KNTECH Emergency Telephone high quality Elevator Door Phone automatically dial telephone

KNTECH Koontech Waterproof Telephone Emergency Elevator Door Phone City Street Telephone        

Main Features:
1. Analogue phone, hand free telephone, push for help
2. Metal body stainless steel 304 ( we can make stainless steel 316 as optional).
3. Built-in 4 group of memory, sequence dial, if the first number doesn’t answer dial to the next number
4. Auto answer and auto stop if the other side stopped
5. Remote or local modify speed dial telephone number
6. Built-in message record can be programmable, auto report location
7. LED indicator for dialing or answered to make sure seek help message received
8. Time out function to avoid line engaged
9. Handset free, with built-in loud speaker
10. Waterproof grade in IP55 11. Lighting protection to ITU-T K.21
12. The metal shell is provided with grounding
13. Mounting with stainless steel tamper proof screws against shief
14. Dry contact ready if customer need this for CCTV
15. With built-in camera (optional)
16. With external loud speaker (15w) for broadcast (optional)
17. Dry contact for External Camera (optional)

Specification:
Main technical indexes:
1, Applicable for various types of SPC exchange and dispatching exchange system with feeding voltage of 48-69V. Work with Pair cable.
2, Basis on PBX analogue telephone
3, Operating temperature:-10℃~ +55℃ Relative humidity:10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise:≤ 60dB(A)
The ERT assembly housing weather proof with an IP rating of IP55
4, Sound level of ringing:≥70dB(A).
5, Power supply: DC 9-24V @200mA power supply or 9V DC battery or 8.4V Ni MH Battery
6, Dial: DTMF
7, Responses frequency : 550Hz-3400Hz, +/- 3db
8, Operate loop impedance: 600 ohms

Approvals:
EMC: EN50121 (Railway application- Electromagnetic Compatibility)
EN55022: emissions
EN55024: immunity
Ingress Protection: GB4208-93 IP67
ITU-T Recommendations K21

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