Datasheet

12 Release 11.1 CA
Command Reference
national bit
To set the E3 national bit in the G.751 frame used by the PA-E3 port adapter, use the national bit
interface configuration command. To return to the default E3 national bit, use the no form of this
command.
national bit {0 | 1}
no national bit
Syntax Description
Default
0 national bit
Command Mode
Interface configuration
Usage Guidelines
This command first appeared in Cisco IOS Release 11.1 CA.
The national bit command sets Bit 12 in the E3 frame.
To verify the national bit configured on the interface, use the show controller serial EXEC
command.
Example
The following example sets the national bit to 1 on the PA-E3 port adapter in slot 1, port adapter slot
0, interface 0:
interface serial 1/0/0
national bit 1
Related Commands
international bit
show controllers serial
0 | 1 Specifies the E3 national bit in the G.751 frame. The default is 0.