Specifications

ManualsBrandsValcom Manualsdoor intercom systemsV-9923B

VSP-V-9923B

Issue 4

1 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 content (8 pages)

PAGE 1
VSP-V-9923B Issue 4 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.
PAGE 2
Specifications DESIGN The timing and frequency specifications of the Valcom V-9923B code call unit are shown in Table 2. Figure 1 is a timing chart showing the nominal timing of a code call. Table 2 Dial Tone Frequency Coded Tone Frequency Time Tones Broadcast Time between tones in a sequence Time between digits in a sequence Time between series of digits 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.
PAGE 3
PBX OUTGOING LOOP START CO TRUNK T Y R TO ACCESS PORT ANSW ER PORT RO TT SPARE LINE BUTTON ON KEY TELEPHONE 10K V-9923B CODE CALL INH RT IN L OUT Y AB AG BB BG LS EP1 X ANALOG PBX STATION CIRCUIT TONE OUTPUT TO PAGING SYSTEM SW ITCHED RELAY OUTPUT EP2 Y X USED W ITH PBX Y USED W ITH 1A2 KEY SYSTEM TO –24 Vdc AND 10 Vac POW ER SUPPLIES TO NEXT V-9923B CODE CALL UNIT IF EQUIPPED FIGURE 2 all connections before plugging the amphenol end of the cable into the V-9923B code call unit.
PAGE 4
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 closes in conjunction with the tones. The unit continues to broadcast the codes until it is released by the calling party going on hook or by someone answering the code call.
PAGE 5
TABLE 3 TROUBLESHOOTING CHART PROBLEMS PROBABLE CAUSES AND SOLUTIONS No dial tone. Verify power connections; check operation of unit by placing test telephone across the T and R leads and going off hook. If dial tone present, check wiring to key system or PABX. If no dial tone, check wiring of EP leads to other units. Verify that all grounds are common. Verify polarity of power connections. Replace unit. No tone output. Remove leads on the TT and RT leads on crossconnect block.
PAGE 6
CB-1 A PBX AND KEY SYSTEM INPUT ANALOG PBX ANSWER PORT SWITCHED RELAY OUTPUT TONE OUTPUT EXPANSION CIRCUIT POWER SUPPLY W/BL BL/W W/O O/W W/G G/W INH W/BR TO BR/W RO W/S S/W R/BL BL/R R/O O/R R/G G/R R/BR BR/R R/S S/R OUT BK/BL BL/BK IN BK/O O/BK BK/G PC G/BK BK/BR BR/BK BK/S TT RT S/BK Y/BL BL/Y Y/O O/Y Y/G G/Y Y/BR BR/Y Y/S S/Y V/BL BL/V EP1 V/O EP2 O/V V/G G/V AG V/BR AB BR/V BG V/S BB S/V T R L LS B 26 1 27 2 28 3 29 4 30 5 31 6 32 7 33 8 34 9 35 10 36 11 37 12 38 13 39 14 40 15 41 16 42 17 43 18
PAGE 7
PART OF PBX LOOP START OUTGOING C.O. TRUNK (ROTARY OR T.T.) T W/BL (1) R BL/W (2) T R TO W/BR (7) RO BR/W (8) T PBX ANALOG STATION PORT R FIGURE 4 CONNECTIONS OF V-9923B TO PABX PART OF KEY TELEPHONE INSTRUMENT V-9923B PART OF CONNECTING BLOCK ROW B P.U. T W/BL (1) R BL/W (2) T R (6) L INH G/W L W/O LG LS O/W (4) A H.S.
PAGE 8
SW BL/BK 2 OUT 3 DIGIT CODES: 111-119, 121-129, ...., 991-999 FIGURE 7 CONNECTIONS OF V-9923B FOR OPERATING A DC SLAVE RELAY T 26 R 1 OFF ON FIGURE 8 OPTION SWITCH SETTINGS TO 29 K2 K3 LINE SUPERVISION K2 BATTERY FEED TONE OR ROTARY PULSE DECODING "A" LEAD OF LINE BUT. K1 OSC. AND AMPLIFIER LOGIC AND MEMORY K1 K1 LS 2 L 27 RO 4 TO ANALOG STATION OF PBX (ANSW ER) RING DETECTOR K2 LAMP ON LINE BUT. SOLID LAMP 2 DIGIT CODES: 11-19, 21-29, .