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HONGKONG KOON TECHNOLOGY LTD
Emergency call box KNZD-09A VoIP

Emergency call box KNZD-09A VoIP

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Emergency call box KNZD-09A VoIP

Product catalog summary

Specifications:

Constructed with a cold-roll steel body featuring vandal and tamper-resistant hardware for durability and easy installation.
Waterproof with an IP55 dustproof rating.
Equipped with an LED indicator for incoming calls and a hands-free button with a built-in 3W loudspeaker.
Lightning protection adheres to ITU-T recommendation K.21.
Power options include Power over Ethernet (PoE) or DC12V.
Operates in temperatures ranging from -40°C to +70°C.
Supports echo cancellation for clear communication.
Allows remote software upgrades, configuration, and monitoring.
Optional 7-minute timeout feature to release the line if the handset is left off-hook, available upon request.
Powder-coated with a UV-stabilized polyester finish and an optional reflective label for nighttime visibility.
Suitable for various applications including tunnels, metros, railways, highways, schools, parks, power plants, and bridges.

Technical Details:

VoIP SIP2.0 telephone with DTMF dialing.
MTBF of 100,000 hours and MTTR of 2 hours.
Full duplex 2-way hands-free communication.
Call control signaling via VOIP SIP Info (DTMF) and RFC 2833 (DTMF).
Power over Ethernet, IEEE802.3af, Class 0, or local power at 12VDC with idle power consumption of 2W and a maximum of 10W.
Auxiliary contacts with dry contact ratings: 0.3 A at 125 VAC; 1 A at 30 VDC.
Unit dimensions: 300x180x95mm, weight: 4.2KG.
Packing details: Single box size 439x277x191mm, weight 5KG; 4 units per outer carton, size 590x460x460mm, weight 27KG.

Certifications:

RCM: AS/NZS CISPR 32, Australian communications: AS/CA S004, Australian Equipment-safety: AS/NZS 60950.1:2015.
EMC: EN50121 for railway applications.

Audio and Network:

Audio codes supported: G.711, G.722, G.729.
Network: 10/100 BaseTX Ethernet with RJ45 connectors, Cat5e or better.
IP Protocols: IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
LAN Protocols: PoE (802.3af), WLAN (IEEE 802.3af), Network Access Control (IEEE 802.1x), STP (IEEE 802.1d), RSTP (IEEE 802.1d-2004).
Programming through non-volatile flash memory and configuration via Web GUI.
Management includes DHCP and static IP, remote automatic software upgrade, centralized monitoring, and status LED.
Echo cancellation codes: G.167/G.168.

Catalog excerpts

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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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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