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HONGKONG KOON TECHNOLOGY LTD
Inmate telephone KNZD-27LCD VoIP

Inmate telephone KNZD-27LCD VoIP

Product catalog summary

Product Description:
The VOIP KNZD-27LCD Jail Telephone is designed with a cold-roll steel body, ensuring vandal and tamper resistance. It features a waterproof rating of IP55, making it dustproof. The telephone includes a full keypad with memory, supporting free dial and programmable buttons. It is equipped with a magnetic reed hook-switch and an LCD display. The device offers lightning protection as per ITU-T recommendation K.21 and includes a heavy-duty handset compatible with hearing aids and a noise-canceling microphone. The handset is connected via a strong metal cord. Power options include POE or DC12V. The SUS keypad is waterproof and dustproof, and the device operates in temperatures ranging from -40 to +70 degrees Celsius. Additional features include echo cancellation, remote software upgrades, and optional line release after 7 minutes if left off-hook. The telephone is powder-coated in a UV-stabilized polyester finish and can be customized in various colors. It is suitable for use in prisons, banks, airports, schools, and other public areas.

Specifications:
The telephone supports VoIP SIP2.0 with DTMF dialing and has an MTBF of 100,000 hours. It allows full duplex 2-way hands-free communication and supports various call control signaling protocols. Power is supplied via Power over Ethernet or locally at 12VDC. It includes auxiliary contacts with specific load ratings. Audio codecs supported are G.711, G.722, and G.729. Network connectivity is provided through 10/100 BaseTX Ethernet with RJ45 connectors. The device supports multiple IP and LAN protocols and features non-volatile flash memory for programming. Management includes DHCP, static IP, remote software upgrades, and centralized monitoring.

Installation and Certification:
The telephone is certified under RCM: AS/NZS CISPR 32, Australian communications: AS/CAS004, and Australian Equipment-safety: AS/NZS 60950.1:2015. It also complies with EMC standards for railway applications.

Packing Details:
The unit size is 280x210x60mm with a net weight of 2.6KG. It is packed in a box measuring 330x250x170mm with a gross weight of 3KG. Six units are packed in an outer carton box measuring 730x390x340mm with a total net weight of 31.8KG and a gross weight of 34KG.

Catalog excerpts

VOIP KNZD-27LCD Jail Telephone DESCRIPTION ITEM NO.ZD027L022 1. Cold-roll steel body, vandal & tamper-resistant hardware, easy installation. 2. Waterproof rating IP55 dust proof. 3. Full keypad with memory, 10 button programmable telephone, support free dial. 4. Magnetic reed hook-switch, with LCD display. 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. SUS keypad keep waterproof and dusty proof. 10. Temperature range from -40 degree to +70 degree. 11. Support echo cancellation. 12. Remote software upgrade, configuration and monitoring. 13. Optional 7 minute time out to release the line if the handset is left off hook.(optional) 14. Powder coated in UV stabilized polyester finish, gray white, blue, red, support OEM. 15. The housing covered with a layer of reflective label for easy identification at night. Optional 16. Application: Prison, bank, airport, school, metro, railway station, LRT, hotel, supermarket and pedestrian areas in cities etc.

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HONGKONG KOON TECHNOLOGY LTD The Global Leader In Industrial Communication VoIP SIP2.0 telephone DTMF dialing Free dial (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,...

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RF-13A
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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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