3
INSTALLATION
WIRING INSTRUCTIONS:
Place a check by each step as it is completed:
__ 1.
Connect Tip of the telephone system trunk
position to the V-9941A terminal 1 (TIP).
__ 2.
Connect Ring of the trunk port to the
V-9941A terminal 2 (RING).
__ 3.
Connect Tip and Ring of the talkback
speakers to the V-9941A terminals 6 and 7
(SPKR) of the V-9941A.
4.
Option Switches:
__ a.
"SW1-1" controls the initial alert tone. Turn
the switch ON to precede each page with an
audible tone.
__ b. "SW1-2" controls the repeated alert tone.
Turn the switch ON to have a short tone
burst every 15 seconds during a handsfree
page.
__ c. "SW3" turn ON (Battery Feed Switch).
__ 5.
Plug in power supply.
NOTE: "A" battery may be substituted
for "B" battery.
__ 6.
Connect -24VDC "B" battery (may be
referred to as "-" or "signal battery") from
power supply to terminal 4 (-24VDC) on the
V-9941A.
__ 7.
Connect -24VDC "B" ground ("+" or "signal
ground") from power supply to terminal 3
(GND).
__ 8.
Connect -24VDC ground (+) from power
supply to telephone system GROUND.
10
9
7
8
6
5
4
3
2
1
In
hib
it
M
us
ic
M
us
ic
Sp
kr
Sp
kr
Gn
d
St
ar
t
-2
4V
DC
G
ro
un
d
Ri
ng
Ti
p
C.O. Line Position
or Loop Start
Trunk Port
R
T
Ground (+)
-24VDC
V-9941A
45 Ohm Talkback Speaker
ELECTRONIC KEY SYSTEM OR PABX ACCESS
TO REMOVE COVER
LOOSEN SCREW ,
THEN ACTIVATE LATCH
PLASTIC
COVER
CIRCUIT BOARD
HOUSING ASSEMBLY
SNAP LATCH
METAL WALL
MOUNTING
PLATE
WIREW AY OPENING
TO W ALL PLATE AND
JUNCTION BOX
WIRE TIE LOOP
WIRE TIE USED TO BUNDLE
ENTERING AND LEAVING TERMINAL
SNAP LATCH
FOR COVER
.155 DIA. HOLES FOR MOUNTING
SINGLE OR DOUBLE GANG JUNCTION
HOLE PATTERN MATCHES BOTH
AND US JUNCTION BOXES
1.5 x 2 W IRE ACCESS OPENING
TO JUNCTION BOX
BRACKET
LOCKING
SCREW
FIGURE 1A
