Nortel Networks 1750 The following table provides the ISDN BRI S/T cable pinouts, NN46110-316

86 Appendix A Technical specifications

The following table provides the ISDN BRI S/T cable pinouts.

Table 27 ISDN BRI S/T cable pinouts

Pin

1

2

3

4

5

6

7

8

Function

N/C

N/C

Receive +

Transmit +

Transmit -

Receive -

N/C

N/C

The following table provides the ISDN BRI U cable pinouts.

Table 28 ISDN BRI U cable pinouts

Pin	Function
1	N/C
2	N/C
3	N/C
4	U interface network connection (tip)
5	U interface network connection (ring)
6	N/C
7	N/C
8	N/C

NN46110-316 03.01