ADDER | AdderLink XD522 | User guide | ADDER AdderLink XD522 User guide

ADDER AdderLink XD522 User guide
AdderLink XD522
User Guide

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
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

Operation

Installation
Performing an upgrade.............................................................20
Choosing the audio input mode................................................20


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
Configuration
Index

Introduction

Contents
1
AdderLink XD522
Receiver

* subject to link cable quality
Optional CATx link
carries:
Hi-Speed USB only


Main CATx link carries:
Video
Keyboard/mouse True USB Emulation
Audio
RS232 Serial

AdderLink XD522
Transmitter

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).

Introduction
2
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.
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:
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.
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.

High rate mode

Low rate mode

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.


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:

Video support
3

(B) Mini-TOSLINK connector
(C) Standard analog 3.5mm stereo jack
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.

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
(B)
(A)
and the more common full size
(C)
TOSLINK connectors found on
many audio/visual devices.
(A) TOSLINK connector with mini-TOSLINK converter

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.
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.


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

USB support
4
• The cable screening should be:
S/FTP, S/STP or PiMF.
Please see Appendix D - Link
cable interference protection for
details.
Low rate mode
To achieve 150m (in LR mode),
the cable thickness is important:
Use 23AWG (or thicker).
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)
Please see Appendix D - Link cable interference protection
for details about cable screening and shielding.



To achieve 100m (in HR mode),
both the thickness and screening
are important: Use 23AWG (or
thicker) with S/FTP screening.

Essential cable properties
• A gauge (thickness) of 23AWG
or better is recommended.

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:

Tips for achieving good quality links
5
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.
Receiver - front
Main
A link
Headphone/
microphone
sockets
Optional
B link
True
Emulation
USB ports


Transmitter - front
True
Hi-Speed
Emulation USB port
USB port
• A On Main A link is connected.
Flashes Main A link is not connected.
Off No power is present.
• 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.
• B On Off • 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.
• 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.
• PS On
Power connected.
Flashes Upgrade error (other indicators show error code).
Off
No power.
Receiver - rear

Transmitter - rear


Optional B link is connected.
Optional B link is not connected.

Indicators
These six indicators clearly show the key aspects of operation:
Power
input
USB
link A
port
USB
link B
port
Primary
DisplayPort
video
input
Audio
Secondary
Multi
DisplayPort function line
video
Serial in/out
input
port
Line In
jack supports
mini-TOSLINK
Power Multi
Primary
input function DisplayPort
video
Serial
output
port
Secondary Main
DisplayPort
A
video
link
output
Optional
B link
Audio Line Out
jack supports
line
in/out mini-TOSLINK
6
What’s in the box

Power adaptor
(20W) and
country-specific
power lead
2 x Audio cable 2m
(3.5mm stereo jacks)
Part number: VSC22
2 x USB cable 2m (type A to B)
Part number: VSC24
Receiver unit
Serial cable 2m
Part number: VSC40


Power adaptor
(20W) and
country-specific
power lead


Transmitter unit

DisplayPort cable
Part number: VCSD10
Eight self-adhesive
rubber feet
Quick Start Guide
7

What you may additionally need
Serial cable 2m
Part number: VSC40
USB cable 2m (type A to B)
Part number: VSC24
Audio cable 2m
(3.5mm stereo jacks)
Part number: VSC22

DisplayPort cable
Part number: VCSD10




Two 19” rack-mount brackets and four screws
Part numbers:
One unit per 1U rack slot: RMK4S
Two units per 1U rack slot: RMK4D
8
Installation
Mounting

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.
The optional brackets (plus four screws), allow the
units to be secured within a standard rack slot.


Rack brackets

Connections


There are two main mounting methods for transmitter and receiver units:
• The supplied self-adhesive rubber feet
• Optional rack brackets
9
Video connections are made between the host computer and the two
DisplayPort sockets on the rear panel of the transmitter unit.
To connect the video ports
1 Use the supplied DisplayPort video cable to link DP port 1 on the rear panel
of the transmitter unit with the primary video output socket of the host
computer.
Note: Low/full speed USB devices can also be used on port B; the transfer speed
will be automatically reduced. The A ports support USB keyboards and mice only.
From the host
computer’s
primary
DisplayPort
video output


To connect the USB ports
1 Use one of the supplied USB cables to connect the Link A socket on the
rear panel of the transmitter unit with a vacant USB socket on the host
computer.
From the host
computer’s
secondary
DisplayPort
video output
2 If a second video display is required, use an additional DisplayPort video
cable (Adder part number: VSCD10) to link DP port 2 on the rear panel of
the transmitter unit with the secondary video output socket of the host
computer.

