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TC12 Installation, Commissioning & Maintenance Handbook
666/HE/43100/000
Page 70
Issue 10
The ferrite core should be cable tied to a suitable point in the traffic controller, or a
suitable place on the OTU mechanics (e.g. on top of the detector racking), if it is
likely to interfere with the controller door or any other installed equipment.
Figure 24 - OTU 6-Way Telecom Socket Connections
OUTSTATION PROCESSOR PCB - SKT4
6 - Way Telecom Socket to MDF
PIN
2-Wire Selected
4-Wire Selected
1
TX Transmit Reply Data
TX+ Transmit Reply Data
2
NC
RX+ Receive Control Data
3
NC NC
4
NC NC
5
NC
RX- Receive Control Data
6
RX Receive Control Data
TX- Transmit Reply Data
The telephone cable connects to the socket above via a 6-way plug. The wire
colours on this cable, which connect to the above pins, are as follows:
PIN 1
BLACK WIRE
PIN 2
WHITE WIRE
PIN 3
GREEN WIRE
PIN 4
BLUE WIRE
PIN 5
RED WIRE
PIN 6
ORANGE WIRE