Mitel 3300 Technician's Handbook page 185

- Digital Trunk Assignment.
- DS1 Trunk Circuit Descriptor
- Digital CO Trunk Circuit Descriptor Assignment.
- Digital DID Trunk Circuit Descriptor Assignment.
- Digital E&M Trunk Circuit Descriptor Assignment.
- Digital Link Assignment.
- Link Descriptor Assignment.
• Backplane cable connections (or bent pins on
backplane and inside shelf).
• DS1 card switch settings.
• DS1 software (reload by using the LOAD command).
• DS1 card.
• DS1 interface assembly.
• Peripheral switch or circuit switch.
Tips:
• Maintenance will take a link out of service if it
demonstrates poor performance over a
24-hour period. To obtain an indication of a
link's performance over a 24 hour period, use
the command: "DTSTATS READ x x x x LAST
24" (where x x x x is the cabinet, slot, shelf, link
of the card).
• For the STATE command: if state is "suspect",
suspect faulty card or problem with 12-volt
power. If state is "not seizable", suspect 24
hour limit exceeded, relay stuck closed (test
using the TEST HYBRID command), or faulty
programming. The card will also appear "not
seizable" for a short period after being
installed.
Troubleshooting
167