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Issue 10 

 

1

 

947937

 

 

 

 
 

 

V-9937 

 

ONE ZONE PAGE PORT ADAPTER 

 
 

 

INTRODUCTION 

These instructions provide identification, 
installation, connection, operation and 
maintenance information for the V-9937 One 
Zone Page Port Adapter. 

 

SPECIFICATIONS 

Purpose

 

  Provides loudspeaker paging access for one 

zone of paging 

  Offers override and background music 

capabilities, as well as automatic gain 
control and pop suppression 

  Connects to page ports of most electronic 

key and PABX Telephone Systems 

 

Applications

 

  Electronic Key System C. O. Line Ports  

  Electronic Key System Page Ports 

  PABX Page Ports 

  PABX Loop Start Trunk Ports 

Refer to Figure 1 for a simplified block 
diagram of a typical installation. 

 

Features

 

 One 

zone 

  Automatic gain control 

 Pop 

suppression 

  Override capability (using C. O. line position 

or PABX loop trunk port) 

  Low level input for background music 

(typically -17dBm) 

  Automatic background music cutoff (when 

the page port has control leads) 

  Electronic Key System page port access 

  PABX page port access 

  Built-in connection block 

  Directly drives Valcom amplified speaker  

      assemblies 

  Page plus music output (music stops during 

page) 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 

  Page only output 

  C. O. audible ring and tone signaling option 

(requires V-9942 Tone Module)

 

 

Dimensions/Weight

 

Dimensions: 

 8.20"H x 4.55"W x 2.30"D 

 

(20.85cm H x 11.56cm W x 5.84cm D) 

Weight: 

1.5 lbs. (0.68 kg) 

 

Capacity

 

  The V-9937 is a one zone, single talkpath 

unit 

  Access requires a page port 

  Override requires a C. O. line position or a 

PABX loop trunk port 

  Music input provided 

 

Power Requirements

 

-21.5 to -26.0VDC "B" Battery, 200mA maximum 

 

Environment

 

Temperature: 

0 to +50°C 

Humidity: 

0 to 85% (non-precipitating) 

 

 
 
 

Summary of Contents for V-9937

Page 1: ...ain control Pop suppression Override capability using C O line position or PABX loop trunk port Low level input for background music typically 17dBm Automatic background music cutoff when the page por...

Page 2: ...V 9937 Each instruction is preceded by a line Place a check on the appropriate line as the instruction is completed The instructions also include tests along the way to verify connections have been m...

Page 3: ...ng Remove the metal mounting plate from the rear of the V 9937 enclosure Using two 6 inch wood screws mount the plate in a vacant space on the backboard with the telephone system common equipment Both...

Page 4: ...ECTING BLOCK POINTS Wiring Arrangements 1 and 2 Refer to Figure 2 for location and numbering of connection block and Figure 3 for connecting block pin outs ___ 1 Unplug power supply ___ 2 Connect 24VD...

Page 5: ...ack lead of horns NOTE Set speaker volume controls at approximately 1 2 volume during installation Volume Adjustment and Test Refer to Figure 4 for location of volume controls Test the system and adju...

Page 6: ...nd pop suppression circuits Accessing this port will override inputs 2 and 3 Input 2 is transformer coupled to the V 9937 Ground must be applied to pin 3 for this input to operate provided from pin 18...

Page 7: ...ch 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 orig...

Page 8: ...NOT MARKED OPTIONAL MUST BE COMPLETED V 9937 CONNECTING BLOCK FIGURE 5 WIRING CONNECTIONS FOR ARRANGEMENT 1 PAGE ONLY PAGE PLUS MUSIC 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21...

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