Valcom V-2003A, V-2003AHF Service Manual

V-2003A - THREE ZONE PAGE CONTROL UNIT

V-2003AHF - THREE ZONE HANDSFREE

TALKBACK PAGE CONTROL UNIT

INTRODUCTION

The V-2003A provides telephone system access
to multiple zones (Up to 3) of one way paging
plus all call.

The V-2003AHF provides telephone system
access to multiple zones (Up to 3) of handsfree
talkback and/or one-way paging with a one-way
all call.

“WARNING: To reduce the risk of fire or
electric shock, do not expose this equipment
to rain or moisture.”

“WARNING: Shock Hazard - Do Not Open.”

“AVIS: Risque de Choc Electrique ne pas
Ouvrir.”

“PELIGRO: Corriente Electrica - No Abra.”

“CAUTION: To reduce the risk of fire replace
only with same type 1A, 125V fuse. 1A, 125V
may be replaced by a 0.5A, 250V provided
voltage selector is set for 230V.”

“DANGER: Afin de réduire le risque de feu,
remplacez le fusible par le même type de
fusible à 1A, 125V. On peut utiliser un
fusible à 0.5A, 250V pourvu que le sélecteur
ďalimentation soit fixé sur 230V. Ne pas
ouvrir.”

“VORSICHT: Zur verringerung von
feuergefahr die sicherung nur mit derselben
type 1A, 125V ersetzen. Statt 1A, 125V Kann

0.5A, 250V Benutzt werden, vorausgesetzt,
die spannung ist auf 230V eingestellt. Nicht
öffnen.”

“PELIGRO: Para reducir el peligro de
incendio remplazarlo unicamente con un
fusible del mismo tipo 1A, 125V. El fusible
de 1A, 125V podra ser remplazado por uno
de 0.5A, 250V si el selector de voltaje esta
puesto en 230V. No abres.”

VSP-V-2003A/AHF

Issue 8

SPECIFICATIONS

Access Method

• Electronic Key System (C. O. Line Position)

• PABX (Loop or Ground Start Trunk)

• 1A2 Key systems (400 Type Line Card

required)

• 600 Ohm Page Port equipped with contact
closure and DTMF dialing capability; Page
Port must be bi-directional if using V­2003AHF.

• Dedicated single line telephone(s)

Features of the V-2003A

• 3 zones of one-way paging

• One-way all call

• Integrated power supply

• Supplies 20 Valcom power units (-24VDC, 1

Amp) for powering speaker amplifier
assemblies

• Volume Controls supplied for:

• Background music

• Tones

Night ring/warble tone
(Closure or 90VAC ring activated)
Time clock/single tone (Closure

activated)

• Options are dip switch programmable per
zone (Music and tones)

• Dial tone (Optional)

• (#) Button returns dial tone

• Provides audio for up to 150 Valcom

one-way speaker amplifier assemblies per
zone

1 947204

• 115VAC @ 60Hz or 230VAC @ 50Hz
operation

• AC input fused at 1 Amp @ 115VAC or 0.5
Amp @ 230VAC

• Override page on separate tip/ring
temporarily disconnects page in progress
and issues an override busy tone to
overridden party

• Normal paging is restored after override

• Inhibit circuitry (Speaker cancel)

• UL Listed

Additional Features Supplied by the
V-2003AHF

• 3 zones of handsfree talkback, one-way or
mixed paging

• Dip switch programmable per zone (Music,
tones and one-way or talkback)

• Pre-announce tone (Optional)

• Repeated alert tone (Optional)

• Two volume controls for handsfree paging

- Page (Phone to speaker)

- Receive (Speaker to phone)

• Supplies 10 Valcom power units (-24VDC,

0.5 Amp) for powering one-way amplified
speakers (A reduction of 10 power units
from the V-2003A)

Music Input Level: -10 to -18dBm
Output Impedance: 8 Ohms (1 way)

