User Guide
DVS-21
02/2018
• V.1.0 • L. Wolle
58/131
© 2017 ProCom
®
Professional Communication & Service GmbH • Technical changes reserved.
7.15 USE2
The Module supports various operation modes as used in analog telephony. The most important
functions are feeding and the generation/detection of DTMF, pulse dialing and ringtone.
Operation mode
PBX
Telephone interface with feed to switch on telephone devices
Level incoming
AF input amplification (from external device to module)
Level outgoing
AF output output attenuation (from module to external device)
Number of suffix digits
Number of DTMF suffix digits
Speech timer
Time after which the connection is disconnected compulsorily
Backplane connectors:
T a/b - Line
Operation mode Telephone subscriber
Telephone subscriber operating on exchange or telephone system
Level incoming
AF input amplification (from external device to module)
Level outgoing
AF output output attenuation (from module to external device)
No. of calls
Number of rings until pick-up
Number of suffix digits
Number of DTMF suffix digits
Speech timer
Time after which the connection is disconnected compulsorily
Backplane connectors:
T a/b - Line
