Emergency phone(KNZD-09-A) - Product
Place of Origin : Shenzhen,China
Product Description
Matching with most PABX, PBX and PAX systems.
1. Main body with whole stainless steel body, solid and temperature bearable
2. Handset free, loudspeaker,
3. Full keypad with memory, 16 button programmable autodialer phone,
4. Well treated metal keypad against rust and corrosion
5. Resume lightning proof protection automatically standard to ITU-T K21
6. Waterproof grade about IP65
7. The metal shell is provided with grounding connection device and is absolutely insulated
Physical Specification
Other Specification : Specification:
Main Technical Indexes:
1. Applicable For Various Types Of SPC Exchange And Dispatching Exchange System With Feeding Voltage Of 48-69V.
2. Ambient Temperature:-30 ~ +60 DegreeRelative Humidity:10%~95%
Atmospheric Pressure: 86~106Kpa Circumstance Noise:less Than 60dB(A)
3. Sound Level Of Ringing:over 70dB(A).1W Speaker
4. Standard Frequency: Low Frequency Group: 697, 770, 852, 941Hz,
High Frequency Group: 1209, 1336, 1477Hz, Frequency Deviation: -1.5%~+1.5%
If Service Line Is A 3Km Signal-level:
Standard Frequency: Low Frequency Group: -12dB~-6dB, High Frequency Group: -10dB~-4dB, Level Difference Between Low And High Frequency Of Compound Signal: 1dB~3dB, The Total Distortion Caused By Intermodulation Of Harmonic Wave Is Lower Than The Basic Level By At Least 20dB.
5. Call Transmission Index: (5KM)SLR<12,RLR<-1,STMR>10, Output Impedance Is 600 Ohm.
6. Super Strong Function Is Available For Dialing 12 Groups Of Numbers Stored In The Memory (maximum Length Of Each Number Is16 Digits)