45 Ohms (Talkback)

Output level: -10dBm (1 way)

1 Watt (Talkback)

DC Output: -24VDC at 1 Amp (V-2003A)

-24VDC at 0.5 Amp (V-2003AHF)

Nominal Power Requirements

Voltage: Current:

115VAC 1 Amp
230VAC 0.5 Amp

Battery Backup

The V-2003A/V-2003AHF is equipped with a
standard 3-prong MOLEX connector to allow
connection of a fused output battery backup
supply (3 Amp, Valcom VPB-260 or equivalent)
in case of AC power failure. Backup time will be
a function of system usage.

• Use a cord set consisting of a minimum 18
AWG cord and grounding type attachment
plug rated a minimum of 15A, 250V. The
cord set should have the appropriate safety
approvals for the country in which the
equipment will be installed and marked
HAR.

Priority Sequence

The V-2003A and V-2003AHF Units are
designed with the following priority (1 = highest;
5 = lowest):
___1. Time clock signal
___2. Override page
___3. System page
___4. Night right
___5. Music

Physical Description

The V-2003A and V-2003AHF are contained in
single, gray steel cases, which can be wall or
shelf-mounted.

V-2003A

Dimensions: 7.10"H x 10.00"W x 3.00"D

(18.03cm x 25.40cm x 7.62cm)

Weight: 4.1 lbs. (1.86 kg)

V-2003AHF

Dimensions: 7.10"H x 10.00"W x 3.00"D

(18.03cm x 25.40cm x 7.62cm)

Weight: 5.6 lbs. (2.54 kg)

Nominal Specifications

Input Impedance: 600 Ohms
Input Level: -10dBm
Music Source Impedance: 8 to 600 Ohms

• The socket outlet shall be installed near the
equipment and shall be easily accessible.

Environment

Temperature: 0 to +40 Degrees C
Humidity: 0 to 85% non-condensing

OPERATION

General

Press the line key (Electronic Key System), dial
the trunk access code (PABX) or dial the page
port access code to access the
V-2003A/V-2003AHF; with dedicated single line
sets - simple go off hook. The
V-2003A/V-2003AHF will return dial tone (If so
optioned). Dial desired zone code: 1, 2, 3, or 5,
6, 7 for individual zones (1 through 3
respectively). Dial 4 or 8 for the all call of all
zones. Ringback tone (If so optioned) will be
heard in the telephone receiver. Make
announcement and hang up. The unit will
automatically disconnect from page. Ringback
tone and repeated alert tones, when optioned,
provide an alert tone to the talkback zones on a
V-2003AHF. The repeated alert tones will
broadcast every 15 seconds when the zone is
active in the handsfree mode.

2

Background Music

A line level amplified background music source
may be connected to the control unit. The
background music will cut off only in the zone
being paged if the zone is programmed for
background music.

Night Ring and Single Tones

Two methods of night ringing (Electronic Warble
Tone) over the paging system is available.
___1. UNA Closure: Activated by a Common

Audible, Dry Contact Closure

___2. UNA Ringing: Activated by 90VAC

+/- 20% (20/30Hz) ring voltage

Clock Tone

A single tone over page is provided when a Dry
Contact Closure is connected to the Clock
Closure Input Terminals (i.e. Time Clock).

The single tone and warble tone may be dip
switch selected on a per zone basis (One dip
switch is supplied per zone for tones, so the
single tone and warble tone are both selected
on or both selected off).

Page Port Access

When used with page port access, the Page
Control Unit may only be used with a 600 Ohm
page port equipped with contact closure that
will pass DTMF for zone selection. Also, the
page port must be capable of passing

bi-directional audio for talkback operation (V­2003AHF).

