User manual

CAS Tone Duration: 80 ms (default)
Range: 70 - 90 ms in 5 ms increments
Wait for ACK: 160 ms (default)
Range: 100 - 300 ms in 5 ms increments
Line Impairments
Echo
Time:
Level:
Congurable Range:
Level Accuracy:
Selectable from 0 ms to 100 ms
60 dB (default)
4 - 60 dB in 1 dB increments
± 1 dB
Satellite Delay
0 - 1000 ms in 1 ms increments
White Noise
Range:
Level Accuracy
300 - 3400 Hz
± 2 dB
Audio Output Port (Monitoring)
Connector:
Output Impedance:
Frequency response:
Amplication:
3.5 mm mono audio plug
600 Ohm
300 - 3400 Hz
-90 to +30 dB in 0.01 dB increments
Audio Input Port (Music on Hold)
Connector:
Output Impedance:
Amplication:
3.5 mm mono audio plug
600 Ohm
-90 to +30 dB in 0.01 dB increments
9. Chapter 9: Glossary of Terms
AMI (Alternate Mark Inversion)
Alternate "1" bits have their polarity reversed (between + and - 3 volts). Also, between two successive "1"s, the
voltage briey pauses at 0. Most often used if framing mode is SF/D4.
B8ZS (Binary 8 Zero Substitution)
Method of maintaining density of "1"s on the line by deliberately inserting "bipolar violations". Most often used if
framing mode is ESF.
Busy Tone
A tone advising the caller that the telephone number is busy.
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User Manual
Public Switched Telephone Network (PSTN) Simulators