Figure 6-29 Appearance of an ISDN S/T interface crossover cable
Figure 6-30 shows the structure of an ISDN S/T interface crossover cable.
Figure 6-30 Structure of an ISDN S/T interface crossover cable
X1
X2
1
8
Label
Network port connector
(8-pin, RJ-45, male)
Network port connector
(8-pin, RJ-45, female)
1 8
Pin Assignments
Table 6-20 describes the pin assignments of the standard ISDN S/T interface cable. Pins 3 and
6 are the sending end, and pins 4 and 5 are the receiving end.
Table 6-20 Pin assignments of the standard ISDN S/T interface cable
RJ45
Signal RJ45
1 - 1
Huawei AR1200&2200&3200 Series Enterprise Routers
Hardware Description 6 Cables
Issue 03 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
158