Valcom V-9940 Bruksanvisning
Valcom
Intercomsystem
V-9940
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Issue 7
1 947740
V-9940
EXPANDABLE STATION LEVEL PAGE ADAPTER
INTRODUCTION
The V-9940 is an Expandable Station Level
Page Adapter designed to provide ring trip and
page access circuitry for use on standard device
telephone lines. These instructions contain the
specifications and information necessary to
install, operate and maintain the V-9940
Expandable Station Level Page Adapter.
IMPORTANT: Please review dip switch
settings (page 3) for equipment suitability.
FCC Information
When installing the V-9940, contact the local
Telephone Company and give them the
following information:
• The telephone number of the line to which
the V-9940 will connect;
• The FCC Registration #: BAF9I7-13957-
OT-N;
• The ringer equivalence number: 1.1A
If the V-9940 is disconnected from its present
line, contact the local Telephone Company to
make them aware of the change.
Telephone Company Procedures: the goal of
the telephone company is to provide the best
service possible. In order to do this, it may
occasionally be necessary for them to make
changes in their equipment, operations or
procedures. If these changes potentially affect
the service or the operation of customer
equipment, the Telephone Company will give
written notice to allow any changes necessary to
maintain uninterrupted service.
SPECIFICATIONS
Access Methods
• Centrex numbers
• Loop start and ground start central office
lines
• PABX station numbers
Figure 1 depicts a block diagram of a typical
PABX installation.
Features
• Ring trip on first ring
• 600 Ohms output; 8 Ohms output with AGC
• Multiple units may be used for multi-zone
paging with all call behind a PABX
• Use with Valcom multi-zone page control
unit for multi-zone paging Centrex or C. O.
lines (DTMF signaling only)
• Use with Valcom handsfree page units for
talkback paging
• Background music input
• Open loop detect reset
• Audio sensing circuit for reset
• Time out reset
• Manual reset
• Answer verification tone
• All call override tone
• Battery reversal indicator
• Auxiliary Make/Break contact
• Built in 66 type connection block
• Complies with UL 145
2
ALL CALL IN
8 OHM OUT
ALL CALL AUDIO
ALL CALL IN
8 OHM OUT
ALL CALL AUDIO
ALL CALL OUT
8 OHM OUT
ZONE 1 IN
ZONE 2 IN
A
LL CALL IN
T
R
IN
T
R
IN
T
R
IN
VALCOM ONE-WAY
AMPLIFIED SPEAKER
ASSEMBLIES
NOTE: When used with a PABX, the PABX
must not return any tones to the called party
after calling party disconnect on a station to
station call.
FIGURE 1
BLOCK DIAGRAM OF A TYPICAL PABX INSTALLATION
Capacity
• Each V-9940 provides one zone of paging
(when connected to its own PABX station
number).
• Use a V-9940 and a station number per
zone for multi-zone paging behind a PABX.
• An additional station number and V-9940
may be used to provide all call or override in
a one-way multi-zone system behind a
PABX.
• One V-9940 may be used with a Valcom
multi-zone page unit to provide up to 36
zones of paging on Centrex or central office
lines (DTMF signaling only).
Dimensions/Weight
• 8.20" H x 4.55" W x 2.30" D
(20.83cm x 11.56cm x 5.84cm)
• 1.7 lbs. (0.77 kg)
Power Requirements
-21.5 to -26VDC "B" Battery, 200mA maximum
(Valcom VP-624B Class 2 power source
recommended).
Environment
Temperature: 0 to +50°C
Humidity: 0 to 85% (non-precipitating)
Specifications
Tip and Ring Input: 600 Ohms
Voltage for Ring Trip: 75-105VAC
Ring Trip Timing: 150ms
Open Loop Detect: 150ms starting 1
second after ring trip
Audio Sense Release: 4, 8, 16, 32 or 64
seconds after audio drops below -22dBm
Time Out Release: 1, 4, 8, 16, 32 or 64 seconds
Manual Reset: 25ms ground
Output 1:
Impedance: 600 Ohms
Page Level Output Level: Input Level
-1dB
Music Level Output Level: Input Level
Output 2:
Impedance: 8 Ohms
Page Level: -10dBm
Music Level: -17dBm
Music Source: 8 to 600 Ohms
-10 to -18dBm
Answer Verification Tone: 500Hz: 250ms On;
250ms Off
Form C Contacts: 30VDC, 2.0 Amps or
125VAC, 1.0 Amp
DESIGN
General
The Valcom V-9940 Expandable Station Level
Page Adapter is designed to provide access to
paging from a standard PABX station number, a
Centrex number or a Central Office line. It
should not be used on coin service lines or party
lines. The V-9940 may be directly connected to
Valcom One-Way Amplified speaker assemblies
or may be used in conjunction with Valcom one
zone or multi-zone page adapters. The
following sections describe possible
arrangements and detail the equipment
required.
