Product Model Power Module Delivered
by Default
Optional Power Module
AR2504-D-H No power module is delivered
by default. This model is
equipped with an embedded 3-
pin AC/DC power terminal.
60 W DC power module
4.2 Types of Power Supplies
Table 4-7 describes the types of power supplies supported by AR series routers. The actual
power supplies applicable to a router vary depending on the product model.
Table 4-7 Types of power supplies
Power
Module Type
Description
Built-in power
module
It is fixed in the chassis with a power socket on the panel, and connects
to an external power source through a power cable to supply power for
the router.
Power adapter It is an external unit used to connect a router to an external power source.
PoE power
adapter
It is an external unit used to connect a router to an external power source.
Using the PoE power adapter, the router can supply power to attached
powered devices.
AC power
module
It is an external unit used to connect a router to an external power source
through a power cable.
DC or AC-DC
power module
It is installed in a power slot of a router and connects to an external
power source through a power cable to supply power for the router.
AC PoE power
module
It is an external unit used to connect a router to an external power source
through a power cable to supply power for the router and its attached
powered devices.
PoE midspan It is an external unit used to connect a router to an external power source
through a power cable to supply power for the router and its attached
powered devices. In addition, it can be used to convert an Ethernet
interface that does not support PoE into a PoE-enabled GE interface.
4.3 24 W Integrated Power Adapter
Product Support
Table 4-8 lists the device models that support a 24 W integrated power adapter.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
4 Power Supplies
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 581
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