Huawei AR550 Series - 6.2.7 RJ-45 Connector (DI;DO)

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