Numbe
r
Indicator/
Button
Color
Description
5
ALM
Red
l
When no USB flash drive is connected to the
router, the ALM indicator works as the
system indicator:
–
Steady on: A system fault has occurred
and requires manual intervention.
–
Off: The system is running properly.
l
When a USB flash drive is connected to the
router, the ALM indicator works as the USB
indicator:
Steady red: The system fails to be upgraded
or configured using the USB flash drive.
6
RUN
Green
l
When no USB flash drive is connected to the
router, the RUN indicator works as the
system indicator:
–
Off: The system software is not running
or is resetting.
–
Slow blinking: The system is running
properly.
–
Fast blinking: The system is powering on
or restarting.
l
When a USB flash drive is connected to the
router, the RUN indicator works as the USB
indicator:
–
Steady on: The system has been
upgraded or configured using the USB
flash drive.
–
Fast blinking: The system is being
upgraded or configured using the USB
flash drive.
7
PWR
Green
Steady on: The system power supply is normal.
Off: The system power supply is abnormal or
the router is not connected to a power source.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06)
Copyright © Huawei Technologies Co., Ltd.
107