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3CC08991ATAA TQ BJA 01
Issue 01 -- March 2004
3.6.8 -- Engineering service channel ESC2 telephone handset
The service channel telephone handset (classic IDU only, ref: 9400XXB000, optional kit) is as shown below.
It connects to the IDU, via the RJ11 connector with the handset symbol; it uses DTMF (tone) dialling.
To safeguard against EMC problems, remember to clip the isolating ferrite core on the
cable. This is supplied in the main IDU connector kit.
The handset can be connected to the main IDU, via the front panel or connector panel.
Caution: to operate, set the handset switch to “FV”.
Set switch to
“FV”
Isolating ferrite core
RJ 11 connector
3.7
--
Wiring between a terminal’s units
3.7.1 -- Main IDU - extension IDU wiring
This is for 1+1 configurations of all types and 1+0 configurations with extension.
Main IDU
Extension IDU
Cable
3CC07160ABxx
Cable
3CC07157ABxx
Connect the ESC EXT connector on the main IDU to the ESC MAIN connector on the extension IDU using a
cable ref: 9400UXCI130 (3CC07157AAxx), with male 37-way connectors (L = 300 mm).
Connect the EXT connector on the main IDU to the MAIN connector on the extension IDU via a cable
ref: 9400UXB221 (3CC07160AAxx), with 68-way rectangular plugs (L = 300 mm).
3.7.2 -- Wiring the IDUs in 1+1 with MUX protection
This applies to 1+1 configurations with multiplex protection.
Summary of Contents for 9400 UX
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