R0106-HP MSR Router Series Interface Command Reference(V7)
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e1 frame-format
Use e1 frame-format to set the framing format for an E1 line.
Use undo e1 frame-format to restore the default.
Syntax
e1 line-number frame-format { crc4 | no-crc4 }
undo e1 line-number frame-format
Default
The framing format for an E1 line is no-CRC4.
Views
CE3 interface view
Predefined user roles
network-admin
Parameters
line-number: Specifies an E1 line number in the range of 1 to 16.
crc4: Sets the frame format to CRC4.
no-crc4: Sets the frame format to no-CRC4.
Usage guidelines
Configure this command only when the specified E1 line is operating in framed mode. To set an E1 line
to operate in framed mode, use the undo e1 unframed command.
Examples
# Set the framing format to CRC4 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 frame-format crc4
Related commands
e1 unframed
e1 loopback
Use e1 loopback to enable a type of loopback on an E3 interface.
Use undo e1 loopback to restore the default.
Syntax
e1 line-number loopback { local | payload | remote }
undo e1 line-number loopback
Default
Loopback is disabled on E1 lines.
Views
CE3 interface view