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[Sysname] interface serial 2/0/0/0:0
[Sysname-Serial2/0/0/0:0] crc 32
# Apply 16-bit CRC to a serial interface formed on interface CT3 2/0/0 in channelized mode.
<Sysname> system-view
[Sysname] controller t3 2/0/0
[Sysname-T3 2/0/0] t1 2 channel-set 4 timeslot-list 5-11
[Sysname-T3 2/0/0] quit
[Sysname] interface serial 2/0/0/2:4
[Sysname-Serial2/0/0/2:4] crc 16
Related commands
t1 channel-set
t1 unframed
using

display controller t3

Use display controller t3 to display state information about one specified or all CT3 interfaces.
Syntax
display controller t3 [ interface-number ] [ | { begin | exclude | include } regular-expression ]
Views
Any view
Default command level
1: Monitor level
Parameters
interface-number: CT3 interface number. In conjunction with the t3 keyword, it specifies a CT3 interface.
|: Filters command output by specifying a regular expression. For more information about regular
expressions, see Fundamentals Configuration Guide.
begin: Displays the first line that matches the specified regular expression and all lines that follow.
exclude: Displays all lines that do not match the specified regular expression.
include: Displays all lines that match the specified regular expression.
regular-expression: Specifies a regular expression, a case-sensitive string of 1 to 256 characters.
Usage guidelines
In addition to the state information about the CT3 interface, the command displays information about
each T1 line on the CT3 interface if the interface is working in CT3 mode.
Examples
# Display information about interface T3 2/0/0.
<Sysname> display controller t3 2/0/0
T3 2/0/0 current state :UP
Description : T3 2/0/0 Interface
Link delay is 8(sec)
Basic Configuration:
166

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