Zhone IMACS 8000 User Manual page 401

FXS Card
4. At your end, go to the FXS Card Main Screen and send a digital milliwatt test tone (0
dBm) toward the CPE. If you still don't receive a signal, check the cabling from the FXS
card to your CPE, and check the CPE itself. If those items are okay, replace the FXS card
at your end.
5. If the FXS card is determined to be faulty, replace it and return the faulty unit for repair
to the location specified by your distributor.
Voice Cards
FXS Card Troubleshooting
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