R2511-HP MSR Router Series Interface Command Reference(V5)

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Use undo e1 set clock to restore the default.
Syntax
e1 line-number set clock { master | slave }
undo e1 line-number set clock
Default
The clock source for an E1 line on the CE3 interface is line clock.
Views
CE3 interface view
Default command level
2: System level
Parameters
line-number: E1 line number in the range of 1 to 16.
master: Adopts the internal clock as the clock source.
slave: Adopts the line clock as the clock source.
Usage guidelines
When the CE3 interface is operating in channelized mode, you can set separate clock for each E1 line
on it.
Examples
# Use the internal clock as the clock source on the first E1 line on interface E3 2/0.
<Sysname> system-view
[Sysname] controller e3 2/0
[Sysname-E3 2/0] e1 1 set clock slave
e1 set frame-format
Use e1 set frame-format to set framing format for an E1 line.
Use undo e1 set frame-format to restore the default.
Syntax
e1 line-number set frame-format { crc4 | no-crc4 }
undo e1 line-number set frame-format
Default
The framing format for an E1 line is no-CRC4.
Views
CE3 interface view
Default command level
2: System level
Parameters
line-number: E1 line number in the range of 1 to 16.