3 FE combo interface 4 Power outage survival interface
NOTE
It is the survival interface for FE7 combo
interface.
5 RST
NOTICE
This button is used to reset the router.
l Holding down the button for 10 seconds
will restore the factory settings.
l Pressing the button will reset the system.
Resetting the system will interrupt services.
Exercise caution when performing this
operation.
6 AC power socket
NOTE
l It is connected to an AC power supply
device using a 4-pin AC power cable.
l The router supports Huawei 4.9 180 W
PoE Midspan.
7 Console interface
NOTE
The interface marked RESERVE is a
reserved console interface.
8 Two GE optical interfaces
NOTE
The two interfaces GE0 and GE1 can be used
as WAN interfaces.
9 Cover open sensor 10 Two RS485 interfaces and two DI
interfaces
NOTE
l RS485 interfaces: connected to meters or
other devices with RS485 interfaces
l DI interfaces: connected to digital input
devices
11 Ground point
NOTE
The router must be reliably grounded using a
ground cable to protect the router from
lightning and electromagnetic interference.
- -
Indicator Description
Figure 3-83 shows the indicators on the AR531-F2C-H router.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 445