Product NameWaterproof Tunnel Telephone KNSZ-11
General- 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 supporting hotline dialing.
- Heavy duty handset with hearing-aid compatible receiver and noise-canceling microphone.
- Handset with industrial strong armored cord.
- Silicone keypad keeps unit waterproof and dust proof.
- Service temperature range from -40 degree to +75 degree.
- 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 operational (if PABX supports this function).
- Optional 7-minute timeout to release the line if the handset is left off hook (available upon buyer's requirement).
- Applications: Tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge, etc.
Certification- EN55022: emissions
- EN55024: immunity
- Ingress Protection: GB4208-93 IP66
- FCC
- ITU-T Recommendations K21
- EMC: EN50121 (Railway application - Electromagnetic Compatibility)
Analogue Specification- PSTN analogue telephone.
- DTMF dialing.
- MTBF: 100000 hours.
- MTTR: 2 hours.
- Connection: RJ11 screw terminal pair cable.
- Applicable for various types of SPC exchange, PABX and dispatching exchange systems with feeding voltage of 33-60V.
- Ambient temperature: -30 ~ +60 degree. 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 frequency group: 697, 770, 852, 941 Hz; high frequency group: 1209, 1336, 1477 Hz. Frequency deviation: -1.5% ~ +1.5%.
- Call transmission index (5KM): SLR < 12, RLR < -1, STMR > 10; output impedance is 600 Ohm. Maximum distance: 7 KM.
- Memory dialing: up to 12 groups of numbers stored (maximum length of each number: 16 digits).
- Connection options: RJ11 screw terminal pair cable (or RJ11 socket/plug upon request).
VoIP SpecificationVoIP version available (VoIP-specific technical specification provided for the VoIP variant).
Installation & DimensionsInstallation and dimension diagrams available for mounting and detailed size references.
Detailed PicturesMultiple product detail images and certification images are provided for reference.
Caractéristiques / spécifications techniques- Modèle: KNSZ-11
- Dimensions: 250 x 165 x 142.6 mm
- Matériau: Cold-roll steel sheet
- Indice de protection: IP66 (waterproof, dust proof)
- Plage de température de service: -40 degree à +75 degree
- Main features: full keypad with memory, 3 programmable buttons, heavy duty handset, noise-canceling microphone, armored handset cord, silicone keypad
- Alimentation: telephone line powered (analogue); VoIP variant available
- Connexions: RJ11 screw terminal pair cable (or RJ11 socket/plug on request)
- MTBF/MTTR: MTBF 100000 hours; MTTR 2 hours
- Niveau sonore de sonnerie: >70 dB(A)
- Transmission d'appel: up to 7 KM, call transmission indexes as specified
- Protection contre la foudre: conforme ITU-T K.21
- Certifications principales: EN55022, EN55024, GB4208-93 IP66, FCC, ITU-T K21, EN50121 (EMC railway)