Valcom V-9940 Specifications download pdf (Page 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 10 SECONDS before any

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

1 2 3 4 5 6 7 8 ... 11 12

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Valcom V-9940 Specifications Page 3

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