AWG S/FTP)
• Bulkcable  Daetwyler7120(23AWGS/FTP)
Essential cable properties
• Agauge(thickness)of23AWG
or better is recommended.
• Thecablescreeningshouldbe:
S/FTP, S/STP or PiMF.
Please see Appendix D - Link
cable interference protection for
details.
To achieve 150m (in LR mode),
the cable thickness is important:
Use 23AWG (or thicker).
To achieve 100m (in HR mode),
both the thickness and screening
are important: Use 23AWG (or
thicker) with S/FTP screening.
Please see Appendix D - Link cable interference protection
for details about cable screening and shielding.

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AdderLink XD522 unit features
The AdderLink XD522 units are housed within durable, metallic enclosures with port connectors situated on the front and rear
panels. The smart front faces also feature the operation indicators.
Transmitter - front
Optional
B link
Transmitter - rear
Main
A link
Primary
DisplayPort
video
input
Audio
line
in/out
USB
link A
port
Power
input
Secondary
DisplayPort
video
input
USB
link B
port
Multi
function
Serial
port
Receiver - front
Hi-Speed
USB port
Receiver - rear
True
Emulation
USB port
Headphone/
microphone
sockets
True
Emulation
USB ports
Primary
DisplayPort
video
output
Audio
line
in/out
Power
input
Secondary
DisplayPort
video
output
Multi
function
Serial
port
Optional
B link
Main
A
link
Indicators
These six indicators clearly show the key aspects of operation:
• AOn Main A link is connected.
Flashes Main A link is not connected.
Off No power is present.
• BOn Optional B link is connected.
Off Optional B link is not connected.
• V1 On Video port 1 is connected and receiving video.
Flashes Video port 1 is connected but not receiving video.
Off Video port 1 is not connected.
• V2 On Video port 2 is connected and receiving video.
Flashes Video port 2 is connected but not receiving video.
Off Video port 2 is not connected.
• HR On High Rate mode is active.
Flashes High Rate mode is preferred but cannot be established, LR mode active.
Off Low Rate mode is active.
• PS On Power connected.
Flashes Upgrade error (other indicators show error code).
Off No power.
Line Out
jack supports
mini-TOSLINK
Line In
jack supports
mini-TOSLINK

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Transmitter unit
Eight self-adhesive
rubber feet
Power adaptor
(20W) and
country-specific
power lead
What’s in the box
2 x Audio cable 2m
(3.5mm stereo jacks)
Part number: VSC22
Quick Start Guide
Receiver unit
Power adaptor
(20W) and
country-specific
power lead
Serial cable 2m
Part number: VSC40
2 x USB cable 2m (type A to B)
Part number: VSC24
DisplayPort cable
Part number: VCSD10

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What you may additionally need
Two 19” rack-mount brackets and four screws
Part numbers:
One unit per 1U rack slot: RMK4S
Two units per 1U rack slot: RMK4D
Audio cable 2m
(3.5mm stereo jacks)
Part number: VSC22
Serial cable 2m
Part number: VSC40
USB cable 2m (type A to B)
Part number: VSC24
DisplayPort cable
Part number: VCSD10

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Installation
Mounting
There are two main mounting methods for transmitter and receiver units:
• Thesupplied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 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.
HT