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Programming PABX Interface
Description, Installation, Operations, and Maintenance Manual
Federal Signal www.fedsig.com
3. Configure Detect Caller Hang Up values. If the On DTMF Key check box is selected,
enter the DTMF key desired.
4. Configure Abort Call. If the On DTMF Key check box is selected, enter the DTMF
key desired.
5. Set option to Skip Welcome. If the On DTMF Key check box is selected, enter the
DTMF key desired.
6. From the Zone Selection section, select zones for available PABX broadcasts.
15.3 Analog Extension Mode
The call is set up by the PABX sending a ringing signal, and the PAGASYS interface
responding to that by seizing the line.
Depending on the PABX, the call may be terminated using one of the following methods:
• Line reversal/line break (also known as K/P reversal)
• Call progress tone
15.4 Loop Start Mode
The PAGASYS interface puts a voltage on the line, but initially no current flows.
The call is set up by the PABX going off-hook, which causes current to flow in the line.
The PAGASYS interface detects this with a current sensor.
The call is terminated by the PABX going on-hook, which causes the current flow to stop.