3Com 3012 (3C13612), 3015 (3C13615) manual T1 Cable, Isdn BRI Cables, Describes T1 cable pinouts

T1 Cable 63

T1 Cable	Figure 39 illustrates the T1 cable.
	Figure 39 T1 Cable
	RJ-45	RJ-45

Table 40 describes T1 cable pinouts.

Table 40 T1 Cable Pinouts

	Straight-through
	Shielded
RJ-45	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

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.

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

Figure 41 illustrates the ISDN U port cable.