An FE 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.
l The FE electrical interface (10/100 Mbit/s auto-sensing) transmits and receives services
at 10 Mbit/s or 100 Mbit/s.
l The FE optical interface (100 Mbit/s) transmits and receives services at 100 Mbit/s.
NOTE
l In V200R008C30 and earlier versions, a combo interface works as an electrical interface and uses a
network cable to transmit and receive data by default.
l In V200R008C50 and later versions, a combo interface works in auto mode and automatically works
as an optical or electrical interface by default.
GE optical interface
A GE optical interface transmits and receives Ethernet services at 1000 Mbit/s. Table 3-337
lists GE optical interface attributes.
Table 3-337 GE optical interface attributes
Attribute
Description
Connector type SFP
Standards compliance IEEE802.3z
Rate 1000 Mbit/s
Cable type
l Optical fiber (inserted in an optical
module) and GE Optical Module
l 6.6 Ethernet Cable and GE Copper
Module
USB interface
Do not remove the USB flash drive during a USB-based deployment. Otherwise, the system
will restart.
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 3-338 lists USB interface attributes.
Table 3-338 USB interface attributes
Attribute
Description
Connector type TYPE-A
Huawei
AR500&AR510&AR531&AR550&1500&AR2500
Industrial Switch Routers
Hardware Description
3 Chassis
Issue 10 (2019-03-06) Copyright © Huawei Technologies Co., Ltd. 441
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