Huawei AR500 Series Hardware Description page 669

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Connection
None
Ordering Information
None
6.2.8 5-Pin Phoenix Connector (RS485/RS422)
Description
An RS485/RS422 cable has a 5-pin terminal block at one end, and the other end can be
connected to a meter or monitoring terminal.
Appearance and Structure
Figure 6-13
Figure 6-13 Structure of a 5-pin phoenix connector (RS485/RS422)
Issue 10 (2019-03-06)
3.3V
DO
DIDO0，DIDO1，DIDO2
3.3V
DI/DO interface
DIDO3，DIDO4，DIDO5
DO
GND
shows the structure of a 5-pin phoenix connector (RS485/RS422).
Copyright © Huawei Technologies Co., Ltd.
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