Fe1 Frame-Format; Fe1 Loopback - H3C MSR 20-20 Command Reference Manual

234 C 14: E1-F I
HAPTER
View
Parameter
Description
Example

fe1 frame-format

Syntax
View
Parameter
Description
Example

fe1 loopback

Syntax
C C
NTERFACE ONFIGURATION OMMANDS
undo fe1 detect-ais
E1-F interface view
None
Use the fe1 detect-ais
Use the
undo fe1 detect-ais
By default, AIS test is performed.
# Enable AIS test on E1-F 2/0 interface.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] fe1 detect-ais
fe1 frame-format { crc4 | no-crc4 }
undo fe1 frame-format
E1-F interface view
crc4: Sets framing format to CRC4.
no-crc4: Sets framing format to no-CRC4.
Use the
fe1 frame-format
E1-F interface.
Use the
undo fe1 frame-format
no-CRC4.
An E1-F interface in framed mode supports both CRC4 and no-CRC4 framing
formats, where CRC4 supports four-bit CRC on physical frames while no-CRC4
does not.
# Set the framing format of E1-F interface Serial 2/0 to CRC4.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] fe1 frame-format crc4
fe1 loopback { local | payload | remote }
command to enable AIS test on an interface.
command to disable AIS test.
command to configure the framing format of the
command to restore the default, that is,