Valcom V-9940 User Manual page 8

WIRING INSTRUCTIONS
Place a check by each step as it is completed.
___ 1a. Connect Tip of the PABX station number for zone one to pin 16 and Ring to pin 17 of the
V-9940 being used for zone one.
___ 1b. Connect Tip of the amplified speaker assemblies for zone one to pin 8 and Ring to pin 9 of the
V-9940.
___ 1c. Connect the Ground lead of the speaker assemblies to the power supply Ground.
___ 1d. Connect the -24VDC lead of the speaker assemblies to the power supply -24VDC ("B" Battery
or "-").
___ 2. Repeat Step 1 for each zone. REMEMBER, each zone requires its own station number and
V-9940.
___ 3. All Call Connections:
___ 3a. Connect Tip of the All Call station number to pin 16 and Ring to pin 17 of the V-9940.
___ 3b. Strap from pin 9 of the all call V-9940 to pin 26 of each of the V-9940s being used for
individual zones.
____3c. Strap from pin 13 of the all call V-9940 to pin 28 of each of the V-9940s being used for
individual zones.
____ 4. Music Input: Background music may be provided on a per zone basis. Connect a low level
source to pins 21 and 22 of each V-9940 to receive music.
____ 5. Dip Switch Settings: Switch settings are the same for the individual zones and the all call.
____ 5a. PABX - Switch 1 must be "OFF". Turn "ON" one of switches 2 to 7 to select the reset timing
(the length of time the unit stays active after last sensing audio). Turn switch 8 "ON".
____ 5b. Centrex or C. O. Line - Set switches 1 and 8 "ON", 2 to 7 "OFF". See Section titled "Dip
Switch Settings" for additional information regarding dip switches.
____ 6. Adjust volume at individual speakers.
____ 7. When connections are complete, replace cover and lock in place using the #6 ½ inch screws
provided. Plug in power supply.
WIRING INSTRUCTIONS
Place a check by each step as it is completed.
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