P82030 K
Sheet 3 of 17
Telephone "Hang Up" Tone One-Way
Paging
Talkback
Paging
One-Way Paging
Using FZC-3 Zone Control
Tone Detect
Jumper
Immediate VOX VOX VOX EN.
Delayed VOX VOX VOX EN.
None (Silent) VOX MAN. MAN. DIS.
Not Detectable by Frequency Immediate MAN. MAN. MAN. DIS.
Detector Delayed VOX MAN. MAN. DIS.
Chart 2.
Timer Control Jumper and Tone Detect Jumper Settings
FOR ONE-WAY PAGING, The Timer Control Jumper is placed in the "VOX" position. This allows the TPI-100 to sense the
presence of audio on Tip and Ring, thereby delaying the Page Duration Timer as long as audio is present within the preset time.
If audio is not present for the preset time, then the TPI-100 will disconnect the paging system when the preset time has elapsed,
or the Hang Up Tone is detected, whichever occurs first.
FOR PAGING WITH TALKBACK, If the telephone system generates a Hang Up Tone that can be detected by the Tone
Frequency Detector, then the Timer Control Jumper is placed in the "VOX" position. This allows the TPI-100 to sense the
presence of audio, even after the caller hangs up, because the talkback speaker is still placing audio on the line. As a result, the
Page Duration Timer is continually delayed. Only the detection of the Hang Up Tone will disconnect the paging system.
If the telephone system generates a Hang Up Tone that cannot be detected by the Tone Frequency Detector, or if the telephone
system does not generate a Hang Up Tone (remains silent), then the Timer Control Jumper is placed in the "MAN" position.
The preset time is absolute, and the TPI-100 will disconnect the paging system when the preset time has elapsed.
NOTE:
Voice signals of the same frequency as the Hang Up Tone may cause the TPI-100 to disconnect. If the TPI-100 disconnects due
to the detection of voice signals, it is recommended that the Timer Control Jumper and Tone Detect Jumpers be placed using the
“Not Detectable by Frequency Detector” setting per Chart 2.
NOTE:
Telephone lines with less than -15dBM (0.1VRMS) audio level, could result in insufficient gain to operate talkback paging
systems.
MUSIC INPUT, The TPI-100 also provides a music input that is muted during a page. At the conclusion of the page, the
music is restored to the system.
TYPES OF PAGING SYSTEMS, The TPI-100 can be connected to the following types of paging systems:
A. SINGLE ZONE PAGING:
1. Amplified speakers and horns for one-way paging, or...
2. A central paging amplifier and speakers/horns equipped with 25V/70V line matching transformers, for one-way
paging, or…
3. A Wheelock amplified talkback speaker (TBM-101) or horn (TBH-104) system, for paging with talkback.
B. MULTI ZONE PAGING:
Up to 3 zones of paging when used with Wheelock Fixed Zone Control (FZC-3).
1. Items A1 and A2 above can be mixed in the same system.
SINGLE OR MULTIPLE LINE PAGING: The TPI-100 can be used in single line paging applications, or several can be
interconnected for multiple line paging applications.
In single line applications, a ring start line is dedicated to paging and connected to a TPI-100.
In multiple line applications, a TPI-100 and a ring start line are dedicated to each paging zone, each zone group, and "All Call"
paging. Interconnected TPI-100's automatically establish paging priorities as shown in Chart 3.
Type of Page Priority
All Call 1
Zone Group 2
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