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Emergency call box KNZD-09A VoIP
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Catalog excerpts

Emergency call box KNZD-09A VoIP - 1

HONGKONG KOON TECHNOLOGY LTD The Global Leader In Industrial Communication VoIP KNZD-09A Emergency TelephoneDESCRIPTION ITEM NO.: ZD09A0022 1. Cold-roll steel body, vandal & tamper-resistant hardware, easy installation. 2. Waterproof rating IP55 dust proof. 3. LED indicator for incoming call. 4. Hands-free button, built-in 3W loudspeaker. 5. Lightening protection to ITU-T recommendation K.21. 7. Temperature range from -40 degree to +70 degree. 8. Support echo cancellation. 9. Remote software upgrade, configuration and monitoring. 10. Optional 7 minute time out to release the line if the handset is left off hook. (This function upon buyer's requirement). 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, highway, school, park, power plant, bridge etc.

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Emergency call box KNZD-09A VoIP - 2

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...

Open the catalog to page 2

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