3Com NETBuilder SI Using Manual - page 171
Other manuals for NETBuilder SI:
User Manual
Manual is about: Bridge/Router
of
212
WAN Connector and Cables
171
Figure 25 shows the pin assignments of the ISDN S/T cable.
Figure 25 ISDN S/T Cable
RJ-45 male (shielded)
To WAN port
To wall outlet or NT1
1 2 3 4 5
7 8
6
RJ-45 male (shielded)
1 2 3 4 5
7 8
6
Name Abbr. Pin
Pin Abbr. Name
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
NC
NC
TxD+
RxD+
RxD-
TxD-
NC
NC
NC
NC
TxD+
RxD+
RxD-
TxD-
NC
NC
Not connected
Not connected
Transmit Data+
Receive Data+
Receive Data-
Transmit Data-
Not connected
Not connected
Not connected
Not connected
Transmit Data+
Receive Data+
Receive Data-
Transmit Data-
Not connected
Not connected