TC12 Installation, Commissioning & Maintenance Handbook
Table 8 - Integral OTU Line Level Switch (S3)
Switch Number
Output
Power SW 1 SW 2 SW 3 SW 4 SW 5 SW 6
0 dBm 1 0 0 0
-3 dBm 1 0 0 1
-6 dBm 0 1 0 0
-9 dBm 0 1 0 1
-10 dBm 0 0 1 0
-13 dBm 0 0 0 0
-16 dBm 0 0 0 1
Receive
Threshold
-42 dBm 0 0
-39 dBm 0 1
-33 dBm 1 0
0 = Switch Open
1 = Switch Closed
Warning - For use in the UK the power level must not be set to greater
than
-13 dBm. Only settings in the non-shaded area are allowed.
6.3.3 Connectors and Cables
6.3.3.1 Extended System Bus Ribbon Cable
Connect the Controller extended system bus cable to Plug PLA on the back of the
Integral OTU PCB.
Note: Do not connect/disconnect the cable whilst the controller power is
switched on.
Table 9 - Integral OTU PLA - 40 Way Connector
PIN NAME
1 0 V
2 ADDRESS BIT 0
3 ADDRESS BIT 1
4 ADDRESS BIT 2
5 ADDRESS BIT 3
6 ADDRESS BIT 4
666/HE/43100/000 Page 170 Issue 9