ProductWaterproof Tunnel Telephone
ModelKNSZ-11
Key Functional Features & Benefits- Cold-roll steel sheet enclosure with vandal & tamper-resistant hardware for easy installation.
- Waterproof and dust proof with IP66 ingress protection.
- Full keypad with memory; 3-button programmable telephone supporting hotline dialing.
- Heavy duty handset with hearing aid compatible receiver and noise cancelling microphone.
- Handset fitted with industrial strong armored cord.
- Silicon keypad keeps keypad waterproof and dust proof.
- Service temperature range: -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 (requires PABX support).
- Optional 7-minute timeout to release the line if handset left off-hook (available upon buyer's requirement).
- Typical applications: tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge, etc.
InstallationInstallation diagrams and mounting dimensions are provided in the product documentation and detailed pictures.
DimensionsSize: 250*165*142.6 (mm). Detailed dimensional drawings available in specifications.
Certification- EN55022 (emissions) and EN55024 (immunity)
- Ingress Protection: GB4208-93 IP66
- FCC
- ITU-T Recommendations K.21
- 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 (or RJ11 socket/plug upon request).
- Applicable for various SPC exchange, PABX and dispatching exchange systems 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 DTMF frequencies: low group 697, 770, 852, 941 Hz; high group 1209, 1336, 1477 Hz; frequency deviation -1.5% ~ +1.5%.
- Call transmission index (5KM): SLR < 12, RLR < -1, STMR > 10. Output impedance 600 Ohm. Maximum distance: 7 KM.
- Memory dialing: up to 12 groups of numbers stored, max length 16 digits each.
VoIP SpecificationVoIP version available with specific VoIP features and parameters; refer to product VoIP specification documentation for full details.
Detailed PicturesDetailed product and installation pictures are provided showing enclosure, handset, keypad and mounting.
Caractéristiques / spécifications techniques- Modèle: KNSZ-11
- Matériel: Cold-roll steel sheet
- Taille: 250 × 165 × 142.6 mm
- Indice de protection: IP66
- Clavier: silicone, étanche et anti-poussière; plein clavier avec mémoire
- Composants audio: écouteur compatible aides auditives; microphone à suppression de bruit
- Cordon: cordon blindé industriel résistant
- Température de service: -40°C à +75°C
- Commutation: magnetic reed hook-switch
- Alimentation: ligne téléphonique (pour version analogue)
- Protection foudre: conforme ITU-T K.21
- MTBF/MTTR: 100000 hours / 2 hours
- Connexions: RJ11 screw terminal pair cable (ou RJ11 socket/plug sur demande)
- Applications: tunnels, métro, chemins de fer, routes à grande vitesse, navires, offshore, mines, centrales électriques, ponts, etc.