User`s guide

XSR User’s Guide 111
Chapter 6 Configuring a Synchronous Serial Interface
Configuring PPP
Figure 13 XSR Configuration with One Backup Dial Line to Different Sites
Configuring a Synchronous Serial Interface
Perform the following steps to configure a synchronous V.35 serial interface to
communicate with PPP:
1 Enter interface serial <card/port> to specify the interface.
XSR(config)#interface serial 1/0
2 Enter the media-type for the interface (default: RS232).
XSR(config-if<S1/0>)#media-type v35
3 Enter encapsulation ppp to enable PPP encapsulation.
XSR(config-if<S1/0>)#encapsulation ppp
Site B
Central Site
XSR
Primary link
Serial interface 1/1
Backup link
Primary link
Serial interface 1/0
PSTN