Huawei AR1200-S Series Hardware Description page 131

Huawei AR1200-S&2200-S Series Enterprise Routers
Hardware Description
Figure 6-29 Appearance of an ISDN S/T interface crossover cable
Figure 6-30
Figure 6-30 Structure of an ISDN S/T interface crossover cable
1 8
Pin Assignments
Table 6-20
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
1
Issue 03 (2012-04-20)
shows the structure of an ISDN S/T interface crossover cable.
Network port connector
(8-pin, RJ-45, male)
X1
describes the pin assignments of the standard ISDN S/T interface cable. Pins 3 and
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Network port connector
(8-pin, RJ-45, female)
Label
Signal
-
6 Cables
1
8
X2
RJ45
1
124