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Specifications for Trunk Operation
The following are the specifications for proper trunk operation:
Loop Resistance
Maximum:
2450 OHMS
DTMF Signal Detection
Minimum level:
-32 DBM
Maximum level:
-2 DBM
Minimum ON time:
50 ms
Minimum interdigit time:
50 ms
Rotary Pulse Detection
8 to 12 pulses per second
42% to 84% break
Minimum interdigit time:
300 ms
Wink Start
Wink interval:
200 ms
Occurrence after seizure:
110 ms
Delay Dial
Delay dial signal interval:
200 ms
Occurrence after seizure:
110 ms
Toshiba VP Systems
Release 6.1
February, 1993
11-14
Installation and Maintenance Manual
Summary of Contents for VP 300
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