3com 3015 (3C13615) User Manual

Page of 68
T1 Cable
63
T1 Cable
Figure 39 illustrates the T1 cable.
Figure 39   T1 Cable
Table 40 describes T1 cable pinouts.
ISDN BRI Cables
Figure 40 illustrates the the ISDN S/T Port cable.
Figure 40   ISDN S/T Port Cable
Table 41 describes ISDN S/T port cable pinouts.
Figure 41 illustrates the ISDN U port cable.
Table 40   T1 Cable Pinouts 
RJ-45
Straight-through 
Shielded 
Network Cable
Signal
Description
RJ-45
1
White (Orange)
Rx
Ring
1
2
Orange
Rx
Tip
2
3
White (Green)
-
-
3
4
Blue
Tx
Ring
4
5
White (Blue)
Tx
Tip
5
6
Green
-
-
6
7
White (Brown)
-
-
7
8
Brown
-
-
8
RJ-45
RJ-45
Table 41   ISDN S/TPort Cable Pinouts 
RJ-45
Signal
RJ-45
1
-
1
2
-
2
3
Tx+
3
4
Rx+
4
5
Rx-
5
6
Tx-
6
7
-
7
8
-
8