GAI-Tronics 10448-202 Посібник - Сторінка 2
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GENERAL
The telephone interface functions as follows:
1. The caller dials the phone number or PBX extension associated with the Centra-Page central cabinet.
2. Between the second and ninth ring (ring delay is user programmable; see "RING DELAY" on page
3) , a birdie tone will sound on the page line of the Centra-Page system. This signal is not on the
alarm bus. Refer to Figure 2 for DIP switch information.
3. To answer the call, an individual within the plant lifts a station handset on party line 1 and answers
the call. All of the handset stations on party line 1 must be on-hook before the call can be answered:
any station that is off-hook during the birdie tone must be placed on-hook before the call can be
answered.
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Figure 1. Alarm Interface Panel
Pub. 42004-224
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