Code - H3C MSR 20-20 Command Reference Manual

114 C 2: IMA-E1/T1 I
HAPTER
Description
Example

code

Syntax
View
Parameter
Description
C C
NTERFACE ONFIGURATION OMMANDS
slave: Sets the clock mode as slave.
Use the clock command to set the clock mode for an ATM E1/T1 interface.
Use the
undo clock
mode.
For ATM E1/T1 interfaces operating as DCEs, set the clock mode to master. For
interfaces operating as DTEa, set the clock mode to slave.
When the ATM interfaces on two routers are connected directly through a
fiber-optic cable, set the clock mode to master at one end and to slave at the other
end.
# Set the clock mode of ATM E1/T1 interface 5/0 to master.
<Sysname> system-view
[Sysname] interface atm 5/0
[Sysname-Atm5/0] clock master
In ATM E1 interface view:
code { ami | hdb3 }
In ATM T1 interface view:
code { ami | b8zs }
undo code
ATM E1/T1 interface view
ami: Sets the ATM E1/T1 line coding format as AMI.
hdb3: Sets the ATM E1/T1 line coding format as HDB3.
b8zs: Sets the ATM E1/T1 line coding format as B8ZS.
Use the command to set the line coding format for an ATM E1/T1 interface.
code
Use the
undo code
By default, the line coding format of an ATM E1 interface is HDB3, and that of an
ATM T1 interface is B8ZS.
Use the command to set the line coding format for an ATM E1/T1 interface.
code
Use the undo code
command to restore the default, that is, the slave clock
command to restore the default line coding format.
command to restore the default line coding format.