INSTALLATION

Precautionary Designations

equipment such as an electronic key system,
a PABX or a dedicated single line
telephone(s). The V-2003A/V-2003AHF is not
intended for direct or indirect connection to
the public telephone network or any
telephone line providing dial tone. When
used with a customer premise telephone
system such as a key system or PABX
system, these units are interfaced to the
system via a fully protected page port or
system central office port, which is a fully
protected interface device. Also, the host
system must be configured to disallow
central office trunk conferencing in order to
prevent indirect connection to the public
network.

Electronic Key, 1A2, PABX or Single Line
Access

When using the V-2003A/V-2003AHF with an
electronic key system, 1A2 key system, PABX,
or dedicated single line telephones, the following

equipment is required:

(1) 1 - V-2003A/V-2003AHF Three Zone

Paging Unit

(2) 1 - C. O. Line Circuit (Electronic Key

System), 1A2 line position equipped
with 400 type card, Loop or Ground
Start Trunk Circuit (PABX), a page
port with contact closure and DTMF
signaling or one or more dedicated
single line telephone(s) (Not a station
port or extension number)

(3) Valcom Amplified Speaker Assemblies

(Quantity and style determined by
specific installation; Valcom 45 Ohm
Talkback Speakers may also be used
with the V-2003AHF)

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION: To reduce the risk of electric shock,

Refer servicing to qualified service personnel.

NOTE: The telephone system referred to in
this manual is the customer premise

Do not remove cover.

No user serviceable parts inside.

This symbol indicates that dangerous
voltage constituting a risk of electric
shock is present within this unit.

This symbol indicates that there are
important operating and maintenance
instructions in the literature accompanying
this unit.

Mounting

The V-2003A/V-2003AHF was designed for wall
or table mounting. The intended mounting
orientation will render the enclosure lid text
legible (See Figure 4). Secure the unit to wall
studs or a suitable brace away from heat
sources or strong magnetic fields (Motors, fans,
power supplies, etc.) with the control and
terminal strip accessible (A plywood backboard
2' square and at least1/2" thick attached to wall
studs would be considered a suitable brace).
Four #10 x 3/4" cross-tip wood screws are
included for mounting. Fasten two screws on
the mounting surface allowing them to protrude
1/8" to 1/4". Place the chassis of the control unit
onto the screwheads at the mounting slots.
Position the remaining screws and fasten
through the remaining mounting slots. Tighten
screws.

3

Switch Selectable Options

Loop start and ground start access are switch
selectable on the V-2003A/V-2003AHF.
SW1: Selects the loop or ground start option
for system tip and ring.
SW5: Selects the loop/ground start option
for override tip and ring (See Figure 3 for
location). A 12-position dip switch is provided
for programming zone capabilities. Figures 1
and 3 indicate the function of each dip switch
(i.e., the feature it activates).

NOTE: For one-way paging on a V-2003A,
the dip switch for the talkback feature on a
one-way zone must be set to "Off: (No zone x
talkback).

The V-2003A/V-2003AHF requires a power
down reset in order to implement dip switch
changes (Unplug AC power from the
V-2003A/V-2003AHF for a minimum of 30
seconds then reconnect to effect a dip
switch change).

FIGURE 1

SW3 Up (OFF) Down (ON)

12 No Zone 3 Music Zone 3 Music
11 No Zone 3 Tones Zone 3 Tones
10 No Zone 3 Talkback Zone 3 Talkback
9 No Zone 2 Music Zone 2 Music
8 No Zone 2 Tones Zone 2 Tones
7 No Zone 2 Talkback Zone 2 Talkback
6 No Zone 1 Music Zone 1 Music
5 No Zone 1 Tones Zone 1 Tones
4 No Zone 1 Talkback Zone 1 Talkback
3 System Dial Tone No System Dial

Tone

2 System Ringback No System Ringback

Tone* Tone*

1 System Repeated No System

Repeated

Alert* Alert*

* Repeated system alert tone is available

only with the V-2003AHF. Ringback tone
provides an alert tone over speakers only
on handsfree outputs with the V-2003AHF.

