Example 2: Configuring Interfaces in SDH Mode

The following example illustrates how to configure fractional E1 and unframed E1 lines in SDH mode, as shown in Figure 12.

Figure 12: Configuring Fractional E1 and Unframed E1 in SDH Mode

1. Select an OC-12 SONET controller.

   host1(config)#controller sonet 4/0

2. Switch to SDH mode.

   host1(config-controller)#sdh

3. Configure four STM-1 paths. An OC-12 interface has four STM-1 paths.

   host1(config-controller)#path 10 stm1 1

   host1(config-controller)#path 20 stm1 2

   host1(config-controller)#path 30 stm1 3

   host1(config-controller)#path 40 stm1 4

4. Configure a TU-12 on TUG-2 #7 on TUG-3 #2 of path 10.

   host1(config-controller)#path 10 e1 2/7/1 tu12

5. Configure a TU-12 on TUG-2 #5 on TUG-3 #2 of path 10.

   host1(config-controller)#path 10 e1 2/5/2 tu12

6. Configure a fractional E1 line on tributary 2/7/1 of path 10.

   host1(config-controller)#path 10 e1 2/7/1 channel-group 1 timeslots 2-5

7. Configure an unframed E1 line on tributary 2/5/2 of path 10.

   host1(config-controller)#path 10 e1 2/5/2 unframed

8. Configure a TU-12 on TUG-2 #4 on TUG-3 #1 of path 30.

   host1(config-controller)#path 30 e1 1/4/1 tu12

9. Configure an unframed E1 line on tributary 1/4/1 of path 30.

   host1(config-controller)#path 30 e1 1/4/1 unframed

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