Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 251
The following is an example of an FXS channel group configuration:
ALU-A>config# port 1/6/1
ALU-A>config>port# voice
ALU-A>config>port>voice# fxs
ALU-A>config>port>voice>fxs>channel-group 1
ALU-A>config>port>voice>fxs>channel-group# mode access
ALU-A>config>port>voice>fxs>channel-group# encap-type cem
ALU-A>config>port>voice>fxs>channel-group# no shutdown
config>port>voice>fxs>channel-group# exit
config>port>voice>fxs# no shutdown
config>port>voice>fxs# exit
config>port>voice# exit
config>port# no shutdown
config>port# exit
config#
Services can now be applied to the configured channelized ports.
3.11.2.10 Configuring Fractional T1/E1 Ports for PPP Encapsulation
A T1 or E1 port can be configured to provide a subrate PPP service. That is, by using
a channel group, the PPP service can be assigned to a subset of the timeslots that
are available on the T1 or E1 port. Only one channel group can be configured per
port for subrate PPP.
The following cards and platforms support fractional T1/E1 on a PPP channel group
(encapsulation type ppp-auto), or all timeslots on T1/E1 ports, in network mode:
• 16-port T1/E1 ASAP Adapter card
• 32-port T1/E1 ASAP Adapter card
• T1/E1 ports on the 4-port T1/E1 and RS-232 Combination module (on
7705 SAR-H)
• T1/E1 ports on the 7705 SAR-A (variants with T1/E1 ports)
• T1/E1 ports on the 7705 SAR-M (variants with T1/E1 ports)
• T1/E1 ports on the 7705 SAR-X
You must then change the value of the timeslot configuration to specify the number
of timeslots you want to use. Any timeslots not selected cannot be used.
Use the following CLI syntax to configure a T1/E1 port for fractional T1/E1.
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