Mitel 3300 Technician's Handbook page 186

Technician's Handbook
168
• For the DTSTATS command: if "sync is
absent", suspect faulty cabling, problem at the
far end, or directed testing being performed at
the far end. Otherwise, no sync coupled with
directed hybrid test passing indicates cabling
problem.
• When the card is reloaded or removed, all calls
using any channel on the card will be dropped.
• If one channel on one card is faulty, and does
not affect traffic, it is not necessary to replace
the card. The channel may be busied out using
the BUSY command.
• For the DTSTATS command: if "sync is
absent", suspect faulty cabling, problem at the
far end, or directed testing being performed at
the far end. Otherwise, no sync coupled with
directed hybrid test passing indicates cabling
problem.
• When the card is reloaded or removed, all calls
using any channel on the card will be dropped.
• If one channel on one card is faulty, and does
not affect traffic, it is not necessary to replace
the card. The channel may be busied out using
the BUSY command.