Table 19 Isdn Bri S/T Cable Pinouts; Table 20 Isdn Bri U Cable Pinouts - Nortel 1010 Series Installing

Table 19 provides the ISDN BRI S/T cable pinouts.

Table 19 ISDN BRI S/T cable pinouts

Pin Function
1 N/C
2 N/C
3 Receive +
4 Transmit +
5 Transmit -
6 Receive -
7 N/C
8 N/C
Table 20 provides the ISDN BRI U cable pinouts.

Table 20 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
Appendix A Technical specifications 43
Installing the Contivity 1010/1050/1100