Serial Port Cable (Rs232/Rs485) - Huawei NetEngine40E Hardware Description

HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description

7.11 Serial Port Cable (RS232/RS485)

The serial port cable can be RS232 cable or RS485 cable, which is used for transferring the
serial port service.
Connection
One end of the serial port cable is an 8-pin RJ45 connector and the other end is an RJ45
connector or a connector of other types. The connections are as follows:


Appearance and Structure
Figure 7-17
Figure 7-17 Structure of the serial port cable
Pin Assignments
The X1 end of the serial port cable is an RJ45 connector and the other end is a connector of
other types. Connect the serial port cable based on the pin assignments of the serial port cable,
as shown in
Table 7-39 Pin assignments of the serial port cable
X1
1
2
3
4
5
6
7
Issue 01 (2012-09-30)
The 8-pin RJ45 connector is connected to the serial port on the device.
The other connector is connected to the terminal housing a serial port.
shows the appearance of the serial port cable.
Table 7-39.
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Copyright © Huawei Technologies Co., Ltd.
Signal Name
GND
GND
RS232_TXD (connected to the peer RXD)
GND
GND
RS232_RXD (connected to the peer TXD)
RS485_D+
7 Cables
633