Wiring Instructions for Loop or Ground Start
Access

A connection block with a 50 pin female
amphenol connector must be used to
crossconnect speakers and inputs. See Figure
2 for 66 block pinouts.

___1. Make certain Battery Feed switch

(SW2) is ON (In the Down position, See
Figure 3).

___2. Ascertain SW1 is in proper position.

SW1 should be in the UP position for
loop start operation or in the DOWN
position for ground start operation.

GROUND START NOTE: When using ground
start access, a ground strap must be connected
between the telephone system ground and a
ground output (+) of the V-2003A/V-2003AHF
(See
Figure 2).

___3. Plug 50-pin female Amphenol connector

into J2 of the V-2003A/V-2003AHF.

If a modular cord is used for Tip and Ring
connections, connect (J1) RJ11 Tip and Ring to
the appropriate C.O. line position of the phone
system.

For punchdown block Tip and Ring connections,
connect Tip of the telephone system C.O. line
position or loop or ground start trunk to the Tip
(W/BL) pin and Ring to the (BL/W) of the cross
connect block.

Connection of One-Way Amplified Speakers

Using twisted pair telephone wire, connect:
Zone 1 Speaker Tip, Ring -R/BL, BL/R
Zone 1 Speaker -24VDC -R/O
Zone 1 Speaker GND -O/R
Zone 2 Speaker Tip, Ring -R/G, G/R
Zone 2 Speaker -24VDC -R/BR
Zone 2 Speaker GND -BR/R
Zone 3 Speaker Tip, Ring -R/S, S/R
Zone 3 Speaker -24VDC -BK/BL
Zone 3 Speaker GND -BL/BK

NOTE: The V-2003A provides external power
of 20 power units (1 Amp of -24VDC) to operate
one-way amplified speakers. Additional power
supplies are required for a quantity of speakers
using power over the 20 power units. The
V-2003AHF supplies external power of 10 power
units (1/2 Amp at -24VDC) to operate one-way
amplified speakers. Additional power supplies
are required for a quantity of speakers using
power over the 10 power units.

When using additional power supplies, make
certain:

1) The -24VDC outputs are not connected to

each other or to the V-2003A/V-2003AHF.

2) Each speaker is connected to only one

power source (Talkback speakers do not
require power).

3) All power supply grounds are connected

directly to a copper cold water pipe earth
ground. The use of an electrical ground
in place of a direct cold water pipe ground
may introduce noise into the paging
system.

4

Connection of Talkback Speakers
(V-2003AHF Only)

Using twisted pair telephone wire, connect:
Zone 1 Speaker Tip, Ring -BK/G, G/BK
Zone 2 Speakers Tip, Ring -BK/BR, BR/BK
Zone 3 Speakers Tip, Ring -BK/S, S/BK

No more than two (2) 45-Ohm speakers
should be connected to any talkback zone.
Do not use 8-Ohm speakers.

Wiring Instructions for Page Port Access

A connection block with a 50 pin female
amphenol connector must be used to
crossconnect speakers and options. See Figure
2 for 66 block pinouts.

When used with page port access, the
V-2003A/V-2003AHF may only be used with a
600 Ohm page port that will pass DTMF tones
for zone selection and that is equipped with a
contact closure. Additionally, the page port must
be capable of passing bi-directional audio for
talkback operation.

___1. Make certain Battery Feed Switch

(SW2) is OFF (In the UP position, See
Figure 3).

___2. Plug 50-pin female Amphenol connector

into J2 of the V-2003A/V-2003AHF.

___3. Connect Tip and Ring Audio of Page

Port to Tip (W/BL) and Ring (BL/W) of
the connection block.

___4. Connect wiring from telephone system

Page Port Dry Contact Closure to the
W/O, O/W pair of the
V-2003A/V-2003AHF connection block.

Power Connections
NOTE: This equipment must be installed
near an AC power outlet due to the power
cord being used as a disconnect device.