When One-Way Amplified Speaker Assemblies
are specified, consult the Valcom catalog for the
style desired. Once the style and quantity of
speakers are determined, select the appropriate
power supply after referring to the Valcom
One-Way Paging VSP or the Marketing Guide.
PABX Station Level Paging
NOTE: Before proposing Station Level
Paging, perform the following test:
1. Dial between two stations on the PABX and
answer the call.
2. Have the called party keep listening while
the calling party hangs up.
3. After calling party release, what does the
called party hear?
If the PABX IMMEDIATELY returns any type of
tones to the called party (dial tone, reorder tone,
3
etc.) then STATION LEVEL PAGING CAN NOT
BE USED. Consult the Valcom catalog for an
appropriate trunk level page adapter. If there is
silence of at least before any 10 SECONDS
tones are returned, then one-way paging may
be used. If the line REMAINS SILENT for at
least 1 and 1/2 minutes after disconnect, then
one-way or talkback paging may be used.
If the type of paging desired is possible on a
station level of the PABX, continue in this
section to determine equipment required.
• One Zone of One-Way Paging:
This arrangement requires one PABX station
number, one V-9940 page adapter, appropriate
Valcom One-Way Amplified Speaker
Assemblies and a -24VDC power supply.
• Multi-Zone One-Way Paging with All Call:
This arrangement requires a PABX station
number and V-9940 for each zone and an
additional number and V-9940 for all call.
One-Way amplified Speaker Assemblies and -
24VDC power supplies are also required.
• One Zone of Talkback Paging:
This arrangement requires one V-9940, one
V-9941A, one-zone talkback unit, appropriate 45
Ohm talkback speakers (maximum 2), and a
VP-624B power supply. See Note.
Centrex or C. O. Line Access to
Paging:
NOTE: Although the V-9940 will work on
both loop start or ground start lines, when
using Centrex service, ground start lines
provide better security against returned
tones. In addition, Centrex lines should be
optioned for cut OFF when disconnect
occurs.
• One Zone of One-Way Paging:
One zone of One-Way Paging requires one
Centrex or C. O. Line, a V-9940, One-Way
Amplified Speaker Assemblies and a -24VDC
power supply.
• Multi-Zone One-Way Paging:
Multi-zone One-Way Paging requires one
Centrex or C. O. Line, a V-9940, a dial select
page control unit (V-2003A, V-2006A,
V-1109RTVA, V-119RTVA or V-136RTHF),
appropriate One-Way Amplified Speaker
Assemblies and a -24VDC power supply.
NOTE: All Call is included with the V-2003A,
V-2006A and the V-1109RTVA.
It may be added to the V-119RTVA with a
V-1118 and to the V-136RTHF with a V-1134.
See Note.
• One Zone of Talkback Paging:
One Zone of Talkback Paging requires one
Centrex or C. O. Line, one V-9940, one
V-9941A, one zone talkback unit, 45 Ohm
talkback speakers (maximum 2) and a VP-624B
power supply. See Note.
• Multi-Zone Talkback Paging:
Multi-Zone Talkback Paging requires one
Centrex or C. O. Line, one V-9940, a dial select
page control unit (V-2003AHF, V-2006AHF,
V-1109RTHF, V-119RTHF or V-136RTHF),
appropriate talkback speakers and a -24VDC
power supply.
NOTE: One-way All Call is included with the
V-2003AHF, V-2006AHF, and V-1109RTHF. It
may be added to the V-119RTHF with a
V-1118 and to the V-136RTHF with a V-1134.
See Note.
Wiring of each arrangement is covered in the
Installation Section.
NOTE: When using the V-9940 Expandable
Station Level Paging Adapter to access
multi-zone or handsfree control units, it
should be understood that the quality and
noise characteristics of the C . O. Line circuit
may affect the operation of this equipment
adversely.
Dip Switch Settings
The dip switch settings are crucial to proper
operation of the V-9940 and are different for
each application. The dip switches select the
way the V-9940 releases from the line and how
long a page may be made. There are three
ways the V-9940 releases from the line that are
dependent on dip switch settings:
Open Loop Detect
The V-9940 detects a 150ms or longer break in
loop current one second after ring trip and
release from the line. The one second delay in
line supervision is allowed due to the instability
of some C. O. and Centrex lines for the first
second after ring trip.
Dip switch settings: Set dip switches 1 and 8
"ON", dip switches 2 through 7 "OFF".
NOTE: This setting provides unlimited page
length. In certain instances a default timeout
release is recommended. To select a default
Produktspecifikationer
| Varumärke: | Valcom |
| Kategori: | Intercomsystem |
| Modell: | V-9940 |
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