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Appendix A Technical specifications 93
Table 28 provides the ISDN BRI S/T cable pinouts.
Table 28 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
Table 29 provides the ISDN BRI U cable pinouts.
Table 29 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 |
|
|