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Interconnections between VCP modules are shown in Figure 5.
Figure 5. Voice Control Panel Functional Block Diagram
Note that the Notification Appliance Circuit from the host FACP ties into the
Voice Controller Assembly. The Voice Controller Assembly monitors the signal
circuit activation in "Adjunct Mode" and transfers 4003 SIGcard relays after
performing the necessary VTG operations. In the "Slave Mode", the incoming
signal activates at the appropriate time (after the VTG tasks are completed), and
is directly routed to all 4003 SIGcard points. You must use a jumper to select
the needed operation.
Access to audio power is from a harness to the 4003 SIGcard. If you want to
wire audio power to the 4020 signal circuits, use the termination(s) on the
SIGcard, as the amplifier has no terminal block output.
The VCP power supply is adequate for 75W audio power. If less than a 75W
load exists, signal power may be available for strobes or other system use. A
chart is provided on the inside of the cabinet door showing available signal
power with a range of amplifier ratings.
Hardware and Firmware
VCP Interconnections
VCP
VOICE/TONE
CONTROLLER
AMP PWR
25V AUDIO
4003 SIGCARD
POWER
SUPPLY
75W
AMP
MP SUPERVION AND CONTROL
VCP POWER, POWER SUPPLY CONTROL, AND SUPERVISION
UDIO SIGNAL TO 4020 SIGNALS
UDIO SIGNAL
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