EPABX Trainer

Model HV-EXP2245
Telephone exchange an electronic boon to the mankind serving from decades for communication. Its one of the best combination of Analog, Digital & Mechanical circuits. The exchange technology has undergone many phase of changes ever since its existence. Automatic Telephone Exchange Training /EPABX System forms the basic of telephone exchanges, EPABX technology study.Both manual and automatic switching can be performed. The functional blocks provides easy understanding of the working of the system. Visualizations of the switching and detections makes it unique. ADTMF Telephone Trainer is supplied for better understanding of Telephony. Technical Specifications Number of inputs :2Trunk /Direct Lines. Number of extension :4Lines. Technology :Cross Point Space Division(Microprocessor based) Standard Features :Tones such as Dial, Busy, Ringetc. Dialing -DTMF and Pulse(Ratio 10pps ) Program Memory :64 Kb EEPROM Loop Resistance :Extension -600 Ohms, Co-line-1200 Ohms. Cross Talk Attenuation :>70 dBm Test Points :More than 25 Nos. Power supply :230 V±10%, 50 Hz /60 Hz onrequest Power Consumption :40.25 VA (approx.) No. of switched faults :8 No. of test points :38 Features that can be set :Line Hunting, Direct Access totrunk line, Redial, Line StatusIndication, Automatic call back,Do Not Disturb, Call Transfer,Call Pick Up, Direct Access TrunkCall Forwarding, Call parking,Conference, Hot line System,Extension Privacy, Call Transfer,Barge in. Dimension (mm.) :W440 ×D 265 × H155 Weight :2.25 Kg (approx.) Fuse :2Amp Included Accessories Telephone Instruments :3Nos. Telephone Trainer :1No. Extension line cords :4Nos. Software CD :1No. AC Adaptor :1No. Easy understanding of various units. Use of functional blocks than traditional circuitry. Study of various detection phenomenon's Detailed circuit study. LED visualizations. Performing manual switching. Study of switching Phenomena. Study of traffic units. Switched faults. CD containing Working Presentation. Supplied with DTMF Telephone Trainer. Experiments that can be performed Generation of various Tones Dial, Tone, Busy Tone, RingBack Tone. Measurement of Ring generation. Study & Analysis of Cross point Space Division switching. Study & Analysis of Manual switching. Analysis of Pulse /DTMF dialing from telephone (Extns). Measurement of Relay & Ring control signals. Study & analysis of ON /OFF hook, Ring detection. Study of power supply.....