Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 271
3.11.2.20 Configuring TDM and SDI Ports for HDLC Encapsulation
HDLC 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 only)
HDLC ports can be configured in access mode to support Hpipes on the above
cards. The encap-type must be set to hdlc.
Use the following CLI syntax to configure a T1/E1 port for HDLC.
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}
timeslots timeslots
mode {access}
no shutdown
exit
no shutdown
exit
exit
no shutdown
Use the config port info command to display the new port configuration information:
*A:ALU-A>config>port# info detail
----------------------------------------------
description "DS1/E1"
tdm
e1
shutdown
framing g704
no loopback
Note: HDLC encapsulation can be used on a port to transmit cHDLC frames into an Hpipe.
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