User manual

Release 2.2 Digium, Inc. Page 50
Chapter 4: Troubleshooting
3. Navigate to your zaptel source directory and type:
make tests
Followed by:
./patlooptest /dev/zap/1 60
The first argument in the patlooptest command is the device for 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 60 seconds. If you receive any failures,
it is possible you have a bad card and will need to call Digium
Technical Support at 1.256.428.6161
Common Fixes for all cards
1. Check for shared interrupts by entering the following:
cat /proc/interrupts
and
lspci -vb
If a conflict exists, try moving the card to another PCI slot.