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Valcom V-2904 - page 1
Issue 7 V-2904 UNIVERSAL FOUR DOOR ANSWERING SYSTEM INTRODUCTION The V-2904, Universal Four Door Answering System, when used with Valcom Door Plate Speakers, provides voice paging with handsfree reply to up to four doors from any telephone location. The V-2904 initiates ring-in on the telephone system and sends a confirmation tone to the door speak ...
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Valcom V-2904 - page 2
E-Key C.O.Line Position V-2904 Universal Four Door Answering Syste m Doorplat e Speaker wit h Pus hbutto n Up to 4 Locat ions FIGURE 1 - SIM PLIFIED BLOCK DIAGRAM OF A TYPIC AL INSTALL ATION Powe r Supply Features • Compatible with PABX, E-Key and 1A2 telephone • Switch selectable - loop or ground start access • Provides handsfree talkback to ...
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Valcom V-2904 - page 3
Components The following equipment is recom mended when using the V-2904: • 1 - V-2904 Universal Four Door Answering System • 1 - C. O. Line Position (Electronic Key System); 1 - Loop Trunk Position (PABX) or 1 - 400 type line card (1A2 key) • 1 - Dedicated single line phone* • 1 to 4 Valcom Doorplate Speaker(s)** • 1 - VP-624B Power Supp ...
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Valcom V-2904 - page 4
Position the remaining screws and fasten through the remaining m ounting slots. Tighten screws. Connections NOTE: The V-2904 could be used with equal success at a doorway, gateway, window, secure room or combination of these just to name a few possible applications. The term station is used to designate a location. Station 1 is used when describing ...
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Valcom V-2904 - page 5
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 44 19 45 20 46 21 47 22 48 23 49 24 50 25 W/ B L BL/W W/ O O/W W/ G R GR/W W/ B R BR/W W/ S S/W R/BL BL/R R/O O/R R/G G/R R/BR BR/R R/S S/R BK/BL BL/BK BK/O O/BK BK/G G/BK BK/BR BR/BK BK/S S/BK Y/B L BL/Y Y/O O/Y Y/G G/Y Y/B R BR/Y Y/S S/Y V/BL BL/V V ...
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Valcom V-2904 - page 6
Ph one t o S pe ak er Music All C al l Gnd S t art Loop S t art SW 2 Off On Sp eaker t o Ph one Ri nge r SW 1 R J 11 Po we r L ED Figur e 3 - C onn ec tor and C on tro l L ocat i on s V-29 04 VPB-260 Figur e 4 - Bat t ery Backu p T YP IC A L A P P L IC A T IO NS H ands fr ee S peak er 1 T i p H ands fr ee S peak er 1 R in g D oor But ton 1 Gr ound ...
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Valcom V-2904 - page 7
TYPIC A L A PP LIC A T IONS (Continued) Re mo te 1 Gr ound 1 (G/R) P 8 (BR/R) P 9 Mom ent ar y Si ngle P o le, N. O. Single T hrow Switch 66 Bl ock Eq uipme nt Cus t omer Pr ovi d ed Fi gure 7 - Remo te/ Confi rmat i on Pu shbu tto n fo r M a nua l Doo r Re lease St ati on 1 Gr ound 1 (BL/R) P 6 (BR/R) P 9 66 Bl ock Eq uipme nt Cus t omer Pr ovi d ...
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Valcom V-2904 - page 8
Door Sensor When this contact is shorted (by opening the door, gate, etc.) without a legitimate dialpad or rem ote key press opening, this will initiate an alarm condition. Refer to Figure 9 for typical connections. Unauthorized Door Opening During an alarm state, UDO (unauthorized door opening) goes to ground, to signal a customer provided alarm t ...
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Valcom V-2904 - page 9
Activate Lock Relay (Door Unlock) • 2 seconds on, 4 seconds off (American ring) • 2 bursts in 2 seconds, 2 seconds off (British ring) This code would be used to operate the door unlock contacts which can be used to open an electric lock used at a doorway or gate. The default access code to activate the lock relay is *. This code can be from 1 t ...
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Valcom V-2904 - page 10
Ent ry D el ay Ti me NOTE: When a disabled station is accessed, the alert tone will be at a lower tone as a reminder that the alarm at that st ation has been disabled. If a key entry occurs at a door (an entry not using the dialpad or remote button) the rem ote button must be pressed or the confirmation code m ust be dialed on the telephone keypad. ...
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Valcom V-2904 - page 11
code can be dialed from the phone to operate the relay to unlock the door. The lock relay will remain open for a programm ed period of time. A normally open, single-pole push button switch can also be connected to the V-2904 to manually operate the door unlock relay. The lock relay will remain open as long as the remote button is held (m aximum 99 ...
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Valcom V-2904 - page 12
Station On Hold Calls can be placed on hold by pressing the switchhook. This press should be a flash of less than one second. Holding the switchhook down for a longer period will disconnect the call. TECHNICAL ASSISTANCE When trouble is reported, make certain there are no broken connections leading to this system. Table 1 identifies some possible p ...
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Valcom V-2904 - page 13
TABLE 1 - TROUBLESHOOTING CHART PROBLEMS ACTIONS • No system operation; Power LED not lit. • No system operation; power LED is lit. • No paging at speaker. • Paging at speaker but no reply from speaker. • No system ringing when doorplate button pressed. • Door unlock relay does not operate. • Door strike does not operate. • Verify p ...
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Valcom V-2904 - page 14
PROGRAM CHART - RECORD AND FILE IN A SECURE PLACE Function Default Reprogram Pa ramete r New Program Master Access Code (MAC) 1 2 3 # # # 1 2 3 * * * ______ * * * 7 digits excluding # and * Ring Pattern American Ring British Ring Dutch Ring American Ring # MAC * 5 # MAC * 6 # MAC * # Station Identification ID beeps always generated ID beeps when al ...
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