NEC Univerge SV9100 System Hardware Manual page 311

Issue 3.0
SV9100 System Hardware Manual
Table 4-25 GCD-4COTB RJ-61 Cable Connector Pin-Outs
RJ-61 Cable Connector – CN2, Trunks
The CN2 connector is polarity sensitive (tip-to-tip, ring-to-ring)
RJ-61 Cable Connector – CN3, SLT Interface for Power Failure
Pin No. Connection
1 Circuit 4 – Tip
2 Circuit 3 – Tip
3
Circuit 2 – Tip
4 Circuit 1 – Ring
5 Circuit 1 – Tip
6 Circuit 2 – Ring
7 Circuit 3 – Ring
8
Circuit 4 – Ring
Pin No. Connection
1
2
3
Circuit 2 – Tip
4 Circuit 1 – Ring
5 Circuit 1 – Tip
6 Circuit 2 – Ring
7
8
–
–
–
–
4-61