Video connections
USB connections are made between the host computer and the two sockets on
the rear panel of the transmitter unit, labeled Link A and Link B.
Link A provides low/full speed USB to the three USB ports (all labeled A) that are
located on the front panel of the AdderLink XD522 receiver. The optional Link B
provides Hi-Speed USB to the single USB port (labeled B) that is also located on
the front panel of the AdderLink XD522 receiver.

Transmitter
USB connections

Connections to the AdderLink XD522 units do not need to be carried out in the
order given within this guide, however, where possible connect the power in as
a final step.
From USB sockets on
the host computer

Connections
2 If the USB port B is required (on the receiver unit), use the second supplied
USB cable to connect the Link B socket on the rear panel of the transmitter
unit with a vacant USB socket (v2.0) on the host computer.
10
To connect digital audio
1 Use either a mini-TOSLINK fibre optic cable (or a full size TOSLINK fibre optic
cable plus a mini-TOSLINK adaptor) to connect the Line In
socket on the
transmitter to the digital Line Out socket of the host computer.
TOSLINK cable
from host
computer plus
mini-TOSLINK
adaptor
From the host
computer’s
Line In socket
2 If a microphone or other audio input is required (from the AdderLink XD522
receiver back to the host computer), use another 3.5mm jack audio cable
to connect the Line Out
socket on the transmitter to the analog Line In
socket of the host computer
Mini-TOSLINK
cable from host
computer
Note: This digital input is fed across the main CATx link to the optical
connection of the receiver’s Line Out socket only. There is no crossover
between the analog and digital audio subsystems of the AdderLink XD522
installation.

From the host
computer’s
Line Out
or speaker
socket



To connect analog audio
1 Use the supplied 3.5mm jack audio cable to connect the Line In
socket
on the transmitter to the analog Line Out or speaker socket of the host
computer.

The AdderLink XD522 units support analog and digital audio. Line in and
line out connectors are provided on both the transmitter and receiver units.
Additionally, the receiver has dedicated headphone and microphone jacks on its
front panel.
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 miniTOSLINK 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.

Audio connections
11
AdderLink XD522 transmitter and receiver units are linked by either one or
two CATx cables at a distance of up to 150 meters (492 feet). The type and
quality of the CATx cables used are crucial to the mode of operation (please
see the section Tips for achieving good quality links). If Hi-Speed USB is not
needed at the receiver then a CATx link between the B ports of the units is not
necessary.
IMPORTANT: The signals sent through the link cables are NOT compatible
with standard networking equipment and could cause damage if
connected. Do not connect the transmitter or receiver modules to any other
networking devices.
To link the units
1 Connect the CATx link cable from port A of the receiver unit to port A on
the front panel of the transmitter unit.
Please see Appendix A for pin-out details of the Options port.
From link
port A on the
receiver unit
From link port B on the
receiver unit (required only
for transfer of Hi-Speed USB)
2 If Hi-Speed USB is required, connect the CATx link cable from port B of the
receiver unit to port B on the front panel of the transmitter unit.

From the host
computer’s
serial port



To connect serial devices
1 Use the supplied serial cable to link the Options port on the rear panel of the
transmitter unit with a vacant RS232 serial port on the host computer.
Link connections

The Options port on the rear panel of every AdderLink XD522 unit operates as a
serial connection that can either:
• Be used to update the firmware of the unit (see Performing an upgrade
for details), or
• Provide an RS232 serial connection that is passed between the transmitter
and receiver.
Whenever the AdderLink XD522 units are not in upgrade mode, they are ready
to transfer serial data between them at rates up to 115200 baud. When serial
devices are attached to the Options ports on the transmitter and receiver, the
units transparently convey the signals between them - no serial configuration is
required.

