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 powering 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
WWAN
Green
Steady on: An LTE/3G/2G connection has been
established and is active.
Blinking: Data is being transmitted or received
over the LTE/3G/2G connection.
Off: The LTE/3G/2G connection has not been
established or is inactive.
5
RSSI
Green
Steady on: The LTE/3G/2G signal strength is
high.
Fast blinking: The LTE/3G/2G signal strength is
medium.
Slow blinking: The LTE/3G/2G signal strength
is low.
Off: No LTE/3G/2G signal is available.
6
MODE
Green
Steady on: An LTE connection has been
established.
Slow blinking: A 3G/2G connection has been
established.
Off: No LTE/3G/2G connection is established.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06)
Copyright © Huawei Technologies Co., Ltd.
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