Huawei AR500 Series Hardware Description page 542

Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
The USB interface supports USB 2.0 devices and provides upload and download speeds of
480 Mbit/s. You can use the USB interface to upload or download configuration and
application files to the flash memory.
Table 3-435 USB interface attributes
Attribute
Connector type
Standards compliance
Working mode
GE combo interface
A GE combo interface consists of an optical Ethernet interface and an electrical Ethernet
interface on the panel. The two interfaces have only one internal forwarding interface. The
electrical and optical interfaces are multiplexed, and only one of them can work at a time.
When one of the Ethernet interfaces is working, the other interface is shut down.
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DO interface
The DO interface provides output signals to instruct the connected device to perform required
actions.
Table 3-436 DO interface attributes
Attribute
Connector type
Signal type
Cable type
ETH interface
The ETH interface is used to log in to the router to perform configuration and management.
Table 3-437
Table 3-437 ETH interface attributes
Attribute
Connector type
Issue 10 (2019-03-06)
The GE electrical interface (10/100/1000 Mbit/s auto-sensing) transmits and receives
services at 10 Mbit/s, 100 Mbit/s, or 1000 Mbit/s.
The GE optical interface (100/1000 Mbit/s auto-sensing) transmits and receives services
at 100 Mbit/s or 1000 Mbit/s.
Table 3-436 describes DO interface attributes.
lists ETH interface attributes.
Copyright © Huawei Technologies Co., Ltd.
Table 3-435 lists USB interface attributes.
Description
TYPE-A
USB 2.0
Host
Description
3-pin Phoenix terminal block
Passive DO, Boolean value (short circuit
and open circuit)
6.2.2 3-Pin Phoenix Connector (DO)
Description
RJ45
3 Chassis
531