Serial connection
12
Power connection
2 Connect the IEC connector of the supplied country-specific power lead to
the socket of the power adaptor.


3 Connect the power lead to a nearby mains supply socket.

Note: Both the unit and its power supply 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 40 degrees Centigrade. Do not place the
products in contact with equipment whose surface temperature exceeds 40
degrees Centigrade.


To connect the power supply
1 Attach the output lead from the power adaptor
to the 5V socket on the rear panel of the unit.

Each AdderLink XD522 unit is supplied with a 20W power adaptor. There is no
on/off switch on the unit, so operation begins as soon as a power adaptor is
connected.
13

To connect the video ports
1 Connect the DisplayPort video cable from the primary video display to the
DP++ port 1 on the rear panel of the transmitter unit.
If an adaptor is being used to convert signals, connect it to the DP++ port 1
and connect the cable from the video display to the output of the adaptor. If
an externally powered adaptor is required, you may need to also connect it
to one of the USB ports in order to derive its power.

Support for other video standards
Both sockets support the DP++ (aka: DisplayPort Dual-Mode) standard, which
means that as well as providing high resolution DisplayPort signals they can also
sense when a single-link HDMI or DVI adaptor is attached. When this occurs,
the output signals are adjusted accordingly to support those display types.
Additionally, a (more complex) dual-link DVI adaptor can be attached (to port
1 only), which provides higher resolution signals for special DVI displays. Some
adaptors use power from the video socket whereas others require an external
power supply and this is usually gained from a spare USB socket. Port 1 can
provide a higher bandwidth than port 2 (which is limited to a maximum of
154Mpixels/per second). Single-link DVI can require up to 165Mpixels/per second.
From the
primary video
display
From the
secondary
video display
(if used)
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. EDID information is checked whenever
a new monitor connection is sensed whereupon it is passed to the PC.
2 If a second video display is to be used, connect its cable to the DP++ port
2 on the rear panel of the transmitter unit. If an adaptor is required, see
above.
Note: Although port 2 supports DP++ dual-mode operation, it is limited to
154Mpixels/sec (when the AdderLink XD522 units are running in high rate
mode). Some single-link video connections require up to 165Mpixels/sec.


Two DisplayPort sockets are provided on the rear panel of the transmitter
unit. When using high resolution video displays, it is important that their video
bandwidth requirements lie within the capabilities of the DisplayPort socket to
which they are attached. The bandwidth available at the two sockets on the
receiver unit can be different and are greatly affected by the mode in which the
AdderLink XD522 system is running. Please see Video support for details about
high and low rate video modes and supported resolutions.
The link capacity (between transmitter and receiver) is checked periodically to
determine which rate mode can be supported. Checks are generally made: When
the units are powered up; when the main CATx link is made; if cables are
disconnected or if the CATx link is lost for some other reason such as electrical
interference. You can choose which rate mode is preferred (see Using hotkeys).

Video display connections

Receiver
14
The AdderLink XD522 receiver provides four USB sockets on its front face:
The fourth socket is labeled
and
delivers Hi-Speed USB providing that:

• One of the host computer’s USB sockets
is connected to the Link B socket on
the AdderLink XD522 transmitter and
supports USB v2.0, and
• The second CATx link (B) is in place.
From USB
device
For Hi-Speed USB peripherals, such as mass storage devices,
use socket

Note: Low/full speed USB devices can be used on port B; the transfer speed will
be automatically reduced to support them.



These three sockets are all
labeled
and provide
True Emulation ports for low/
full speed USB keyboards
and mice only. These are also
suitable for providing power to
3rd party DisplayPort adaptors.
To connect the USB ports
1 Connect the cable from your USB device to one of the vacant USB sockets
on the receiver front panel.

USB connections
15


socket on the
From the Line
Out socket of
your audio
device
From your
speakers or
the Line In
socket of your
audio device
2 Connect the 3.5mm jack from the Line Out socket of your audio device to
the Line In
socket on the rear panel of the receiver unit.
3 Ensure that the Line In input is selected using the hotkey switch: Once the
AdderLink XD522 receiver is powered on, use a USB keyboard attached to
one of the A ports and press the
key three times in succession. Then
press the 2 key (not from the numeric keypad), to select Line In mode. The
icon will be displayed on screen to confirm your selection.
continued
From your
headphones
or speakers
From your
microphone
2 If a microphone is required, connect the 3.5mm jack from your microphone
to the socket on the front panel of the receiver unit.
3 Ensure that the microphone input is selected using the hotkey switch: Once
the AdderLink XD522 receiver is powered on, use a USB keyboard attached
to one of the A ports and press the
key three times in succession. Then
press the 3 key (not from the numeric keypad), to select Microphone mode.
The
icon will be displayed on screen to confirm your selection.

To connect headphones and/or a microphone
1 Connect the 3.5mm jack from your headphones to the
front panel of the receiver unit.
To connect speakers/line in/analog line out
1 Connect the 3.5mm jack from your powered speakers or the Line In socket
of your audio device to the Line Out
socket on the rear panel of the
receiver unit.


The AdderLink XD522 units support analog and digital audio. Line in and
line out connectors are provided on both the transmitter and receiver units.
Additionally, the receiver has dedicated headphone and microphone jacks on its
front panel.
On the receiver, the analog portion of the Line Out
socket on the rear panel
and the headphone socket on the front panel are joined and both provide
the same output (but have different electrical properties). For the Microphone
socket on the front panel and the Line In
socket on the rear, you can choose
between the two inputs using a hotkey switch (see below for details).

Audio connections
16
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.
TOSLINK cable
from audio
device plus
mini-TOSLINK
adaptor
Mini-TOSLINK
cable from
audio device
Note: This digital output is fed via the main CATx link from the optical
connection of the transmitter’s Line In socket only. There is no crossover
between the analog and digital audio subsystems of the AdderLink XD522
installation.



To connect digital audio
1 Use either a mini-TOSLINK fibre optic cable (or a full size TOSLINK fibre optic
cable plus a mini-TOSLINK adaptor) to connect the Line Out
socket on
the receiver to the digital Line In socket of the digital audio device.


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 miniTOSLINK 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.

Digital audio support
17
From link
port A on the
transmitter
unit
From the
serial device
From link port B
on the transmitter
unit (required only
for transfer of HiSpeed USB)
2 If Hi-Speed USB is required, connect the CATx link cable from port B (on the
front panel) of the transmitter unit to the LINK B port on the rear panel of
the receiver unit.

To link the units
1 Connect the CATx link cable from port A (on the front panel) of the
transmitter unit to the LINK A port on the rear panel of the receiver unit.

AdderLink XD522 transmitter and receiver units are linked by either one or two
CATx cables at a distance of up to 150 meters (492 feet). The type and quality
of the CATx cables used are crucial to the mode of operation (please see the
section Tips for achieving good quality links). If Hi-Speed USB is not needed
at the receiver then a CATx link between the B ports of the units is not required.
IMPORTANT: The signals sent through the link cables are NOT compatible
with standard networking equipment and could cause damage if
connected. Do not connect the transmitter or receiver modules to any other
networking devices.

To connect serial devices
1 Use a serial cable to link the Options port on the rear panel of the receiver
unit with the serial device.
Link connections


The Options port on the rear panel of every AdderLink XD522 unit operates as a
serial connection that can either:
• Be used to update the firmware of the unit (see Performing an upgrade
for details), or
• Provide an RS232 serial connection that is passed between the transmitter
and receiver.
Whenever the AdderLink XD522 units are not in upgrade mode, they are ready
to transfer serial data between them at rates up to 115200 baud. When serial
devices are attached to the Options ports on the transmitter and receiver, the
units transparently convey the signals between them - no serial configuration is
required.

Serial connection
18
Power connection
2 Connect the IEC connector of the supplied country-specific power lead to
the socket of the power adaptor.


3 Connect the power lead to a nearby mains supply socket.

Note: Both the unit and its power supply 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 40 degrees Centigrade. Do not place the
products in contact with equipment whose surface temperature exceeds 40
degrees Centigrade.


To connect the power supply
1 Attach the output lead from the power adaptor to
the 5V socket on the rear panel of the unit.

Each AdderLink XD522 unit is supplied with a 20W power adaptor. There is no
on/off switch on the unit, so operation begins as soon as a power adaptor is
connected.
19
Configuration
To choose between the Line In and Microphone inputs
1 Using a USB keyboard attached to one of the USB A ports on the AdderLink
XD522 receiver, press the
key three times in succession. In response,
the three keyboard indicators will all flash, once per second.
2 Use the numeric keys located above the main section of the keyboard (not
the numeric keypad), to choose the required action:
Use a straightened-out
paper clip to press and
hold the reset button
until the front panel
indicators respond
4 With the unit in download mode, transfer the upgrade file using an XMODEM
file transfer via any terminal emulator program. Use the following settings:
115200 baud, 8 bit word, no parity, 1 stop bit (8N1) and no flow control.
5 Upon completion of the download, the unit will begin to upgrade its stored
firmware. Once this process has completed the unit will reboot itself and
begin to operate with the new firmware.
Finding the latest upgrade files
Firmware files for the units are available from the Support > Firmware
Updates section of the Adder Technology website (www.adder.com).
to select Line In mode. The
icon will be displayed on screen to
confirm your selection.
to select Microphone mode. The
icon will be displayed on screen to
confirm your selection.
The chosen socket will be patched through (via the link cable) to the Line
Out socket of the transmitter.


You can choose between these two analog inputs using a hotkey switch, as
follows:

The AdderLink XD522 receiver has two analog audio inputs: A microphone
socket on the front panel and a Line In
socket on the rear.


AdderLink XD522 units are flash upgradeable using the method outlined here.
The same upgrade file is used to upgrade both the transmitter and receiver units
(although they are upgraded individually).
Warning: During the upgrade process, ensure that power is not
interrupted as this may leave the unit in an inoperable state.
1 Download the upgrade file from Adder’s website.
2 Connect the supplied serial cable (VCS40) between your computer and the
Options port of the AdderLink XD522 unit to be upgraded.
3 Use a narrow implement (e.g. a straightened-out paper clip) to press-andhold the recessed reset button on the front panel until the indicators begin
pulsing.
Choosing the audio input mode

Performing an upgrade
20
Indicators
These six indicators clearly show the key aspects of operation:
• A On Main A link is connected.
Flashes Main A link is not connected.
Off No power is present.
• B On Off Optional B link is connected.
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.
Operating Modes
AdderLink XD522 units try at all times to maximize the data that can be
transferred between them. The achievable throughput depends upon the length
and quality of the cable links that join the units. Please see Tips for achieving
good quality links.
Video signals are most sensitive to link quality and for this reason the AdderLink
XD522 units have two modes of operation: Low Rate and High Rate. The units
periodically check the link quality and determine which video transfer mode can
be successfully used. The difference between the two modes is considerable as
High Rate mode can deliver over twice the video bandwidth. Please see Video
support for details.
You can also choose which link rate mode you would prefer to use (subject to
link cable suitability) by using the Hotkey functions - please see next page for
details.
On-screen icons are displayed on the video display whenever the link mode
changes, while the HR indicators on the front panels of both units continually
show which mode is currently being used. If a rate change does occur, the entire
data link will be reset. This will cause a momentary loss of the video, audio and
USB services.

The six front panel indicators on each unit provide a useful guide to operation:

Front panel indicators


In operation, many AdderLink XD522 installations generally require no
intervention once configured. The transmitter and receiver units take care of
all connection control behind the scenes so that you can continue to work
unhindered.

Operation
• 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.

