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  1. Health - Safety - Environment
  2. Building Security and Machine Safety
  3. Analog telephone
  4. HONGKONG KOON TECHNOLOGY LTD
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Analog telephone KNSZ-11
VoIPIP66for tunnel

Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel
Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel
Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel - image - 2
Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel - image - 3
Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel - image - 4
Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel - image - 5
Analog telephone - KNSZ-11 - HONGKONG KOON TECHNOLOGY LTD - VoIP / IP66 / for tunnel - image - 6
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Characteristics

Network
analog, VoIP
Protection class
IP66
Applications
industrial, for railway applications, for subways, for tunnel, highway, for marine applications, for underground mining
Other characteristics
vandal-proof, waterproof, dust-proof, hotline
Sound level

Min.: 70 dB

Max.: 220 dB

Description

Product Overview
  • Model: KNSZ-11
  • Size: 250*165*142.6 (mm)
  • Material: Cold-roll steel sheet

Key Functional Features & Benefits
  • Cold-roll steel sheet, vandal & tamper-resistant hardware, easy installation
  • Waterproof rating IP66, dust proof
  • Full keypad with memory, 3-button programmable telephone, support hotline dialing
  • Heavy duty handset with hearing aid compatible receiver and noise cancelling microphone
  • Handset with industrial strong armored cord
  • Silicon keypad keeps waterproof and dust proof
  • Service temperature range from -40°C to +75°C
  • Magnetic reed hook-switch; telephone line powered
  • Lightning protection to ITU-T recommendation K.21
  • Phone integrity wiring to enable the telephone system to check if the telephone unit is still operational (function depends on PABX support)
  • Optional 7-minute timeout to release the line if handset is left off-hook (available upon buyer's requirement)
  • Applications: tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge, etc.

Installation
  • Designed for easy and secure installation in harsh environments (see product drawings for mounting dimensions)

Dimensions
  • Overall: 250 x 165 x 142.6 mm

Certification
  • EN55022 (emissions)
  • EN55024 (immunity)
  • Ingress Protection: GB4208-93 IP66
  • FCC
  • ITU-T Recommendation K.21 (lightning protection)
  • EMC: EN50121 (railway application - Electromagnetic Compatibility)

Analogue Specification
  • PSTN analogue telephone
  • DTMF dialing
  • MTBF: 100,000 hours
  • MTTR: 2 hours
  • Connection: RJ11 screw terminal pair cable (or RJ11 socket/plug upon request)
  • Applicable for various types of SPC exchange, PABX and dispatching exchange system with feeding voltage of 33-60V
  • Ambient temperature: -30 ~ +60°C; Relative humidity: 10%~95%; Atmospheric pressure: 86~106 Kpa; Circumstance noise: less than 60 dB(A)
  • Sound level of ringing: over 70 dB(A)
  • Standard frequency: low group 697, 770, 852, 941 Hz; high group 1209, 1336, 1477 Hz; frequency deviation -1.5% ~ +1.5%
  • Call transmission index (5 KM): SLR < 12, RLR < -1, STMR > 10; output impedance 600 Ohm; maximum distance 7 KM
  • Memory dialing: up to 12 groups (maximum length of each number 16 digits)

VoIP Specification
  • VoIP version/specification available (product offers VoIP variant; detailed VoIP technical specification provided by product documentation)

Caractéristiques / spécifications techniques
  • Model: KNSZ-11
  • Size: 250*165*142.6 mm
  • Material: Cold-roll steel sheet
  • Ingress protection: IP66
  • Operating temperature: -40°C to +75°C (service), analogue ambient range -30°C to +60°C
  • Dialing: DTMF (analogue); VoIP dialing supported on VoIP variant
  • Connection: RJ11 screw terminal pair cable (or RJ11 socket/plug on request)
  • Handset: heavy duty, hearing aid compatible receiver, noise cancelling microphone, armored cord
  • Keypad: full silicon keypad, memory dialing (up to 12 groups, 16 digits each)
  • Protection: lightning protection per ITU-T K.21; vandal/tamper resistant hardware
  • Standards/Certifications: EN55022, EN55024, GB4208-93 IP66, FCC, ITU-T K.21, EN50121
  • MTBF: 100,000 hours; MTTR: 2 hours
  • Applications: tunnels, metro, railway, LRT, highways, marine/offshore, mines, power plants, bridges

Catalogs

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Waterproof Telephone

*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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