OverviewModel: KNSZ-11
Size: 250*165*142.6(mm)
Material: Cold-roll steel sheet.
Features- 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 canceling 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 unit is still operational (if PABX supports this function).
- Optional 7 minute timeout to release the line if the handset is left off hook (upon buyer's requirement).
Applications- Tunnel
- Metro
- Railway
- LRT
- Speedway
- Marine / Ship / Offshore
- Mine
- Power plant
- Bridge
CertificationEN55022: emissions; EN55024: immunity
Ingress Protection: GB4208-93 IP66; FCC; ITU-T Recommendations K21
EMC: EN50121 (Railway application - Electromagnetic Compatibility)
Caractéristiques / Spécifications techniques- Model: KNSZ-11
- 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 types of 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 60dB(A).
- Sound level of ringing: over 70dB(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 of numbers stored (maximum length of each number: 16 digits).
- VoIP specification: device available in VoIP version (see product VoIP specification for details).
- Dimensions: 250 × 165 × 142.6 mm.
- Material: Cold-roll steel sheet.