Huawei AR500 Series Hardware Description page 666

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
6.2.7 RJ-45 Connector (DI/DO)
Description
A DI/DO cable consists of a group of twisted pairs and RJ-45 connectors at both ends.
Appearance and Structure
Figure 6-12
Figure 6-12 Structure of an RJ-45 connector (DI/DO)
Pin Assignments
Table 6-23
Table 6-23 Pin assignments of an RJ-45 connector (DI/DO)
Pin
1
2
Issue 10 (2019-03-06)
shows the structure of an RJ-45 connector (DI/DO).
8
lists the pin assignments of an RJ-45 connector (DI/DO).
Definition
V33
DIDO0
Copyright © Huawei Technologies Co., Ltd.
1
Attribute
Power supply, 3.3 V
IN/OUT, LVTTL
6 Cables
Description
3.3 V power supply,
supporting a
maximum output
current of 0.5 A
Digital input/output
pin, providing
digital input by
default after power-
on
655