Auto Dial Telephone

KNZD-53 Auto dial Telephone

We are the manufacturer of Dust and water proof telephone anti-knocking mining telephone  waterproof emergency telephone for fire alarm zone and jail .

Product feature: 

1. Shell: 304 stainless steel 

2.Handset, buzzing, circuit boards, all the accessories adopt multi-layer waterproof, dustproof structure. 

3.Have good stability, strong anti-jamming capability, accord with national standard GB/T 15279-94 certificate 

4.Can reach to IP66 protection grade. 

5.Shell has completely isolated electrical grounding device and with the internal circuit, electromagnetic shielding effect. 

6.Have excellent sound quality clear, loud noise, no echo 

7.Handset: special engineering plastics, one-piece structure, good sealing,-35 degrees won't burst.

8.Shape is lightness and beauty 

9.Wire: use teflon wire, acid and alkali resistance, high and low temperature resistance, anti-aging, no fire. 

10.Waterproof glue: adopt import waterproof glue, high viscosity, high temperature resistant, high pressure, waterproof minimum 5 years of life 

11.Intelligent busy signal detection function,automatically hang up when received the disconnect signals

 INSTALLATION 

Operation:
      Auto-dial function
      Pick/hang up way: handset control,picking to connect; hang up to disconnect;
      Answer calls: When call, telephone ring,lift the handset, you can talk with each other, hang back the handset after the call.
      Dial phone: lift the handset can be directly dialing the hotline have been set on switches or the number have been storaged

  Waterproof Rate: IP66
  Installs Way: Wall mounted
  Install screw: M6*20Phillips added hexagonal flat combination of three screws+M6 roof explosive/4 sets of each
  Outline Dimensional Drawing: as shown below

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1. PSTN analogue telephone 2. DTMF dialing

3. MTBF:100000hours 

4. MTTR: 2 hours

5. Connection: RJ11 screw terminal pair cable

6. Applicable for various types of SPC exchange PABX and dispatching exchange systemwithfeeding voltage of 33-60V. 

7. Ambient temperature:-30 ~ +60 degree. Relative humidity:10%~95%

Atmospheric pressure: 86~106Kpa Circumstance noise:less than60dB(A)

8. Sound level of ringing:over 70dB(A). 

9. Standard frequency:low frequency group:697. 770. 852. 941Hz, high frequency group:1209. 1336. 1477Hz, frequency deviation:-1.5% ~ +1.5%

10. Call transmission index:(5KM)SLR<12,RLR<-1,stmr>10, output impedance is 600 Ohm. maximum distance: 7KM

11. Hotline setting (maximum length of each number is 16 digits). 

12. Connection: RJ11 screw terminal pair cable (or RJ11 Socket of plug upon request) with stainlesssteel protected.