Numb
er
Indicator/
Button
Color Description
1 DC1/DC2 Green Steady on: DC power socket DC1/DC2 is
receiving power supply normally.
Off: DC power socket DC1/DC2 cannot receive
power supply normally or the router is not
powered on.
2 RUN Green When no USB flash drive is connected to the
router, the RUN indicator works as the system
indicator:
l Off: The system software is not running or is
resetting.
l Slow blinking: The system is running properly.
l Fast blinking: The system is powering on or
restarting.
When a USB flash drive is connected to the router,
the RUN indicator works as the USB indicator:
l Steady on: USB-based deployment has been
completed.
l Fast blinking: The system is being upgraded or
configured using the USB flash drive.
3 ALM Red When no USB flash drive is connected to the
router, the ALM indicator works as the system
indicator:
l Steady on: A system fault has occurred and
requires manual intervention.
l Off: The system is running properly.
When a USB flash drive is connected to the router,
the ALM indicator works as the USB indicator:
Steady on: USB-based deployment has failed.
4 GE
electrical
interface
indicators
(GE0 to
GE7)
Green Steady on: A link has been established.
Blinking: Data is being transmitted over the link.
Off: No link is established or no data is being
transmitted on the link.
5 GE optical
interface
indicators
(GE6 to
GE7)
Green Steady on: A link has been established.
Blinking: Data is being transmitted over the link.
Off: No link is established or no data is being
transmitted on the link.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 513
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