Introduction; Structure - Huawei NE40E-X1 Hardware Description

HUAWEI NE40E-X1 & NE40E-X2 Universal Service
Router
Hardware Description

4.4.1 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.

4.4.2 Structure

As shown in
interface cable.
Figure 4-2 AUX interface cable
1. Direction A 2. DB25 female connector
5. Direction B 6. Direction C
Table 4-7 Pin assignment on the AUX interface cable
RJ-45
1
2
3
4
5
6
7
8
Issue 02 (2011-09-10)
Figure 4-2 the structure of the AUX interface cable is the same as that of the console
Table 4-7 shows the pin assignment on the AUX interface cable.
Direction
->
->
->
—
—
<-
<-
<-
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3. Label
7. DB9 female connector W1 and W2 communication cable
DB-25 DB-9
4 7
20 4
2 3
8 1
7 5
3 2
6 6
5 8
4 Cables
4. RJ45 connector
Signal
RTS
DTR
TXD
GND
GND
RXD
DSR
CTS
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