The V-2003A/V-2003AHF is provided with one a
NEMA 5-15 cord set for North American use.

Refer to Figure 4 for the voltage selector
switch and fuse location. Make certain the
voltage selector switch is placed at the
appropriate rating and that the proper rated
fuse is installed.

• Connect cord set to unit via IEC 320 female
connector located on one end of cord set to
IEC 320 male appliance couple located on
the V-2003A/V-2003AHF.

• For 115VAC use, verify fuse rating of 1 Amp
and voltage selector switch displays 115V.

• For 230VAC use, verify fuse rating of 0.5
Amp and voltage selector switch displays
230V.

• After all required connections have been
made, plug the cord set into appropriate AC
wall outlet.

V-2003A Volume Adjustments

There are two volume controls on the unit for
individual adjustment of:

• Background Music

• Tones (Warble/single tone)

Clockwise adjustment increases volume,
counter clockwise decrease volume. During
initial set up, adjust individual speaker volume
controls to the desired page level first, then
adjust volume on page unit to the desired level
for music and tones.

V-2003AHF Volume Adjustments

There are five additional volume controls on the
V-2003AHF to control the volume of the
handsfree talkback outputs. They are:

• Page (Adjusts volume of page during all call
on handsfree outputs)

• Speaker to Phone (Adjusts response
volume from the speaker; should be turned
as low as possible)

• Phone to Speaker (Adjusts volume of a
page from phone)

• Background Music (Adjusts background
music on handsfree outputs)

• Tones (Adjusts the volume of single and
warble tones on handsfree outputs)

Refer to Figure 4 for locations of the volume
controls.

One-way Speakers may be connected to low
level outputs on the V-2003AHF for zones
programmed for one-way paging.

Connections for the V-2003AHF

The V-2003AHF is programmable on a per zone
basis for one-way or talkback communication. A
single talkback zone may have both one-way
and talkback speakers. One-way amplified
speakers may be connected to the handsfree

5

W/BL

BL/W

T

R

BR/W

BL/BK

Inhibit

Ground

Connecting Block

Tel Sys Trunk Port

(Loop Start or
Ground Start)

T
R

AA1

5.1K ohm

CONNECTIONS FOR INHIBIT OPTION

output of a zone programmed for talkback to
augment the page output on that zone. (NOTE:
Only talkback speakers are able to receive
reply).

___1. Using twisted pair telephone wire,

connect talkback speakers to the
appropriate output (See Figure 3) on the
V-2003A/V-2003AHF connection block.
Zone 1 speakers connect to the BK-G
pair, Zone 2 speakers connect to the
BK-BR pair, and Zone 3 speakers
connect to the BK-S pair. No more than
two (2) 45 Ohm speakers should be
connected to any talkback zone. Do not
use 8 Ohm speakers.

___2. Adjust volume controls.

Optional Connections

A. Background Music Connections

Connect the low level (-10 to -18dBm, 8 to 600
Ohms) output of music source to (W/GR) and
(GR/W) terminals of the cross connect block.
Adjust music volume (Page overrides music).

NOTE: Failure to use a low level music source
could cause music crosstalk on zones not
receiving music or damage to the Control Unit.

B. Clock Closure (Single Tone) Connections

Time Clock Contact Closure - (V/G), (G/V).
Time clock signaling will override page.

C. UNA Closure (Warble Tone) Connections

Telephone System Night Answer (Contact
Closure) - (V/BR), (BR/V). This tone will
override music but is overridden by a page.

D. UNA Ringing (Warble Tone) Connections

90VAC Night Answer Ringing - (V/S), (S/V).
These connections will activate a night ring tone.

