R0106-HP MSR Router Series Interface Command Reference(V7)

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number of bundled timeslots. This interface has the same logical features as a standard synchronous
serial interface. You can configure this serial interface in the same way you configure a standard
synchronous serial interface.
Examples
# Create a 128-kbps serial interface on E1 channel 1 on E3 2/4/0.
<Sysname> system-view
[Sysname] controller e3 2/4/0
[Sysname-E3 2/4/0] e1 1 channel-set 1 timeslot-list 1,2
Related commands
e1 unframed
e1 clock
Use e1 clock to set the clock mode an E1 line on a CE3 interface.
Use undo e1 clock to restore the default.
Syntax
e1 line-number clock { master | slave }
undo e1 line-number clock
Default
The clock mode for an E1 line on a CE3 interface is slave.
Views
CE3 interface view
Predefined user roles
network-admin
Parameters
line-number: Specifies an E1 line number in the range of 1 to 16.
master: Sets the clock mode to master.
slave: Sets the clock mode to slave.
Usage guidelines
When the clock mode of an E1 line is master, it uses the internal clock source.
When the clock mode of an E1 line is slave, it uses the line clock source.
When the CE3 interface is operating in channelized mode, you can set a separate clock mode for each
E1 line on it.
Examples
# Set the clock mode to slave for E1 line 1 on E3 2/4/0.
<Sysname> system-view
[Sysname] controller e3 2/4/0
[Sysname-E3 2/4/0] e1 1 clock slave