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T1/E1 Digital Voice Port Adapter Installation and Configuration
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Chapter 4 Configuring the PA-VXA, PA-VXB, and PA-VXC
Checking the Configuration
Cisco 7401ASR Routers:
Router# config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)# controller E1 1/0
Router(config-controller)# loopback local payload
Cisco 7500 Series Routers:
Router# config t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)# controller E1 2/2/0
Router(config-controller)# loopback local payload
In the preceding examples, the loopback local command loops the incoming signal back to the line.
