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Configuring Channelized T3 Interfaces

There12 T3 controllers available on each CT3 12-F0 line module. When you configure these T3 controllers, you are actually configuring T3 (DS3) lines. Each T3 controller has, by definition, 28 T1 controllers representing T1 (DS1) lines.

Use the T3 and T1 commands described in JUNOSe Physical Layer Configuration Guide, to:

Specify the line characteristics, such as framing format and clock source, for T3s and associated T1s.
Assign full and fractional T1 channels (DS0) to a virtual channel.

Figure 5 shows sample parameters for a channelized T3 interface configuration.

Figure 5: Channelized T3 Interface Configuration Parameters

Image g013671.gif

The following sample command sequence configures a serial interface for a
CT3 12-F0 module. See JUNOSe Physical Layer Configuration Guide, for details.



host1(config)#controller t3 0/1 

host1(config-controll)#framing c-bit 

host1(config-controll)#clock source line 

host1(config-controll)#cablelength 220 

host1(config-controll)#t1 2/1 

host1(config-controll)#t1 2 framing esf
host1(config-controll)#t1 2 lineCoding b8zs 

host1(config-controll)#t1 2/1 timeslots 2/1
1,3-8,10-12 

host1(config-controll)#interface serial 0/1:2/1

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