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HONGKONG KOON TECHNOLOGY LTD
Control room telephone KNZD-28K analogue

Control room telephone KNZD-28K analogue

Product catalog summary

Product Overview: The Analogue KNZD-28K Desktop Telephone is designed with a cold-roll steel body, offering vandal and tamper-resistant features suitable for desktop installation. It is waterproof with an IP55 dustproof rating and includes a flat keypad for free dial calling, along with an incoming call indicator.

Key Features:

Service temperature range: -30°C to +75°C.
Magnetic reed hook-switch and optional mechanical hook.
Lightning protection compliant with ITU-T recommendation K.21.
Heavy-duty handset compatible with hearing aids and equipped with a noise-canceling microphone.
Industrial-strength armored cord for the handset.
Telephone line powered with an optional 7-minute timeout feature.
Powder-coated with a UV-stabilized polyester finish and reflective labeling for night visibility.

Applications: Suitable for use in banks, airports, prisons, schools, tunnels, metros, railways, LRTs, speedways, marine environments, ships, control rooms, power plants, and bridges.

Specifications:

PSTN analogue telephone with DTMF dialing.
MTBF: 100,000 hours; MTTR: 2 hours.
Connection via RJ11 screw terminal pair cable.
Compatible with SPC exchange PABX and dispatching exchange systems with a feeding voltage of 33-60V.
Operating conditions: Ambient temperature -30°C to +60°C, relative humidity 10%-95%, atmospheric pressure 86-106 Kpa, and noise level less than 60 dB(A).
Ringing sound level over 70 dB(A).
Standard frequency ranges with a deviation of -1.5% to +1.5%.
Call transmission index for a maximum distance of 7KM.
Hotline setting with a maximum length of 16 digits per number.

Packing Details:

Unit size: 240x100x100mm, Net Weight: 2.21KG.
Single packing box size: 250x110x110mm, Gross Weight: 2.5KG.
8 units packing box size: 470x310x430mm, Gross Weight: 16.6KG.

Catalog excerpts

Control room telephone KNZD-28K analogue-1

Analogue KNZD-28K Desktop Telephone DESCRIPTION ITEM NO.:ZD028K012 1. Cold-roll steel body, vandal & tamper-resistant hardware, desktop installation. 2. Waterproof rating IP55 dust proof. 3. With flat keypad, support free dial calling, desk mounted, with incoming call indicator. 4. Service temperature range from -30 degree to +75 degree. 5. Magnetic reed hook-switch and mechanical hook optional. 6. Lightening protection to ITU-T recommendation K.21. 7. Heavy duty handset with hearing aid compatible receiver, noise canceling microphone. 8. Handset with industrial strong armored cord. 9. Telephone line powered. 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: bank, airport, prison, school, tunnel, metro, railway, LRT, speedway, marine, ship, control room, power plant, bridge etc.

Open the catalog to page 1

Control room telephone KNZD-28K analogue-2

Koon Technology The Global Leader In Industrial Communication 1. PSTN analogue telephone 2. DTMF dialing 5. Connection: RJ11 screw terminal pair cable 6. Applicable for various types of SPC exchange PABX and dispatching exchange system with feeding voltage of 33-60V. 7. Ambient temperature:-30 ~ +60 degree. Relative humidity:10%~95% Atmospheric pressure: 86~106Kpa Circumstance noise:less than60dB(A) 8. Sound level of ringing:over 70dB(A). 10. Call transmission index:(5KM)SLR<12,RLR<-1,STMR>10, output impedance is 600 Ohm. maximum distance: 7KM 11. Hotline setting (maximum length of each number...

Open the catalog to page 2

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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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