Huawei AR1200-S Series Hardware Description page 132

Huawei AR1200-S&2200-S Series Enterprise Routers
Hardware Description
RJ45
2
3
4
5
6
7
8
Table 6-21
5 are the sending end, and pins 3 and 6 are the receiving end.
Table 6-21 Pin assignments of the standard ISDN S/T interface crossover cable
RJ45 (TE)
1
2
3
4
5
6
7
8
Technical Specifications
Table 6-22
Table 6-22 Technical specifications of an ISDN-ST cable
Item
Characteristic impedance
Cable
Color
Diameter
Issue 03 (2012-04-20)
Signal
-
Tx+
Rx+
Rx-
Tx-
-
-
describes the pin assignments of the ISDN S/T interface crossover cable. Pins 4 and
Signal
-
-
Tx+
Rx+
Rx-
Tx-
-
-
lists the technical specifications of an ISDN-ST cable.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Specification
100 ohm
Category 5 twisted pairs
PANTONE 430U
0.51 mm (0.02 in.)
6 Cables
RJ45
2
3
4
5
6
7
8
RJ45 (NT)
1
2
4
3
6
5
7
8
125