Huawei AR500 Series Hardware Description page 494

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
Table 3-384 Description of the indicators on the AR550-8FE-D-H
Numb
er
1
2
3
4
Issue 10 (2019-03-06)
Indicator Color
/Button
ALM Red
RUN Green
SETUP -
NOTE
This is a
reserved
hardware
interface
and
cannot be
used as a
button
now.
LAN FE Green
interface
indicators
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 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.
-
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.
3 Chassis
483