Huawei AR500 Series Hardware Description page 292

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Numbe
r
5
6
7
Issue 10 (2019-03-06)
Indicator/ Color
Button
ALM Red
RUN Green
PWR Green
Copyright © Huawei Technologies Co., Ltd.
Description
l When no USB flash drive is connected to the
router, the ALM indicator works as the
system indicator:
– Steady red: 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 failed to be upgraded
using the USB flash drive.
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 being
powered on or restarting.
l When a USB flash drive is connected to the
router, the RUN indicator works as the USB
indicator:
– Steady green: The system has been
upgraded using the USB flash drive.
– Fast blinking: The system is being
upgraded using the USB flash drive.
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.
3 Chassis
281