User manual

Nortel Secure Router 8000 Series
Configuration -WAN Access
Issue 5.3 (
30 March 2009) Nortel Networks Inc. i
Contents
2 Serial interface configuration ..................................................................................................2-1
2.1 Introduction...................................................................................................................................................2-2
2.1.1 Synchronous serial interface................................................................................................................2-2
2.1.2 HSSI interface......................................................................................................................................2-2
2.2 Configuring the synchronous serial interface................................................................................................2-3
2.2.1 Establishing the configuration task ......................................................................................................2-3
2.2.2 Configuring link layer protocol type....................................................................................................2-4
2.2.3 Configuring baud rate ..........................................................................................................................2-4
2.2.4 Configuring clock inversion.................................................................................................................2-5
2.2.5 Configuring DCD or DSR signal detection..........................................................................................2-5
2.2.6 Configuring link coding mode.............................................................................................................2-6
2.2.7 Configuring idle mark between frames................................................................................................2-7
2.2.8 Configuring the MTU ..........................................................................................................................2-7
2.2.9 Configuring the parity bit.....................................................................................................................2-8
2.2.10 Checking the configuration................................................................................................................2-9
2.3 Configuring the HSSI interface...................................................................................................................2-10
2.3.1 Establishing the configuration task ....................................................................................................2-10
2.3.2 Configuring the link layer protocol....................................................................................................2-10
2.3.3 Configuring the MTU ........................................................................................................................2-11
2.3.4 Configuring the parity bit...................................................................................................................2-11
2.3.5 Configuring the loopback mode.........................................................................................................2-12
2.3.6 Checking the configuration................................................................................................................2-12
2.4 Maintaining serial interface.........................................................................................................................2-12
2.4.1 Resetting interface statistics...............................................................................................................2-12
2.4.2 Setting loopback to detect whether the interface is normal................................................................2-13