background image

 

 

 

  

Issue 

5

 

 

947923 

 

 
 

 

V-9923B 

 

CODE CALL UNIT 

 
 

INTRODUCTION

 

The V-9923B Code Call Unit 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 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

 

Valcom V-9923B requires –24VDC talk battery 
and –24VDC signal battery.  Below shows 
current consumption and voltage range: 

 

 

"A" Battery

:     

 

Range:        –21.5 to –26VDC 

 

Idle:            0mA 

 

Operating:  65mA 

 "B" Battery

 

Range:         –21.5 to –26VDC 

 

Idle:              75mA 

             Operating:   125mA 
 

Summary of Contents for V-9923B

Page 1: ...ding 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 verifica...

Page 2: ... on a key system 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 returning dial tone even if all parties hang up Application Key systems and PABX s used in Department stores shopping centers Hospitals nursing homes Noisy locations manufacturing plants Schools...

Page 3: ...to connect the V 9923B to a PABX is 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 require a trunk also and the two trunks should be in a hunt group within the PABX This arrangement allows access to the second V 9923B if the first V 9923B is in use NOTE Advise personnel using code...

Page 4: ... tone will be withheld from the second link until the code call on first link is answered 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 the code call unit begins to transmit tone via the TT and RT leads and the contact on the IN and OUT leads close...

Page 5: ...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 charge plus parts and labor will be applied to units defaced or physically damaged 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 c...

Page 6: ...BK 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 T R L LS INH TO RO OUT IN PC TT RT EP1 EP2 AG AB BG BB A B C D E F PBX AND KEY SYSTEM INPUT ANALOG PBX ANSWER PORT SWITCHED RELAY OUTPUT TO...

Page 7: ...F 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 Vdc BG GROUND BB 24 Vdc NOTE 1 NOTE 2 NOTES 1 LS CONNECTED TO 10 Vac ONLY WHEN USING KEY TELEPHONE 2 IF SWITCHING OUTPUT IS BEING USED INSTEAD OF TONE OUTPUT STRAP IN LEAD TO OUTPUT TO BE SWITCHED I...

Page 8: ...IT 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 OUT 36 IN 11 TONE OUTPUT SWITCHED RELAY OUTPUT K1 K3 TO ANALOG STATION OF PBX ANSWER TO 29 RO 4 T 26 R 1 K2 K2 TO PBX TRUNK OR SPARE LINE BUTTON ON TELEPHONE ACCESS K4 LS INHIBIT CIRCUIT CONTROL CIRCUI...

Reviews: