10
®
Twisted pair link connections
The links between the LOCAL and REMOTE modules are made using between
one and four twisted pair cables, specified to Category 5 or higher.
The various cable connections carry the following channel signals (if particular
channels are not used, then corresponding link cables are not required):
Link cable
Channel signals carried
1
Keyboard, Mouse, Audio, Video 1, Serial 1
2
Video 2, Serial 2
3
Video 3, Serial 3
(not ACU5122A model)
4
Video 4, Serial 4
(not ACU5122A model)
IMPORTANT: Ensure that the total twisted pair cable length (including patch
boxes) does not exceed 200 metres for any link cable. Ensure that the multiple
link cables are all of the same length to avoid the risk of uneven delays on video
images.
For each required link connection:
1 Insert the connector from
the twisted pair cable link
into one of the sockets
(labelled
TO REMOTE 1
to
TO REMOTE 4
).
2 Ensure that the other
end of the twisted pair
link connects to the
corresponding numbered
socket on the REMOTE
module (labelled
TO LOCAL
1
to
TO LOCAL 4
).
Power connection (optional on ACU5122A model)
The ACU5122A and ACU5142A LOCAL modules both have power input
sockets. However, only the ACU5142A model has a mandatory requirement for
power input from a supplied adapter. The ACU5122A LOCAL module requires a
separate power input only when the keyboard connection to the host system is
not used. Separate power supply units are available from Black Box.
1 Attach the output connector of the
power supply to the socket of the
LOCAL module, labelled
POWER
.
IEC power connector
SERIAL
4
SERIAL
3
SERIAL
2
INDOOR
USE ONL
Y
SERIAL
1
PO
WER
TO REMO
TE
4
TO REMO
TE
3
TO REMO
TE
2
TO REMO
TE
1
twisted pair
connections -
cables must be
of equal lengths
LOCAL
LOCAL
SERIAL
2
INDOOR
USE ONL
Y
SERIAL
1
PO
WER
E 2
TO REMO
TE
1
Connection from power adapter:
ACU5122A model
- not required unless the
host system keyboard connection is not used
(secondary power adapter not supplied)
ACU5142A model
- required in all cases
(secondary power adapter supplied)
2 Insert the IEC connector of the supplied power lead into the corresponding
socket of the power supply. Connect the other end of the power lead to a
nearby mains socket.
