2
947944
INSTALLATION/OPERATION
The V-9943A is activated by 70-105 VAC (ring
voltage) or -24 VDC (normally through an
interrupted contact closure).
An LED provides a visual indication when the unit
is activated.
The tones are dipswitch selectable. The various
tones available are described in the Option Switch
Chart along with the switch configuration
necessary to obtain the tone.
The dip switches and volume control are accessed
through the opening in the rear of the enclosure
.
A.
Setting the Dip Switches
Switches 1-4 determine tone. Switch 5 determines
AC or DC operation.
1.
Determine if the equipment will be used
with AC or DC current. For DC current
SW5 should be in the ON position. For
AC current (ring voltage) SW5 should be
in the OFF position.
CAUTION: Do Not Use Ring Voltage with SW5
in the ON position.
2.
Switches 1, 2, 3, and 4 set the tones.
Refer to the Option Switch Chart to obtain
the setting of the desired tone.
B.
Setting the Volume Control
The volume control is screwdriver adjustable.
During initial setup, it is recommended the volume
control be set 1/4 turn clockwise.
C.
Mounting
The V-9943A has mounting holes located on the
sides of the unit. Two #10 x 3/4" wood screws are
included for mounting purposes.
TECHNICAL ASSISTANCE
Assistance in troubleshooting is available from the
factory. When calling, you should have a Volt ohm
meter and a telephone test set available and be
calling from the job site. Call (540) 563-2000 and
Press 1 for Technical Support, or visit our website
at http://www.valcom.com.
Valcom equipment is not field repairable. Valcom,
Inc. maintains service facilities in Roanoke, VA.
Should repairs be necessary, attach a tag to the
unit clearly stating your company name, address,
phone number, contact person, and the nature of
the problem. Send the unit to:
Valcom,
Inc.
Repair and Return Dept.
5614 Hollins Road
Roanoke, VA 24019-5056
Telephone System
Interrupted
Dry
Contact
Closure
T (1)
R (2)
V-9943A
Switch 5
must be in
the ON
position
-24vdc
T (1)
R (2)
V-9943A
Switch 5
must be in
the OFF
position
T
R
- OR -
90VAC Ring Voltage
from an assigned
station port on a
PABX, 1A2
Common audible
or a Central Office
Line
Input
Terminals
Volume
Control
Dip Switch
1
2
3
4
5
