Figure 3-41 Indicators on the AR503GW-Lo
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.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 252
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