Table 3-391
Description of the indicators on the AR550-24FE-D-H
Num
ber
Indicato
r/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.
491