Instruction/ maintenance manual of the product V-2904 Valcom
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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.
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 Su.
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 Positi.
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.
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 .
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 .
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 .
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.
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.
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.
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.
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 - 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.
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 Patte.
An important point after buying a device Valcom V-2904 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Valcom V-2904 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Valcom V-2904 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Valcom V-2904 you will learn all the available features of the product, as well as information on its operation. The information that you get Valcom V-2904 will certainly help you make a decision on the purchase.
If you already are a holder of Valcom V-2904, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Valcom V-2904.
However, one of the most important roles played by the user manual is to help in solving problems with Valcom V-2904. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Valcom V-2904 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
