Nortel Networks M3310 - Manual (Page 226)

226 Digital Telephone IP Adapter Installation and Administration Guide
Troubleshooting Standard 2.1
Recovering from a catastrophic failure
Catastrophic failure is defined as a failure of the equipment to operate after
review of all troubleshooting information and implementation of appropriate
procedures.
If your Digital Telephone IP Adapter unit fails to operate after thorough review
of the troubleshooting information in this and related Guides, consult your
Nortel distributor for hardware replacement.