VoIP KNZD-39 Emergency Telephone DESCRIPTION ITEM NO.ZD0390022 1. Cold-roll steel body, vandal & tamper-resistant hardware, easy Installation. 2. Waterproof rating IP55 dust proof. 3. Built-in induction loop(optional) 4. Hands-free button, double loudspeaker. LED indicator for incoming call. 5. Lightening protection to ITU-T recommendation K.21. 6. POE power supply or DC12V. 7. Temperature range from -40 degree to +70 degree. 8. Support echo cancellation. 9. Remote software upgrade, configuration and monitoring. 10. Wall mounted type installation. 11. Powder coated in UV stabilized polyester finish. 12. The housing covered with a layer of reflective label for easy identification at night.Optional 13. Application: tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge etc.

Koon Technology The Global Leader In Industrial Communication VoIP SIP2.0 telephone DTMF dialing Hotline(maximum length of each number is 16 digits) Communication: Full duplex 2-way hands-free communication Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF) Power:Power over Ethernet, IEEE802.3af, Class 0 Local power, 12VDC,Idle 2W, Max 10W Auxiliary Contacts:1 Aux Output, dry contact Contact Ratings. Load: Resistive load Rated load:0.3 A at 125 VAC; 1 A at 30 VDC Rated carry current:1A Max.switching voltage:125 VAC,60VDC Max.switching current:1A Audio Codes:G.711, G.722, G.729 Network:10/100...