Issue 8 1 947211 v-2924a talkback intercom system expandable 24/48/72/96 zone contents introduction 1, 2 specifications 2, 3 installation 3, 4 precautionary information 3, 4 v-2924a control/connector locations 5 punchdown block connections 6 attendant port connection 7 background music connection 7 ...
2 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,...
3 background music amplifiers input impedance: 10k ohms frequency response: 50hz to 17khz +/-3 db distortion: signal to noise: -70db output impedance: 45 ohms output power: 1 watt per zone page amplifiers frequency response: 150hz to 7.5khz +/-3db distortion: signal to noise: -70db output impedance:...
4 energy and if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at h...
5 side view top view r79 r80 r82 r115 r81 p3 p7 p8 r16 r11 sw2 sw3 sw1 p10 p6 p10 ac power fuse 115/230 switch battery backup connector switches: sw1 sw2, sw3 sw4 - bgm group select dip switch (see table 1) - option dip switch (see table 1) - battery feed switch (priority port) volume controls: r11 ...
6 figure 2 - punchdown block connections block p3 - speaker outputs block p6 - switch inputs block p7 - system inputs 26 1 27 2 28 3 29 4 30 5 31 6 w/bl bl/w w/o o/w w/gr gr/w w/br br/w w/s s/w r/bl bl/r t sta 1 r sta 1 t sta 2 r sta 2 t sta 3 r sta 3 t sta 4 r sta 4 t sta 5 r sta 5 t sta 6 r sta 6 ...
7 block p7 system inputs sta.21 cc sta.22 cc sta.23 cc sta.24 cc block p3 speaker outputs block p6 switch inputs door plate speaker pushbutton customer provided door opening solenoid -24 vdc gnd door speaker and call switch connection attendant port connection 26 1 27 2 tel. System c. O. Line port t...
8 26 1 37 12 w/bl t bl/w r bk/o o/bk inh. Inh. Tel.Sys. C.O. Line position or single line telephone dedicated "meet me" telephone t r a a1 5.1k ohm inhibit option p7 connecting block p7 connecting block 30 5 32 7 34 9 signal out v-9927a (1-8) com external tone source using a v-9927a *note: external ...
9 p7 connecting block 42 17 44 19 p7 connecting block 44 19 p7 connecting block 44 19 global priority page (from override page port) 42 17 42 17 v-2924a #1 v-2924a #2 v-2924a #3 note: global all call page requires dip switches (sw3-4, sw3-5) to be set on each v-2924a control unit to enable feature. ...
10 p3 speaker outputs zone page option p6 switch inputs 26 1 27 2 28 3 70 volt amp v-1092 26 1 27 2 28 3 * to enable feature, strap must remain across pair when unit is powered clock sync input 45 20 master clock y/s s/y p7 connecting block master clock must make contact closure at 0200 hours. Tsta1...
11 user programming - basic system table 1 – dip switch options for switches sw1 - sw4: (shaded areas indicate default values - unit power source must be removed before altering dip switch settings) switch off switch on main board sw2 sw2-1 station 21 call button normal priority station 21 call butt...
12 operation originate a handsfree page • lift handset, receive dial tone (default) • dial access code • hear alert tone (default) in handset and at speaker • issue page • anyone hearing page can reply handsfree by speaker • hang up to terminate call originate a group page • lift handset, receive di...
13 • 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 presse...
14 note: for group page selection and background music programming: bgm dial codes : group 1 stations 1 – 6 #960 background music off group 2 stations 7 – 12 #961 background music on group 3 stations 13 – 18 group 4 stations 19 - 24 troubleshooting chart problems corrective actions no system operati...
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. Valco...
16 glossary of terms (numbers in parenthesis are the pin outs on p7 connection block required for this feature) attendant port (26/1) - primary system access is achieved on this pair. A dedicated single line telephone, electronic key system c. O. Line position, or pabx loop start trunk port is requi...