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3-2
Operation
Operation
Controls and Indicators
Figure 3-1. Rear Panel Detail
Table 3-1. Rear Panel Description
ITEM DESCRIPTION
Power On LED Illuminates when power is supplied to the Call Stacker.
Pause Override Control
Input
Enables/disables the Page Output channel. When a contact
closure (a short) between the two terminals is detected, the
Call Stacker terminates the outgoing announcement (if any),
requeues it and disables the Page Output channel. When
the contact closure is removed, the Page Output channel is
re-enabled and the terminated announcement plays to the
paging system in its entirety (see note below).
Input Station
(record) Channels
PBX and KTS analog station interfaces (tip/ring pairs) to the
Public Telephone Network, a PABX or a Key System.
Page Output Channel
Audio and control contact signals to the paging system as
shown in figure 2-3. Between outgoing announcements the
control contact opens for a minimum of 250 msec. to release
the paging system controller.
Option Switch See table 2-1.
Battery Switch
Enables/disables battery backup. Turn the switch
ON
to
enable the battery backup.
Power Input 110/120 VAC, 60Hz, power input
NOTE: The Input Station channels continue to operate when a contact closure is detected. Recorded
announcements are held in a queue and play out sequentially (first in, first out) when the contact
closure is removed.