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Vandal Proof Telephone KNZD-28K VoIP
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Catalog excerpts

Vandal Proof Telephone KNZD-28K VoIP - 1

VoIP KNZD-28K Desktop Phone DESCRIPTION ITEM NO.ZD0280022 1. Cold-roll steel body, vandal & tamper-resistant hardware, desktop installation. 2. Waterproof rating IP55 dust proof. 3. With keypad, support free dial calling. 4. Magnetic reed hook-switch and mechanical hook optional. 5. Lightening protection to ITU-T recommendation K.21. 6. Heavy duty handset with hearing aid compatible receiver, noise canceling microphone. 7. Handset with industrial strong metal cord. 8. POE power supply or DC12V powered optional. 9. Temperature range from -40 degree to +70 degree. 10. Support echo cancellation, with bright flashing light ringing indicator. 11. Enhanced adjustable ringer up to 80 dB (A) at one meter. 12. Remote software upgrade, configuration and monitoring. 13. Optional 7 minute time out to release the line if the handset is left off hook. (This function upon buyer’s requirement). 14. Powder coated in UV stabilized polyester finish. 15. The housing covered with a layer of reflective label for easy identification at night. Optional 16. Application: bank, airport, prison, school, tunnel, metro, railway, LRT, speedway, marine, ship, control room, power plant, bridge etc.

Open the catalog to page 1
Vandal Proof Telephone KNZD-28K 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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