Numb
er
Indicator Color Description
3 USB Red and
green
l Off: No USB flash drive is connected to the
router, the USB interface has failed, or the USB
indicator has failed.
l Steady green: The system has been upgraded or
configured using a USB flash drive.
l Blinking green: The system is reading data from
the USB flash drive.
l Steady red: The router fails to connect to or
register with the network management system.
l Blinking red: An error has occurred when the
system is executing the configuration file or
reading data from the USB flash drive.
4 PPP Green
l Steady on: A PPP connection has been set up.
l Off: No PPP connection is established.
5 VPN Green
l Steady on: A VPN connection has been
established.
l Off: The VPN service is unavailable.
6 4G Green
l Steady on: The 4G signal strength is high.
l Fast blinking: The 4G signal strength is medium.
l Slow blinking: The 4G signal strength is low.
l Off: No 4G signal is available.
7 3G/2G Green
l Steady on: The 3G/2G signal strength is high.
l Fast blinking: The 3G/2G signal strength is
medium.
l Slow blinking: The 3G/2G signal strength is low.
l Off: No 3G/2G signal is available.
8 WWAN Green
l Steady on: A 4G/3G/2G connection has been
established and is active.
l Blinking: Data is being transmitted or received
over the 4G/3G/2G connection.
l Off: The 4G/3G/2G connection has not been
established or is inactive.
9 VDSL Green
l Steady on: A link has been established on the
VDSL interface.
l Blinking: Data is being transmitted or received
on the VDSL interface.
l Off: No link is established on the VDSL
interface.
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 316
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