Valcom V-2924A User Manual
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Valcom V-2924A User Manual

Talkback intercom system expandable 24/48/72/96 zone
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TALKBACK INTERCOM SYSTEM
EXPANDABLE 24/48/72/96 ZONE
CONTENTS
The V-2924A Talkback Intercom System provides 24 stations with one-way, two-way, group call and all call pages.
Each station can be programmed for one-way or two-way communication. The stations may be grouped into one-
way page groups. The system also provides the ability for a remote speaker location equipped with a call button to
call the attendant location. The attendant receives calling speaker identification when using a Caller ID equipped
telephone or a Caller ID display.
The V-2924A is compatible with standard 45 Ohm speakers and one-way amplified speakers and can be accessed
via a single line phone, E-Key line port or PABX loop start trunk port. An RS-232 port on the control unit provides
a connection for a serial printer for printout of system activity.
The V-2924A provides a background music input and is designed to automatically mute music during a page. The
basic system also provides four (4) contact closures associated with the last 4 zones to allow for door strike plate
activation. Multiple V-2924A control units can be interconnected to allow global all call and global priority pages
for up to six (6) V-2924A control units.
V-2924A
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Issue 8
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Summary of Contents for Valcom V-2924A

  • Page 1: Table Of Contents

    The V-2924A provides a background music input and is designed to automatically mute music during a page. The basic system also provides four (4) contact closures associated with the last 4 zones to allow for door strike plate activation.

  • Page 2: Specifications

    The V-2924A Control Unit provides access to 24 stations. A V-2925A Expansion Unit is available for the V-2924A. Each V-2925A Expansion Unit will increase the capacity of the V-2924A by twenty-four (24) additional stations. Up to three (3) Expansion Units can be added to a system for a total of 48, 72 or 96 zones of paging.

  • Page 3: Installation

    AUXILIARY CONTACTS • Background Music Amplifiers Contact Closures are available on Zones 21, 22, Input Impedance: 10K Ohms 23 and 24 (strike plates) (Main Unit). Each Frequency Response: 50Hz to 17kHz +/-3 dB contact operates when the respective zone Distortion: <...

  • Page 4: Power Connections

    Connect cord set to unit via IEC 320 female connector located on one required to correct the interference at his own end of cord set to IEC 320 male appliance coupler located on V-2924A. • For 115 VAC use, verify fuse rating of 1 Amp and voltage expense.

  • Page 5: V-2924A Control/Connector Locations

    FIGURE 1 - 2924A CONTROL AND CONNECTOR LOCATIONS Top View Side View R115 V-2924A 115/230 Fuse Battery Backup Power Switch Connector Switches: Volume Controls: - BGM Group Select Dip Switch (See Table 1) - Handsfree Speaker to Phone Level SW2, SW3...

  • Page 6: Punchdown Block Connections

    FIGURE 2 - PUNCHDOWN BLOCK CONNECTIONS Block P3 - Speaker Outputs Block P6 - Switch Inputs Block P7 - System Inputs W/BL T STA 1 W/BL INA1 W/BL Tip - Attendant Tel Group 1 BL/W R STA 1 BL/W INB1 BL/W Ring - Attendant Tel T STA 2...

  • Page 7: Attendant Port Connection

    ATTENDANT PORT CONNECTION Tel. System Telephone C. O. Line Port P7 Connecting Block W/BL Caller BL/W ID Box External Signalling Device BACKGROUND MUSIC CONNECTION P7 Connecting Block Low Level W/GR Music GR/W Source DOOR SPEAKER AND CALL SWITCH CONNECTION (STATIONS 1-20) (STATIONS 21-24) Block P3 Speaker Outputs Block P3 Speaker Outputs...

  • Page 8: Inhibit Option

    BR/R Open Switch *NOTE: External tone source requires dip switch settings to enable feature. See Table 1(SW3-8) SMDR PRINTER PORT CABLE DB25 Male DB9 Female To P10 V-2924A Control Unit Baud Rate 9600, 8 bit, no parity, 1 stop bit...

  • Page 9: Override Page Port

    Y/BR BR/Y BR/Y BR/Y NOTE: Global all call page requires dip switches (SW3-4, SW3-5) to be set on each V-2924A control unit to enable feature. GLOBAL PRIORITY PAGE (FROM OVERRIDE PAGE PORT) V-2924A #3 V-2924A #1 V-2924A #2 P7 Connecting Block...

  • Page 10: Zone Page Option

    ZONE PAGE OPTION ONE WAY ONLY V-1092 P3 Speaker Outputs 70 Volt TSTA1 RSTA1 TSTA2 RSTA2 TSTA3 RSTA3 P6 Switch Inputs INA1 INB1 * To Enable Feature, strap must remain INA2 across pair when unit is powered INB2 INA3 INB3 CLOCK SYNC INPUT P7 Connecting Block Master...

  • Page 11: Dip Switch Options

    SW3-3 No 15 second privacy tone to HF speaker 15 second privacy tone to HF speaker SW3-4 Priority phone controls local V-2924A only Priority phone controls all connected V-2924As External priority blocks local priority Local priority overrides external priority SW3-5 (see "Ringing Pattern Options"...

  • Page 12: Operation

    • OPERATION Handsfree alert tone notifies the attendant and speaker location the "Meet Me" or "Follow Me" Originate a Handsfree Page was successful. • Lift handset, receive dial tone (default) • Dial access code Inhibit • Hear alert tone (default) in handset and at Allows the use of a single line phone ("A"...

  • Page 13: Remote Station Access (Call Button)

    • Attendant unlocks door by pressing "*" key twice while connected to door speaker (door speaker must be connected to one of the last four zones of the main board making the door unlock feature available) • Attendant must hang up to terminate call Remote Station Access - Call Button Button Presses Functions...

  • Page 14: Troubleshooting Chart

    (major repairs will be subject to additional charges for parts and labor). This warranty is in lieu of and excludes all other warranties, expressed or implied, and in no event shall Valcom, Inc. be liable for any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the purchase, operation or use of the product.

  • Page 15: Technical Assistance

    When trouble is reported, verify there are no broken connections. Assistance in troubleshooting is available from the factory. Call (540) 563-2000 and press 1 for Technical Support or visit our website at http://www.valcom.com. Valcom equipment is not field repairable. Valcom, Inc. maintains service facilities in Roanoke, VA. Should repairs be necessary, attach a tag to the unit clearly stating company name, address, phone number, contact person and nature of the problem.

  • Page 16: Glossary Of Terms

    Emergency C. C. (34/9) - Contact closure follows emergency activate to enable external tone source. External Tone Input (30/5) - Input for low level tone source (i.e., V-9927A). Global All Call Activate (43/18) - Control pair for use with multiple V-2924A systems that require all call pages to be broadcast to all interconnected systems.

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