Valcom V-9940 User Manual

Also see for V-9940: Technical specifications Datasheet

Contents

Valcom V-9940 User Manual Manual pdf 2 page image

2ALL CALL IN8 OHM OUTALL CALL AUDIOALL CALL IN8 OHM OUTALL CALL AUDIOALL CALL OUT8 OHM OUTZONE 1 INZONE 2 INALL CALL IN TRINTRINTRINVALCOM ONE-WAYAMPLIFIED SPEAKERASSEMBLIESNOTE: When used with a PABX, the PABXmust not return any tones to the called partyafter calling party disconnect on a station tostation call.FIGURE 1BLOCK DIAGRAM OF A TYPICAL PABX INSTALLATIONCapacity• Each V-9940 provides one zone of paging(when connected to its own PABX stationnumber).• Use a V-9940 and a station number perzone for multi-zone paging behind a PABX.• An additional station number and V-9940may be used to provide all call or override ina one-way multi-zone system behind aPABX.• One V-9940 may be used with a Valcommulti-zone page unit to provide up to 36zones of paging on Centrex or central officelines (DTMF signaling only).Dimensions/Weight• 8.20" H x 4.55" W x 2.30" D(20.83cm x 11.56cm x 5.84cm)• 1.7 lbs. (0.77 kg)Power Requirements-21.5 to -26VDC "B" Battery, 200mA maximum(Valcom VP-624B Class 2 power sourcerecommended).EnvironmentTemperature: 0 to +50°CHumidity: 0 to 85% (non-precipitating)SpecificationsTip and Ring Input: 600 OhmsVoltage for Ring Trip: 75-105VACRing Trip Timing: 150msOpen Loop Detect: 150ms starting 1second after ring tripAudio Sense Release: 4, 8, 16, 32 or 64seconds after audio drops below -22dBmTime Out Release: 1, 4, 8, 16, 32 or 64 secondsManual Reset: 25ms groundOutput 1:Impedance: 600 OhmsPage Level Output Level: Input Level-1dBMusic Level Output Level: Input LevelOutput 2:Impedance: 8 OhmsPage Level: -10dBmMusic Level: -17dBmMusic Source: 8 to 600 Ohms-10 to -18dBmAnswer Verification Tone: 500Hz: 250ms On;250ms OffForm C Contacts: 30VDC, 2.0 Amps or125VAC, 1.0 AmpDESIGNGeneralThe Valcom V-9940 Expandable Station LevelPage Adapter is designed to provide access topaging from a standard PABX station number, aCentrex number or a Central Office line. Itshould not be used on coin service lines or partylines. The V-9940 may be directly connected toValcom One-Way Amplified speaker assembliesor may be used in conjunction with Valcom onezone or multi-zone page adapters. Thefollowing sections describe possiblearrangements and detail the equipmentrequired.When One-Way Amplified Speaker Assembliesare specified, consult the Valcom catalog for thestyle desired. Once the style and quantity ofspeakers are determined, select the appropriatepower supply after referring to the ValcomOne-Way Paging VSP or the Marketing Guide.PABX Station Level PagingNOTE: Before proposing Station LevelPaging, perform the following test:1. Dial between two stations on the PABX andanswer the call.2. Have the called party keep listening whilethe calling party hangs up.3. After calling party release, what does thecalled party hear?If the PABX IMMEDIATELY returns any type oftones to the called party (dial tone, reorder tone,