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VSP-V-9923B 

  

Issue 

4

 

 

947923 

 

 
 
 
 

 

V-9923B 

 

CODE CALL UNIT 

 
 

INTRODUCTION

 

This manual provides instructions for identification, 
installation, operation, and technical assistance for 
the Valcom V-9923B Code Call Unit. 
 
The V-9923B provides two or three digit code call 
paging via a loop start trunk port on a PABX or by 
the use of a spare line button on a key system. 
 
The V-9923B code call unit complies with Part 68 of 
the FCC Rules and Regulations and has been granted 
FCC Registration #BAFUSA-68753-KX-N.  The 
ringer equivalence is 0.1B and the unit requires a 
USOC RJ21X connector. 
 
In accordance with FCC Rules and applicable tariffs, 
this code call unit may only be installed with the 
authorization of the owner of the host system. 
 
The FCC Registration #BAFUSA-68753-KX-N, will 
be listed in the affidavits filed with the telephone 
company; it will also be recorded in the system log 
kept by installation and maintenance personnel.  The 
local telephone company is to be notified of the FCC 
registration number when this code call unit is 
installed. 
 

SPECIFICATIONS

 

The V-9923B is capable of providing code signaling 
for paging purposes; it provides for "meet me" 
answer of code call and provides talk circuit and 
signaling tone. 
 

Features

 

 

Trunk level access on PABX's, station level 
answer 

 

Can be used with 1A2 type key systems 

 

81 two digit codes or 729 three digit codes 

 

Uses rotary or tone dial signaling 

 
 
 
 

 
 

 

Dial tone to calling party 

 

Coded tone output for paging systems 

 

Switch controlled code verification tone 

 

Automatically discontinues code sending when   
answered 

 

Capable of being used with another V-9923B to 
provide two link operation 

 

Uses standard 1A2 key system voltages 

 

Mounts on the wall, in a key cabinet, or in the   
PABX Cabinet 

 

Capacity

 

Each V-9923B Code Call Unit provides the necessary 
equipment for 1 link of code call.  For an additional 
link of code call, another V-9923B is required (two 
links maximum). 
 

Dimensions

 

7.1"H x 5.9"W x 2.1"D  
(18.03cm H x 14.99cm W x 5.33cm D) 

 

Power Requirements

 

The Valcom V-9923B requires –24 Vdc talk 
battery and –24 Vdc signal battery.  The current 
consumption and voltage range is shown in Table 1.

 

 
 
 
 
 

Table 1 

      Range 

Idle 

Operating 

"A" Battery 

–21.5 to –26 Vdc     65mA 

"B" Battery 

–21.5 to –26 Vdc   125mA 

 

Nominal Timing and Frequency 

Summary of Contents for V-9923B

Page 1: ...t is installed SPECIFICATIONS The V 9923B is capable of providing code signaling for paging purposes it provides for meet me answer of code call and provides talk circuit and signaling tone Features T...

Page 2: ...stem Figure 2 is a simplified block diagram showing the code call unit and its connections NOTE The code call unit is designed so that it will complete a code call sequence before resetting and return...

Page 3: ...connect the V 9923B to a PABX are shown in Figure 4 The V 9923B requires a loop start trunk port from the PABX for access If more than one link of code call is being provided the second V 9923B would...

Page 4: ...ED TO PREVENT TWO CODES BEING BROADCAST SIMULTANEOUSLY The calling party then dials in a two or three digit number depending upon the position of dipswitch 1 on the code call unit After the last digit...

Page 5: ...he 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...

Page 6: ...K G G BK BK BR BR BK BK S S BK Y BL BL Y Y O O Y Y G G Y Y BR BR Y Y S S Y V BL 1 2 3 4 5 BL V V O O V V G G V V BR BR V V S S V 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30...

Page 7: ...KEY STRIP A1 H S PART OF KEY TELEPHONE INSTRUMENT FIGURE 5 CONNECTION OF V 9923B TO KEY SYSTEM V 9923B LS IN O W 4 BL BK 22 AG AB V BR 47 BR V 48 V S 49 BG V 9923B S V 50 BB 10 Vac LG AG GROUND AB 24...

Page 8: ...T CODES 111 119 121 129 991 999 OFF ON FIGURE 8 OPTION SWITCH SETTINGS LINE SUPERVISION BATTERY FEED RING DETECTOR K2 TONE OR ROTARY PULSE DECODING OSC AND AMPLIFIER LOGIC AND MEMORY K1 TT 40 RT 15 OU...

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