R2511-HP MSR Router Series Voice Configuration Guide(V5)
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powered off and the clock mode of interface 6/0 is set to line primary, the clock mode of interface 5/0
will be restored to internal, instead of being line primary, if the FIC is re-inserted.
NOTE:
The line clock source and internal clock source are referred to as slave and master clock modes in some
features.
Configure a TDM clock source
To configure a TDM clock source for E1 interfaces:
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter E1 interface view.
controller e1 slot-number N/A
3. Configure a TDM clock source
for the E1 interface.
tdm-clock { internal | line
[ primary ] }
Optional.
By default, the TDM source clock
for E1 interfaces is the internal
clock.
Configuring the framing format and line coding format
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter E1 interface view.
controller e1 slot-number N/A
3. Configure the framing format.
frame-format { crc4 | no-crc4 }
Optional.
The default is non-CRC4.
4. Configure the line coding
format.
code { ami | hdb3 }
Optional.
The default is HDB3.
For more information about the controller e1, frame-format, and code commands, see Interface
Command Reference.
Creating a TS set
Step Command Remarks
1. Enter system view.
system-view N/A
2. Enter E1 interface view.
controller e1 slot-number N/A
3. Create a TS set according to
the selected signaling mode.
timeslot-set ts-set-number
timeslot-list timeslots-list signal
{ e&m-delay | e&m-immediate |
e&m-wink | fxo-ground |
fxo-loop | fxs-ground | fxs-loop |
r2 }
By default, no TS set is configured.
4. Enter CAS view.
cas ts-set-number N/A










