Cload PM4-SA Manual del usuario - Página 2
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Imprimir páginaSystem Example
TIMER
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PM8-SA
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(FROM OTHER PAGING MICS)
The example shows a PM8-SA connected to a DCM-1 Digitally Controlled Mixer via the Digital Paging Interface. The interface is a single CAT-5
cable which carries power, audio and zone selection commands. Other PM paging microphones (elsewhere in the building) may be daisy-chained
to the PM8-SA with further single runs of CAT-5, and all microphones can access all the DCM-1's zones, if wished.
Messages on the PM8-SA's sound card may either be selected manually, and directed to any zone(s) required, or triggered by external devices. In
the example shown, four of the external message triggers are used; three to a third-party relay timer and a fourth to a PIR sensor. Depending on
how the messages are assigned to zone groups, the timer and paging microphone could be set up to trigger:
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three different messages to three different zones,
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the same message to three zones, but at different times,
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or, three different messages to the same zone or zones.
A fourth message trigger is wired to a PIR sensor; this could be used for security purposes, automatically triggering a message in a zone to warn
an intruder that they were being recorded on CCTV, for example.
PIR SENSOR
DIGITAL
PAGING
INTERFACE
CAN BUS OUT
CAN BUS IN
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DCM-1
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CAN BUS IN
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C l e a r l y b e t t e r s o u n d