Huawei Technologies Proprietary
4-11
Switch. For the cable pinouts, please refer to Low-End and Mid-Range Series
Routers Cable Manual.
2) Check the LAN LED on front panel of the Router. ON means the link is connected.
4.8 Connecting Router to the WAN
Quidway AR 28 Series Routers provide multiple types of WAN interfaces, and the fixed
WAN interfaces include an AUX port and a WAN interface (synchronous/asynchronous
serial interface). This section describes the connection of the two interfaces. For the
connection of WAN interface provided by the SIC/MIM, refer to the Low-End and
Mid-Range Series Routers Interface Card and Interface Module Manual.
4.8.1 Connecting the AUX port to the Modem
I. Introduction to the AUX port
As an RS232-compliant asynchronous serial interface, the AUX port can be used as
the backup of other WAN interface in the dial-up mode. In the event that the console
port fails, the AUX port can serve as a console port. For the attributes of the AUX port,
please refer to
Table 4-7.
Table 4-7 Attributes of the AUX port
Attribute Description
Connector RJ-45
Interface standard RS232
Baud rate 300 bps to 115,200 bps
Function
Modem dial-up
Backup
Operating as the console port when the CON fails
Protocol
PPP
SLIP
MP
II. AUX cable
AUX cable is an 8-core shielded cable. One end of the cable is an RJ-45 connector,
which can be plugged into the AUX port of the device. The other end is furnished at the
same time with a DB-9 (male) connector and a DB-25 (male) connector. The user can
choose either of them to plug into the serial port of Modem as needed.
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