• 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.
• PS On
Power connected.
Flashes Upgrade error (other indicators show error code).
Off
No power.
21
m
NuLock
Transmitter and receiver firmware
Displays the current firmware revisions in
both units. If the link between units is not
currently valid, the TX entry will show -.--
Display the Dashboard. See opposite for details.
Select Line In mode for the receiver’s analog audio input. The
will be displayed on screen to confirm your selection.
icon
Select Microphone mode for the receiver’s analog audio input. The
icon will be displayed on screen to confirm your selection.
Select Low Rate (LR) mode as the preferred link speed. The
be displayed on screen to confirm your selection*.
Select High Rate (HR) mode as the preferred link speed. The
will be displayed on screen to confirm your selection*.
icon will
Signal quality indicators for each of the
four wire-pairs within the main link cable.
Depending on the number of signal errors
that are being detected, each of the four bars
will increase in length and show a different
color:
Best quality.
Very few errors
Current link rate
mode
Displays either HR for
High Rate mode or LR
for Low Rate mode.
If the link is not
operating, the entry
will show - -
icon
Note: If you do not press any key within five seconds, or press any key other
than the digits 1 to 5 (or once you have successfully chosen an action), the
keyboard will revert to normal operation. To use another hotkey function,
repeat the whole procedure described above.
* When changing between preferred link rates, if a rate change subsequently
occurs, the entire data link will be reset. This will cause a momentary loss of
the video, audio and USB services. A successful switch to High Rate will only
be possible if the link cable is able to support the higher rate - Please see
Tips for achieving good quality links for further information.

To display the Dashboard
• As discussed in more detail left, press
three times and then press .
The Dashboard will be shown at the top of the connected video display:

ps
CaLock
roll
ScLock
The Dashboard provides a quick overview of link quality as well as confirmation
of the current link rate mode and the firmware revisions of both the transmitter
and receiver units.

To use hotkeys
1 Using a USB keyboard attached to one of the USB A ports on the AdderLink
XD522 receiver, press (and release) the
(Ctrl) key three times in
succession (either of the keyboard’s Ctrl keys can be used).
In response, the three keyboard indicators will all flash,
once per second.
2 Use the numeric keys 1 to 5 located above the main
section of the keyboard (not the numeric keypad), to
choose the required action:
The Dashboard


The AdderLink XD522 units provide hotkey features to allow you to check and
adjust certain aspects of operation. Using the hotkeys you can:
• Monitor link quality using the Dashboard (see opposite),
• Choose the preferred link rate mode, and/or
• Choose between line in and microphone modes at the receiver.
Worst quality.
Many data errors
• To remove the Dashboard, press
three times and then press .
The Dashboard will also disappear if you select any of the other hotkeys.

Using hotkeys
22
Further information
• Technical support – www.adder.com/contact-support-form
For technical support, use the contact form in the Support section of the
adder.com website - your regional office will then get in contact with you.
General specifications
Casing (w x h x d): Construction: Weight: Mount kits: Power to adaptor: Power to unit:
Operating temp: Approvals: 198mm (7.92”) x 44mm (1.76”) x 120mm (4.8”)
1U compact case, robust metal design
0.75kg (1.65lbs)
Rack mount - single or dual units per 1U slot.
VESA monitor / wall mount chassis.
100-240VAC 50/60Hz, 0.8A,
5VDC 20W
0ºC to 40ºC (32ºF to 104ºF)
CE, FCC

• Adder Forum – forum.adder.com
Use our forum to access FAQs and discussions.

• Online solutions and updates – www.adder.com/support
Check the Support section of the adder.com website for the latest solutions
and firmware updates.


If you are still experiencing problems after checking the information contained
within this guide, then we provide a number of other solutions:

Getting assistance

This chapter contains a variety of information, including the following:
• Getting assistance - see right
• General specifications - see right
• Appendix A - Options port pin-out
• Appendix B - EDID management
• Appendix C - Tested video resolutions
• Appendix D - Link cable interference protection
• Safety information
• Warranty
• Radio frequency energy statements
23
Appendix A
Options port pin-out
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
Signal
Not used
5VDC power output (100mA max)
GND reference for all signals
RS232 (RXD) data receive
RS232 auxiliary data transmit (reserved)
RS232 auxiliary data receive (reserved)
RS232 (TXD) data transmit
Not used
Not used
Not used

10p10c

OPTIONS
8p8c


10

1

The Options port on each unit can accept either 8p8c or 10p10c connectors, as
required.
24
Appendix B





This flowchart highlights
how the AdderLink XD522
units determine which of
the various modes reported
by each video display
can be supported by the
installation.

