Numb
er
Indicator/
Button
Color
Description
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
LAN GE
electrical
interface
indicators
(GE0 to
GE3)
Green
Steady on: A link has been established on the
interface.
Off: No link is established on the interface.
Yellow
Blinking: Data is being transmitted or received on
the interface.
Off: No data is being transmitted or received on
the interface.
5
LAN 2.5GE
optical
interface
indicators
(GE4 to
GE5)
Green
Steady on: A link has been established on the
interface.
Blinking: Data is being transmitted or received on
the interface.
Off: No link is established or no data is being
transmitted or received on the interface.
Interface Description
Console interface
The console interface can connect to an operation terminal for onsite configuration.
lists console interface attributes.
Table 3-398
Console interface attributes
Attribute
Description
Connector type
RJ45
Standards compliance
RS232
Working mode
Full-duplex Universal Asynchronous
Receiver/Transmitter (UART)
Data equipment type
Data circuit-terminating equipment (DCE)
Cable type
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06)
Copyright © Huawei Technologies Co., Ltd.
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