Manual
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
Nortel Secure Router 8000 Series
____________________________________________________________________________ Configuration -WAN Access
Nortel Networks Inc.
Issue 5.3 (30 March 2009)ii