EDID management
25
Appendix C
Video Head 1 video resolution
Max 280Mpix/Sec 2048x2048@60Hz
279Mpix/Sec
2560x1600@60Hz
269Mpix/Sec
2560x1440@60Hz
242Mpix/Sec
2048x1080@60Hz
147Mpix/Sec
2048x768@60Hz
105Mpix/Sec
1920x1200@60Hz
154Mpix/Sec
1920x1080@60Hz
138Mpix/Sec
1680x1050@60Hz
119Mpix/Sec
1600x1200@60hz
130Mpix/sec
Video Head 2 video resolution
Max 154Mpix/Sec
Not supported
Not supported
Not supported
2048x1080@60Hz
147Mpix/Sec
2048x768@60Hz
105Mpix/Sec
1920x1200@60Hz
154Mpix/Sec
1920x1080@60Hz
138Mpix/Sec
1680x1050@60Hz
119Mpix/Sec
1600x1200@60hz
130Mpix/sec

Video Head 1 video resolution
Max 148.5Mpix/Sec
2048x1080@60Hz
147Mpix/Sec
2048x768@60Hz
105Mpix/Sec
1920x1080@60Hz
138Mpix/Sec
1680x1050@60Hz
119Mpix/Sec
1600x1200@60hz
130Mpix/sec
1366x768@60Hz
85Mpix/sec
1280x1024@60Hz
109Mpix/sec
1024x768@60Hz
63Mpix/sec
800x600@60Hz
38Mpix/sec
Combined maximum pixel clock: 308 Mpixels/sec

High Rate Mode
Maximum pixel clock: 148.5 Mpixels/sec


Low Rate Mode

This section details the video resolutions that have been tested with the
AdderLink XD522 units and are known to work within the link limitations
detailed elsewhere in this guide for the operational modes. All quoted video
resolutions have reduced blanking.

Tested video resolutions
26
Appendix D
Pair Shielding
U/UTP
û
û
F/UTP
ü
û
U/FTP
û
ü
S/FTP
or S/STP
or PiMF
ü
ü
Interference protection codes
Interference protection is now classified in the following
manner:
U/UTP
Overall
screening
Twisted
Pair
Pair
shielding
where
U = unshielded
F = foil shielding
S = braided shielding
F/UTP
U/FTP
S/FTP
S/STP
PiMF
General cable anatomy
Outer sheath
Overall screening

Overall Screening

Name


U/UTP
Pair shielding

While the Category rating (e.g. CAT 5e, CAT 6a, etc.)
determines the electrical performance of a cable, another
vital part of the overall cable specification is its protection
from interference. As cabling distances and data rates
increase, so too does the susceptibility to interference,
from both external and internal sources.
Proximity to other electromagnetic sources are the main
external threat and these can be subdued using overall
screening that surrounds all four of the cable pairs.
However, interference is also possible from neighbouring
twisted pairs within the same cable and this can be
just as hazardous to data integrity. Such crosstalk is
countered by shielding each cable pair separately.
Within each Category rating, you can specify different
combinations of external screening and internal shielding
to suit the environment into which the link is being
placed. Please see the section Tips for achieving good
quality links for suggested combinations.

Link cable interference protection
PiMF = Pairs in Metal Foil
27
•

•

•
•
For use in dry, oil free indoor environments only.
Warning - live parts contained within power adaptor.
No user serviceable parts within power adaptor - do not dismantle.
Plug the power adaptor into a socket outlet close to the module that it is
powering.
Replace the power adaptor with a manufacturer approved type only.
Do not use the power adaptor if the power adaptor case becomes damaged,
cracked or broken or if you suspect that it is not operating properly.
If you use a power extension cord with the units, make sure the total
ampere rating of the devices plugged into the extension cord does not
exceed the cord’s ampere rating. Also, make sure that the total ampere
rating of all the devices plugged into the wall outlet does not exceed the
wall outlet’s ampere rating.
Do not attempt to service the units yourself.

•
•
•
•


Adder Technology Ltd warrants that this product shall be free from defects in
workmanship and materials for a period of two years from the date of original
purchase. If the product should fail to operate correctly in normal use during the
warranty period, Adder will replace or repair it free of charge. No liability can be
accepted for damage due to misuse or circumstances outside Adder’s control.
Also Adder will not be responsible for any loss, damage or injury arising directly
or indirectly from the use of this product. Adder’s total liability under the terms
of this warranty shall in all circumstances be limited to the replacement value of
this product.
If any difficulty is experienced in the installation or use of this product that you
are unable to resolve, please contact your supplier.
Safety information

Warranty
28
Canadian Department of Communications RFI statement
This equipment does not exceed the class A limits for radio noise emissions from
digital apparatus set out in the radio interference regulations of the Canadian
Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant
les limites applicables aux appareils numériques de la classe A prescrites dans
le règlement sur le brouillage radioélectriques publié par le ministère des
Communications du Canada.

