User manual

Nortel Secure Router 8000 Series
Configuration -WAN Access
ii
Nortel Networks Inc.
Issue 5.3 (30 March 2009)
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
3 E-Carrier and T-carrier interface configuration ...................................................................3-1
3.1 Introduction .................................................................................................................................................3-2
3.1.1 E-carrier and t-carrier........................................................................................................................3-2
3.1.2 Related concepts................................................................................................................................3-2
3.1.3 Introduction to E1 interface...............................................................................................................3-3
3.1.4 Introduction to CE1 interface............................................................................................................3-3
3.1.5 Introduction to CT1 interfaces ..........................................................................................................3-4
3.1.6 Introduction to CE3 Interfaces ..........................................................................................................3-5
3.2 Configuring E1 interfaces............................................................................................................................3-5
3.2.1 Establishing the configuration task ...................................................................................................3-5
3.2.2 Configuring working mode of E1 interface.......................................................................................3-6
3.2.3 Configuring coding or decoding format of E1 interface....................................................................3-6
3.2.4 Configuring clock mode of E1 interface ...........................................................................................3-7
3.2.5 Configuring timeslot binding of E1 interface....................................................................................3-8
3.2.6 Configuring cable mode of E1 interface............................................................................................3-8
3.2.7 Checking the configuration ...............................................................................................................3-9
3.3 Configuring CE1 interfaces.........................................................................................................................3-9
3.3.1 Establishing the configuration task ...................................................................................................3-9
3.3.2 Configuring working mode of CE1 interface..................................................................................3-10
3.3.3 Configuring coding or decoding format of CE1 interface...............................................................3-11
3.3.4 Configuring clock mode of CE1 interface.......................................................................................3-12
3.3.5 Configuring frame format of CE1 interface ....................................................................................3-12
3.3.6 Configuring timeslot binding of CE1 interface ...............................................................................3-13
3.3.7 Configuring cable mode of CE1 interface.......................................................................................3-13
3.3.8 Checking the configuration .............................................................................................................3-14
3.4 Configuring CT1 interfaces.......................................................................................................................3-14
3.4.1 Establishing the configuration task .................................................................................................3-15
3.4.2 Configuring working mode of CT1 interface..................................................................................3-16
3.4.3 Configuring coding or decoding format of CT1 interface...............................................................3-16
3.4.4 Configuring clock mode of CT1 interface.......................................................................................3-17
3.4.5 Configuring frame format of CT1 interface ....................................................................................3-17
3.4.6 Configuring timeslot binding of CT1 interface ...............................................................................3-18