Isdn U Cable - 3Com SuperStack II User Manual

ISDN U Cable

To connect a model 44x or model 54x bridge/router to an ISDN network,
use a Category 5 shielded twisted-pair cable with an RJ-45 connector on
the bridge/router end, and an RJ-11 connector at the wall. This cable
comes with your bridge/router.
Figure 15 shows the pinouts of the ISDN U cable.
Figure 15 ISDN U Cable
WAN Connector and Cables
To WAN port
1 2 3 4 5 7 8 6
RJ-45 male (shielded)
Name Pin
Not connected 1
Not connected 2
3
Not connected
Ring 4
5
Tip
Not connected 6
7
Not connected
Not connected 8
43
To wall outlet
12 3 4 5 7 8 6
RJ-11 male (shielded)
Pin Name
1
Not connected
2 Not connected
3
Not connected
4 Ring
5
Tip
6 Not connected
7
Not connected
8 Not connected