Introduction; Structure - Huawei NetEngine40E Hardware Description

HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description

7.5.1 Introduction

The AUX interface cable is used to connect the AUX interface on the NE40E to a modem to
remotely transmit the configuration data of the NE40E.
The AUX interface cable is an 8-core shielded cable. One end of the cable is an RJ45
connector connected to the AUX interface on the MPU. The other end has DB9 and DB25
connectors, either of which is connected to the serial interface on a computer.

7.5.2 Structure

As shown in
console interface cable.
Figure 7-2 AUX interface cable
1. Direction
A
5. Direction
B
Table 7-20 Pin assignment on the AUX interface cable
RJ-45
1
2
3
4
5
6
7
8
Issue 01 (2012-09-30)
Figure 7-2 the structure of the AUX interface cable is the same as that of the
Table 7-20 shows the pin assignment on the AUX interface cable.
2. DB25 female
connector
6. Direction C
Direction
->
->
->
-
-
<-
<-
<-
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Copyright © Huawei Technologies Co., Ltd.
3. Label
7. DB9 female
connector
DB-25 DB-9
4 7
20 4
2 3
8 1
7 5
3 2
6 6
5 8
7 Cables
4. RJ45 connector
W1 and W2 communication
cable
Signal
RTS
DTR
TXD
GND
GND
RXD
DSR
CTS
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