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HONGKONG KOON TECHNOLOGY LTD
Hotline telephone KNZD-28 VoIP

Hotline telephone KNZD-28 VoIP

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Hotline telephone KNZD-28 VoIP

Product catalog summary

Specifications:

Constructed with a cold-roll steel body, featuring vandal and tamper-resistant hardware, suitable for wall or desktop mounting.
Waterproof with an IP55 dustproof rating.
Designed without a keypad, supports hotline calling.
Offers magnetic reed hook-switch and optional mechanical hook.
Includes lightning protection compliant with ITU-T recommendation K.21.
Equipped with a heavy-duty handset compatible with hearing aids and a noise-canceling microphone.
Handset features an industrial-strength metal cord.
Powered via POE or DC12V.
Operates in temperatures ranging from -40°C to +70°C.
Supports echo cancellation and features a bright flashing light ringing indicator.
Adjustable ringer volume up to 80 dB(A) at one meter.
Allows remote software upgrades, configuration, and monitoring.
Optional 7-minute timeout to release the line if the handset is left off-hook, available upon request.
Finished with a UV-stabilized polyester powder coating.
Housing includes an optional reflective label for nighttime visibility.
Applications include banks, airports, prisons, schools, tunnels, metros, railways, LRTs, speedways, marine environments, ships, control rooms, power plants, and bridges.

Technical Details:

VoIP SIP2.0 telephone with DTMF dialing.
MTBF of 100,000 hours and MTTR of 2 hours.
Supports full duplex 2-way hands-free communication.
Call control signaling via VOIP SIP Info (DTMF) and RFC 2833 (DTMF).
Power options include Power over Ethernet (IEEE802.3af, Class 0) and local power (12VDC, Idle 2W, Max 10W).
Includes 1 auxiliary output with dry contact, rated for resistive load.
Audio codes supported: G.711, G.722, G.729.
Network compatibility: 10/100 BaseTX Ethernet, RJ45 connectors, Cat5e or better.
IP protocols supported: IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
LAN protocols include Power over Ethernet, WLAN, Network Access Control, STP, and RSTP.
Programming through non-volatile flash memory and configuration via Web GUI.
Management features include DHCP and static IP, remote automatic software upgrade, centralized monitoring, and status LED.
Echo cancellation codes: G.167/G.168.

Packing Information:

Unit size: 240x100x100mm, Net Weight: 2.21KG.
Single packing box size: 310x170x140mm, Gross Weight: 2.5KG.
8-piece packing box size: 470x310x430mm, Gross Weight: 16.6KG.

Catalog excerpts

VoIP KNZD-28 Hotline Phone DESCRIPTION ITEM NO.ZD0280022 1. Cold-roll steel body, vandal & tamper-resistant hardware, wall / desktop mounted installation. 2. Waterproof rating IP55 dust proof. 3. Without keypad, support hotline 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. 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.

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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...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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