Nortel DMS-100 Series Maintenance Manual page 70

1-54 Maintenance overview
Line conditions for operator verification
Line condition
Busy line
Line verification in
progress
297-8231-550 Standard 09.01 August 1998
(continued)
Characteristics
Line is traffic busy, voice
and voice/data, simple
line
Line up to permanent
announcement or
receiver off-hook (ROH)
tone
Line up to temporary
tone or announcement
System rings line
Line in hunting with an
idle line in the group
Line in hunting all the
lines in the group are
busy
Data-only line
Line activated with
custom calling feature
Line becomes idle during
verification
—continued—
DMS response
Access connection is complete.
Operating company personnel
can hear conversation, quiet
line, reorder, busy tone,
announcement, or other
indications that the line is traffic
busy.
Note: The data signals are not
reliable after verification
because of conference port use.
The line option:
NO DOUBLE CONNECTION
(NDC),
does not allow tests and
verificaiton if the line is busy.
Permanent signal tone
Same as traffic busy common
line
Operator receives busy tone (60
ipm)
Normal access connection
made. Tone and ringing are not
present.
Same as traffic busy common
line
Verification denied. Busy tone
(60 ipm)
Operator receives busy tone
(60 ipm)
No-test-access connection
dropped. Normal access
connection retained