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5

FIGURE 4 – OVERRIDE A SINGLE ZONE WITH A V-2001A

WIRING INSTRUCTIONS

 

(For Figure 4)

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-9939B to PAGE

TIP.

___ 4. Connect Ring of the V-9939B 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
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-9939B.  This shield
should be strapped to power supply
GND.

___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-9939B 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-9939B.

___13. Connect Ground (+) of the V-2001A to

the power of the V-9939B.

___14. Volume adjustment:

___a.

Turn  the  screwdriver adjustable
volume control on the V-9939B about
1/2 of the way clockwise.

___b.

Speak through the microphone and
adjust

 the 

V-9939B screwdriver

adjustment for the proper page level.

RED (+)

BLACK (-)

CABLE

SHIELDED

SHIELD

GREEN

WHITE

PAGE TIP

MUSIC

CLOCK

CLOSURE

PC

PPCC

-24VDC

SW1

SW2

SW4

R2

MUSIC

ON

OFF

UNA

CLOSURE

UNA

RING

PAGE +

MUSIC

TONES

R4

0

V-2001A

V-400/450

PAGE RING

GND

GND

-24VDC
PAGE +

MUSIC

GND

-24VDC

TIP

AND

RING
PAGE

TIP

AND

RING
OVR

BATTERY

FEED

CAT 3/5

CABLE

PAGE W/O

MUSIC

ST

AT

IO

NA

RY

BREAK

MAKE

RING

TI

P

VALCOM

V-9939B

MICROPHONE ADAPTER

PO

W

ER

PO

W

ER

LO

 Z

1

MI

C

 SHIEL

D

LO

 Z

2

HI Z

G

ND O

U

T

SW

IT

CH

Microphone

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