Digium TE820 User Manual download pdf (Page 57)

Chapter 4: Troubleshooting

Or if you have an E1 span:

span => 1,0,0,ccs,hdb3

clear = 1-31

Navigate to the tools/ directory in your DAHDI complete source

directory and type:

# make tests

Followed by:

# ./patlooptest <channel> <timeout>

The first argument in the patlooptest command is the channel number

you want to test. You should always test the first channel of a span.

The second argument is the duration in seconds to run the test.

This runs a pattern looptest for x seconds. If you receive any failures, it

is possible you have a bad card and will need to call Digium Technical

Support (+1.256.428.6161)

If the dahdi_maint utility was used to place a span into loopback

mode, execute the following command to turn off loopback mode for

that span.

# dahdi_maint -s <span_number> -l off

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Digium TE820 User Manual Page 57