R3303-HP HSR6800 Routers Interface Command Reference

76
[Sysname-Serial1/0/0] invert transmit-clock
Related commands
• invert receive-clock
• clock
itf
Use itf to set the number of interframe filling tags.
Syntax
itf number number
undo itf number
Default
The number of interframe filling tags is four.
Views
Synchronous serial interface view
Default command level
2: System level
Parameters
number number: Sets the number of interframe filling tags (an interframe filling tag is one byte in length).
The value is in the range of 0 to 14 bytes.
Examples
# Set the number of interframe filling tags to five.
<Sysname> system-view
[Sysname] interface serial 1/2/0
[Sysname-Serial1/2/0] itf number 5
loopback
Use loopback to enable loopback on the serial interface.
Use undo loopback to restore the default.
Syntax
loopback
undo loopback
Default
Loopback is disabled.
Views
Serial interface view
Default command level
2: System level