111
Primary to Basic Rate ISDN Multiplexer
TECHNICAL: 0118 931 2233
ISDN interface Pin-outs
The following table shows the pin-outs of the RJ45 connectors for the ISDN interfaces.
PRI 1
PRI 2
BRI
E1 or
T1
E1 or
T1
S U
1 R-
T-
NC
NC
2 R+
T+
NC
NC
3 NC
NC
R-
NC
4 T-
R-
T-
RING
5 T+
R+
T+
TIP
6 NC
NC
R+
NC
7 NC
NC
NC
NC
8 NC
NC
NC
NC
Analogue Pin-out
The following table shows the pin-out of the RJ11 connector for the analogue (PSTN)
interfaces.
RJ11
connector
1 NC
2 NC
3 TIP
4 RING
5 NC
6 NC
Ethernet interface Pin-out
The following table shows the pin-out of the RJ45 connector for the Ethernet interface.
RJ45
connector
1 T+
2 T-
3 R+
4 NC
5 NC
6 R-
7 NC
8 NC
