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T1/E1 & T3/E3 Commands
2-68 Configuring T1/E1 and T3/E3 Subsystems
interface serial
ThiscommandconfigurestheSerialinterfaceautomaticallycreatedbythecontrollercommand
inconjunctionwithT1/E1andT3/E3NIMoperations.TheT3moduleofferschannelstoPPPand
FrameRelayprotocolstacks.T3/E3Serialchannelsareconfiguredandmonitoredsimilartoserial
channelsprovisionedviaT1/E1andserialNIMs.Forfullandsub‐rateT3orE3mode,theportand
channelsettingis0only.
Syntax
interface serial {slot | card | port0 | channel0}
Mode
Interfaceconfiguration:XSR(config-if<Sxx>)#
Example
ThefollowingexampleconfiguresSerialinterface2/0:
XSR(config)#interface serial 2/0
XSR(config-if<S2/0>)#
international bit
For E3 controllers only
Thiscommandsetsbits6and8,respectively,ofsetIIintheE3frame.
Syntax
international bit {0 | 1}{0 | 1}
Syntax of the “no” Form
Thenoformofthiscommandsetstheinternationalbitstothedefault:
no international bit
Mode
Controllerconfiguration:XSR(config-controller xx)#
Default
•Firstinternationalbit:0
• Secondinternationalbit:0
slot
Slotnumberofasystemfrom0to6cardslots.Themotherboardisslotzero.Ifthe
slotnumberis0,itcanbeomitted.
card
DefinesNIMcardnumberinthecardslot:1or2.
port
DefinestheportnumberontheslotortheportnumberonaNIMcard,from0to3.
0 | 1
Valueofthe firstinternationalbitintheG.751frame.
1 | 1
Valueofthe secondinternationalbitintheG.751frame.