Table 3-384 Description of the indicators on the AR550-8FE-D-H
Numb
er
Indicator
/Button
Color Description
1 ALM Red
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.
2 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 green: The system has been upgraded
using the USB flash drive.
– Fast blinking: The system is being upgraded
using the USB flash drive.
3 SETUP
NOTE
This is a
reserved
hardware
interface
and
cannot be
used as a
button
now.
- -
4 LAN FE
interface
indicators
Green
l Steady on: The corresponding LAN FE interface
is in Link-Up state.
l Off: The corresponding LAN FE interface is in
Link-Down state.
l Blinking: The corresponding LAN FE interface
is transmitting or receiving data.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 483
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