Numbe
r
Indicator Color Description
1 PWR Green Steady on: The system power supply is normal.
Off: The system power is off.
2 SYS Red and
green
Slow blinking green: The system is running
properly.
Fast blinking green: The system is being
powered on or restarting.
Steady red: A fault that affects services has
occurred. The fault cannot be rectified
automatically and requires manual intervention.
Off: The system software is not running or is
resetting.
3 USB Red and
green
Steady green: The system has been upgraded or
configured using a USB flash drive.
Blinking green: The system is being upgraded
or configured using a USB flash drive.
Steady red: The system fails to be upgraded or
configured using a USB flash drive.
Off: No USB flash drive is connected, the USB
interface has failed, or the indicator has failed.
4 HDD Green Steady on: A hard disk has been connected to
the router.
Blinking: The hard disk is transmitting data.
Off: No hard disk is connected to the router.
5 WLAN1
(working at
the 2.4 GHz
frequency
band)
Green Blinking: Data is being transmitted on the
WLAN link.
Off: The WLAN link is shut down.
6 WLAN2
(working at
the 5.0 GHz
frequency
band)
Green Blinking: Data is being transmitted on the
WLAN link.
Off: The WLAN link is shut down.
7 and 8 GE electrical
interface
indicators:
l 7: ACT
indicator
Yellow ACT indicator blinking: Data is being
transmitted or received.
ACT indicator off: No data is being transmitted
or received.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 392
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