Network Router User Manual

Nortel Secure Router 8000 Series
Configuration -WAN Access 2 Serial interface configuration
Issue 5.3 (
30 March 2009) Nortel Networks Inc. 2-7
The system view appears.
Step 2 Run:
interface serial interface-number
The serial interface view appears.
Step 3 Run:
interface serial interface-number
The view of a specified serial interface appears.
Step 4 Run:
code nrzi
The command configures the link coding mode of the serial interface as nrzi.
If two synchronous serial interfaces are directly connecting, you must make consistent link
coding modes of the two interfaces. Otherwise, a data frame is decoded incorrectly and
discarded as a wrong frame.
By default, link coding mode of a serial interface is nrz.
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2.2.7 Configuring idle mark between frames
Do as follows on the routers:
Step 1 Run:
system-view
The system view appears.
Step 2 Run:
interface serial interface-number
The serial interface view appears.
Step 3 Run:
idle-mark
The command configures the idle mark between frames as 0xFF.
By default, the idle mark is 0x7E.
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2.2.8 Configuring the MTU
Do as follows on the routers:
Step 1 Run:
system-view