Numbe
r
Indicator Color Description
10 SYS Red and
green
Slow blinking green: The system is running
properly.
Fast blinking green: The system is powering on
or restarting.
Steady red: A fault that affects services has
occurred. The fault cannot be rectified
automatically and requires manual
intervention.
Off: The system software is not running or is
resetting.
Interface Description
Console interface
The console interface of a router can connect to an operation terminal for onsite configuration.
Table 3-119 lists attributes of the console interface.
Table 3-119 Console interface attributes
Attribute
Description
Connector type Micro USB, B socket
Standards compliance USB 2.0
Working mode Full-duplex Universal Asynchronous Receiver/
Transmitter (UART)
Cable type Micro USB data cable
LTE antenna interface
LTE antenna interfaces of a router include a MAIN interface (for the primary antenna) and a
DIV interface (for the secondary antenna). The primary and secondary antennas work
together. The primary antenna transmits and receives LTE signals, and the secondary antenna
helps improve the quality of received LTE signals. Table 3-120 lists LTE antenna interface
attributes.
Table 3-120 LTE antenna interface attributes
Attribute
Description
Connector type SMA-K (screw threads outside and a hole inside)
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 211
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