ProductName：EmergencytelephoneKNZD-35Productmodel：KNZD-35size：400*220*80mmmaterial：SUS304PDF：i*oduction：INTRODUCTIONINTRODUCTIONMainFeatures: MatchingwithmostPABX,PBXandPAXsystems. 1. MatelbodywithSUSkeypad,solidandtemperaturebearable2. Handsetfree,loudspeaker,keypadwithmemoryforspeeddial3. ResumelightningproofprotectionautomaticallystandardtoITU-TK214. WaterproofgradeisIP65(canimprovetoIP67)5. Themetalshellisprovidedwithgroundingconnectiondeviceandisabsolutelyinsulatedwithinnercircuitandelectric,thenhastheeffectofelectromagnetismshield.6. Supporthotlinecall,canrealizeringoffautomaticallyiftheothersideclose.7. TotallyadoptSMTCcraftworkkeepverygoodquality.8. Thedesignissuperthinandsmart.Embedstyleandhangingstylecanbechosen. 9. Everycallislimited(setbyfiveminutes),autoringoffiftimeexceeded.(Optional)10.ThetelephonehaspassedthecertificateofISO9000(2000)Applications:AsPublictelephoneforindoororoutdoor,elevatorphone,Taxiorbusstandsorstation,Highwaycallbox.Railway,metro,ATMmachinesside, Tunnel,Port,Dock,Mines,Generationfacilities….Agoodidealtelephoneforuseinwetorcorrosiveatmospheres Specification:Maintechnicalindexes: 1.ApplicableforvarioustypesofSPCexchangeanddispatchingexchangesystemwithfeedingvoltageof48-69V.2.Ambienttemperature:-30~+60degreeRelativehumidity:10%~95%Atmosphericpressure:86~106KpaCircumstancenoise:lessthan60dB(A)3.Soundlevelofringing:over70dB(A).4.Standardfrequency:lowfrequencygroup:697.770.852.941Hz,highfrequencygroup:1209,1336,1477Hz,frequencydeviation:-1.5%~+1.5%Ifservicelineisa3Kmsignal-level: Standardfrequency:lowfrequencygroup:-12dB~-6dB,highfrequencygroup:-10dB~-4dB,leveldifferencebetweenlowandhighfrequencyofcompoundsignal:1dB~3dB,thetotaldistortioncausedbyintermodulationofharmonicw*eislowerthanthebasiclevelbyatleast20dB.5.Calltransmissionindex:(5KM)SLR