This equipment generates, uses and can radiate radio frequency energy
and if not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause interference to radio communication.
It has been tested and found to comply with the limits for a class A computing
device in accordance with the specifications in Subpart J of part 15 of FCC rules,
which are designed to provide reasonable protection against such interference
when the equipment is operated in a commercial environment. Operation of this
equipment in a residential area may cause interference, in which case the user at
his own expense will be required to take whatever measures may be necessary
to correct the interference. Changes or modifications not expressly approved by
the manufacturer could void the user’s authority to operate the equipment.

This equipment has been tested and found to comply with the limits for a class
A computing device in accordance with the specifications in the European
standard EN55022. These limits are designed to provide reasonable protection
against harmful interference. This equipment generates, uses and can radiate
radio frequency energy and if not installed and used in accordance with the
instructions may cause harmful interference to radio or television reception.
However, there is no guarantee that harmful interference will not occur in a
particular installation. If this equipment does cause interference to radio or
television reception, which can be determined by turning the equipment on
and off, the user is encouraged to correct the interference with one or more
of the following measures: (a) Reorient or relocate the receiving antenna. (b)
Increase the separation between the equipment and the receiver. (c) Connect
the equipment to an outlet on a circuit different from that to which the receiver
is connected. (d) Consult the supplier or an experienced radio/TV technician for
help.
FCC Compliance Statement (United States)


European EMC directive 2004/108/EC

A Category 5 (or better) twisted pair cable must be used to connect the units in
order to maintain compliance with radio frequency energy emission regulations
and ensure a suitably high level of immunity to electromagnetic disturbances.
All other interface cables used with this equipment must be shielded in order
to maintain compliance with radio frequency energy emission regulations and
ensure a suitably high level of immunity to electromagnetic disturbances.

Radio Frequency Energy
29

Contact: www.adder.com/contact-details



Support: forum.adder.com

www.adder.com

Web:
Documentation by:
www.ctxd.com
© 2013 Adder Technology Limited
All trademarks are acknowledged.
Part No. MAN-XD5x2-ADDER • Release 1.0a
30
D
Dashboard 22
Digital audio 11,17
DisplayPort
TX connections 10
DP++ 14
DVI
adapter 14
H
HDMI
adapter 14
High Rate 22
High rate mode 3
Hotkeys 22
Hotkey switch
audio 16
HR 21,22
I
Indicators 6,21
Interference
protection 27
Items
included 7
optional 8
M
Microphone 20,22
mini-TOSLINK
fibre connector 11
Mounting 9
S
Screening 27
Serial
RX connection 18
TX connection 12
Serial comms 4
Shielding 27
Size 23
Specifications 23
O
Operating Modes 21
Options port
pin-out 24,25,26,27
T
Temperature
operating 9,23
TOSLINK
fibre connector 11
P
Patch cable 5
Power
RX connection 19
TX connection 13
U
Upgrade 20
USB 4
RX connections 15
TX connections 10
V
VGA
adapter 14
Video
modes 3
RX connections 14
TX connections 10
Video bandwidth 14
W
Weight 23

G
Getting assistance 23
R
Resolutions
video 3
RS232 12,18

C
Cable pairs 27
Cables
included 7
optional 8
Category rating 27
CATx links 5
Crosstalk 27
F
Flash upgrade 20
Front panel indicators 21
L
Line In 20,22
Link
RX connections 18
TX connections 12
Link quality 5
Low Rate 22
Low rate mode 3
LR 22


B
Bandwidth
video 3
E
EDID 25,26,27
EDID management 3

A
Analogue audio 11
Audio
hotkey switch 16
RX connections 16
TX connections 11
Audio input mode 20
Audio support 4

Index
31
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