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The 4003 Voice Controller Assembly is similar to the 4100 Audio Card, except
that only one audio channel is available. The on-board micro-controller
monitors amplifier status, master microphone, and remote microphone
conditions, as well as the status of the VCP front panel switches. It also provides
power supply control functions (including AC line monitoring) and
charger/battery monitoring.
The 565-358 Voice Controller Assembly uses an eight-position DIP switch
(SW3) to set the address and communications baud rate. (See Figure 6.)
Position 8 is the Least Significant Bit (LSB) of the address. Position 2 is the
Most Significant Bit (MSB). The switch is set to the address of the board as
programmed by the 4100 Programming Unit. The Baud Rate Select Switch,
SW3-1, selects 9600 Baud when placed in the "ON" position. In the "OFF"
position, SW3-1 selects 1200 Baud. The device address is selected by SW3-8
through SW3-2. If you are going to use the Voice Controller Assembly in the
Non-Communicating Mode (as with a 4002 FACP), select Address 0.
Figure 6. Address and Communications Baud Rate Selection
Switch SW3
Continued on next page
Voice Controller Assembly Description
Overview
DIP Switch
Device Address
Select Switches
Device Baud Rate
Select Switch
SW3 set for 9600 Baud, Address 0.
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