E. Inhibit Option

If a single line telephone is desired for "meet me
answer," a single line "A" lead control telephone
and a 5.1K Ω resistor is required. This feature is
available only if the unit is accessed through a
trunk port. The T & R of the telephone connects
to the W/BL pair, the "A1" lead connects to GND
(BL/BK), the "A" lead had the 5.1K Ω resistor
placed in series, and the resistor terminates on
inhibit (BR/W). Inhibit is not a feature of override
tip and ring access. Calls currently engaged in
a "meet me answer" are not disturbed during the
override.

F. Override Connections

Telephone System Page Override - (W/S),
(S/W). Page override can be activated by a
vacant C.O. line position, loop start or ground
start trunk, or dedicated single line phone.

Make certain SW1 is in correct position for loop
or ground start mode of operation.

TECHNICAL ASSISTANCE

When trouble is reported, verify that power is
being supplied to the unit and there are no
broken connections. Check voltages for proper
polarity on the crossconnect block. Table 1
identifies symptoms of some possible problems
with solutions. If a spare unit is available,
continue to troubleshoot by substituting the
spare unit for the suspected defective unit.

Assistance in troubleshooting is available from
the factory. When calling, you should have a
VOM, a telephone test set, several clip leads
available and be calling from the job site. Call
[phone] and ask for Technical Support
or call [phone] for Valcom 24-hour
Faxback System or visit our website at
http://www.valcom.com.

The V-2003A/V-2003AHF is not field repairable.

VALCOM equipment contains no user
serviceable parts inside. Valcom, Inc.

maintains service facilities in Roanoke, VA.
Should repairs be necessary, attach a tag
indicating company name, address, phone
number, contact person and nature of the
problem. Send the unit to:

Valcom, Inc.

Repair and Return Dept.

5614 Hollins Road

Roanoke, VA 24019-5056

NOTE: Contact Technical Support (540) 563-

2000 for more information on Inhibit Option.

6

TABLE 1 - TROUBLESHOOTING CHART

SYMPTOMS

SOLUTIONS

1. No output to speakers A. Monitor for the presence of audio on the page
outputs of the V-2003A/V-2003AHF during a
page using a butt set. Refer to connection
information.

B. Check AC line fuse on V-2003A/V-2003AHF.
C. Check dip switch settings and perform a power

down reset.

D. Verify all other switch settings.

2. No music output A. Monitor for the presence of music audio on the
music input terminals using a Butt Set.

B. Check music input connector pins on the

V-2003A/V-2003AHF 66 connection block for
proper termination.

C. Check dip switch settings and perform a power

down reset.

3. Programmed feature not functioning A. Check dip switch settings.

B. Reprogram zone, then perform a power down

reset.

Valcom, Inc. warrants its products to be free from defects in materials and workmanship under conditions of normal use and service

VALCOM LIMITED WARRANTY

for a period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement, repair or
refund of any such defective device within the warranty period, provided that:

1. inspection by Valcom, Inc. indicates the validity of the claim;

2. the defect is not the result of damage, misuse or negligence after the original shipment;

3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened (A service

4. freight charges for the return of products to Valcom are prepaid;

5. all units ‘out of warranty’ are subject to a service charge. The service charge will cover minor repairs (Major repairs will

This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom, Inc. be
liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection
with the purchase, operation or use of the product.

This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the
carrier should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the
F.O.B. point.

charge plus parts and labor will be applied to units defaced or physically damaged);

be subject to additional charges for parts and labor).

Headquarters: In Canada

Valcom, Inc. CMX Corporation

5614 Hollins Road 35 Van Kirk Drive #11 and 12

Roanoke, VA 24019-5056 Brampton, Ontario L7A 1A5

Phone: [phone] Phone: [phone]

FAX: [phone] FAX: [phone]

7

System Tip
System Ring
Page Port Access CC
Page Port Access CC
Music Input
Music Input
Not Used
Inhi bit
Override Tip
Override Ring
Zone 1-Low Level Output Tip
Zone 1-Low Level Output Ring

