Valcom V-9939C Manual page 5

Microphone
V-400/450
SHIELDED
CABLE
FIGURE 4 – OVERRIDE A SINGLE ZONE WITH A V-2001A
WIRING INSTRUCTIONS
Place a check by each step as it is completed:
___ 1. IMPORTANT: Complete installation and
testing of your page control unit and
speakers before adding the microphone
adapter.
___ 2. Mount the V-2001A near the microphone
adapter.
___ 3. Connect Tip of the V-9939C to PAGE
TIP.
___ 4. Connect Ring of the V-9939C to PAGE
RING.
___ 5. Connect the GND of the V-2001A to
terminal STATIONARY on the
microphone.
___ 6. Connect the PPCC of the V-2001A to
terminal MAKE of the microphone
adapter.
___ 7. Disconnect Tip of the audio pair to the
speakers on the zone being overridden
from the Page Control unit and connect
it to the PAGE + MUSIC of the V-2001A.
___ 8. Disconnect Ring of the audio pair to the
speakers from the Page Control unit and
connect it to the PAGE + MUSIC of the
V-2001A.
____9. Connect the MUSIC INPUT of the
V-2001A to one side of the output pair
from the page control unit for the zone
to be overridden.
___10. Connect the MUSIC INPUT of the
V-2001A to the other side of the output
VALCOM
V-9939C
MICROPHONE ADAPTER
RED (+)
SHIELD
BLACK (-)
GREEN
WHITE
(For Figure 4)
5
V-2001A
SW1 ON
TIP
BATTERY AND
FEED
RING
PAGE
OFF
TIP
AND
MUSIC
RING
OVR
TONES
SW2
PAGE TIP
PAGE RING
MUSIC
SW4
CLOCK
CLOSURE
UNA
CLOSURE
UNA
RING
PC
PAGE W/O
MUSIC
GND
-24VDC
PAGE +
MUSIC
GND
-24VDC
PAGE +
MUSIC
GND
-24VDC
PPCC
pair from the page unit for the zone
being used.
___11. Connect the microphone:
___a. Connect the audio common lead
shield of the microphone to the MC
terminal of the V-9939C.
___b. Connect the other microphone audio
lead to HZ if using high impedance
microphone; if using a low impedance
balanced microphone, connect (+)
lead to LZ1 and the (-) lead to LZ2.
___c. Connect one side of the microphone
push to talk switch to the V-9939C SW
terminal.
___d. Connect the other side of the push to
talk switch to the GND OUT terminal.
___12. Connect -24VDC filtered talk battery
from the V-2001A to the power of the
V-9939C.
___13. Connect Ground (+) of the V-2001A to
the power of the V-9939C.
___14. Volume adjustment:
___a. Speak through the microphone and
adjust the V-9939C volume control
adjustment for the proper page level.
CAT 3/5
CABLE
947476