7705 SAR Interfaces
274
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
3.11.2.21 Configuring TDM and SDI Ports for Cisco HDLC
Encapsulation
Cisco HDLC (cHDLC) service can be configured on the following ports:
• 16-port T1/E1 ASAP Adapter card, version 2, on clear channel or fractional DS1
or E1 ports
• 32-port T1/E1 ASAP Adapter card on clear channel or fractional DS1 or E1 ports
• 12-port Serial Data Interface card on V.35 serial ports and X.21 serial ports (at
super-rate speeds)
Cisco HDLC ports can be configured in access mode to support Ipipes on the above
cards. The encap-type must be set to cisco-hdlc.
Use the following CLI syntax to configure a T1/E1 port for cHDLC.
Cisco HDLC ports cannot be configured if the mode is set to network.
CLI Syntax: port port-id
tdm
e1
channel-group channel-group-id
encap-type {atm | cem | ipcp |
ppp-auto | frame-relay | hdlc |
cisco-hdlc}
cisco-hdlc
down-count down-count
keep-alive time-interval
up-count up-count
timeslots timeslots
mode {access | network}
no shutdown
exit
no shutdown
exit
exit
no shutdown
Note: Cisco HDLC encapsulation cannot be used to transmit HDLC frames into an Ipipe.
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