-24 Volt Out
GND Out
Zone 2-Low Level Output Tip
Zone 2-Low Level Output Ring

-24 Volt Out
GND Out
Zone 3-Low Level Output Tip
Zone 3-Low Level Output Ring

-24 Volt Out
GND Out
Not Used
Not Used
Zone 1-Handsfree Output Ti p
Zone 1-Handsfree Output Ring
Zone 2-Handsfree Output Ti p
Zone 2-Handsfree Output Ring
Zone 3-Handsfree Output Ti p
Zone 3-Handsfree Output Ring
Not Used
Not Used

Used only with the V-2003AHF

Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Clock Closure
Clock Closure
UNA Cl os ur e
UNA Cl os ur e
UNA Ri ngi ng
UNA Ri ngi ng

26

WH/ BL
BL/ WH

1

WH/ O

27
2

O/ WH

28

W/ GR
GR/ W

3

W/ B R

29
4

BR/W

30

W/ S
S/W

5

R/B L

31

BL/ R6

32

R/O
O/ R

7

R/G

33

G/ R

8

R/BR

34

BR/R

9

R/S

35

S/R

10
36

BK/BL

11

BL/ BK

37

BK/O

12

O/ BK

38

BK/G

13

G/ BK

39

BK/BR

14

BR/BK
BK/S40

15

S/BK

41

Y/BL

16

BL/ Y
Y/O

42

O/ Y

17

Y/G

43

G/ Y

18

Y/BR

44
19

BR/Y

45

Y/S

20

S/Y

46

V/BL
BL/ S

21

V/O

47

O/ Y

22

V/G

48

G/ V23
V/BR

49

BR/V

24

V/S

50

S/V25

Loop or GND
Start Trunk or

TIP

RI NG

-24 VDC
GND

OPTI ONAL

*

LOCAL

POWER

SUPPLY

Time Clock Dry
Contact Closur e

Page Por t

Low Level

Music I nput

-

+

Telephone System Common
Audibl e Dry Contact Closure

Cont act Closure

To Loop or Ground

Start Trunk Override

VALCOM
AMPLI FIED
SPEAKER

-24 VDC

TIP

RI NG

-24 VDC
GND

-24 VDC

90 VAC Ringi ng from an

assigned Stat ion Port

(Page Port )

TIP

RI NG

GND

VALCOM
AMPLIF IED
SPEAKER

Appropri ate Telephone System
Ground (Ground strap required
for good star t access only)

45 Ohm

Tal kback

Speakers

(V-2003AHF only)

POWER SUPPLIES MAY BE ADDED FOR ADDITIONAL SPEAKERS ON ANY ZONE IF REQUIRED

*

FIGURE 2 66 BLOCK CONNECTIONS FOR THE V-2003A AND V-2003AHF

8

Figure 3

Dip Switches for both units and Volume Controls for the V-2003A

Battery Feed OFF

Battery Feed ON

Override Tip/Ring

Loop Start

Ground Start

Dip Switches

Zone 3 Music

Zone 3 Tones

Zone 3 Talkback

Zone 2 Music

Zone 2 Tones

Zone 2 Talkback

Zone 1 Music

Zone 1 Tones

Zone 1 Talkback

No System Dial Tone

No System Alrt/Rngbk Tone

No System Repeated Alert

SW2

SW3

Amphenol
Connector

SW1SW5

n
o

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s
o

P
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N

O
"

s

i
n
w

o
D
h

c

t

i
w
S

J2

Male

RJ11

d
e

t
s

i

l
s

a
n

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p
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t
c
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d
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J1

System Tip/Ring

Loop Start
Ground Start

R34

TONES

R6

MUSIC

Figure 4

Enclosure Orientation and Volume Controls for the V-2003AHF

Spkr/
Phone

Phone/
Spkr

Page

Fuse
1A @ 125V-or

.5A @ 230V

Voltage Selector
Switch

V-2003AHF

IEC 320 Appliance
Coupler

Tones

Music

Amphenol
Connector

Volume
Controls

9