Product 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; noise cancelling microphone.
- Handset with industrial strong armored cord.
- Silicon keypad keeps 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 (dependent on PABX support).
- Optional 7 minute timeout to release the line if the handset is left off hook (available upon buyer's requirement).
- Application: Tunnel, metro, railway, LRT, speedway, marine, ship, offshore, mine, power plant, bridge, etc.
InstallationDesigned for easy installation in tunnels and outdoor/harsh environments; installation size and mounting details provided in product documentation and diagrams.
DimensionsOverall size: 250 x 165 x 142.6 mm. Detailed installation and size diagrams available in the product specification section.
Certification- EN55022: emissions
- EN55024: immunity
- Ingress Protection: GB4208-93 IP66
- FCC
- ITU-T Recommendation K.21 (lightning protection)
- EMC: EN50121 (Railway application - Electromagnetic Compatibility)
Caractéristiques / spécifications techniques- Model: KNSZ-11
- Size: 250*165*142.6 (mm)
- Material: Cold-roll steel sheet
- Ingress protection: IP66
- Operating temperature range: -40°C to +75°C
- Keypad: Full silicon keypad, waterproof and dust proof
- Handset: Heavy duty, hearing aid compatible receiver, noise cancelling microphone, armored cord
- Hook switch: Magnetic reed
- Lightning protection: ITU-T K.21 compliant
- Phone integrity wiring: Supports line monitoring if provided by telephone system
- Optional features: 7-minute auto timeout to release line (on request)
- Analogue Specification:
- 1. PSTN analogue telephone
- 2. DTMF dialing
- 3. MTBF: 100,000 hours
- 4. MTTR: 2 hours
- 5. Connection: RJ11 screw terminal pair cable
- 6. Applicable for various SPC exchange, PABX and dispatching exchange systems with feeding voltage of 33-60V
- 7. Ambient temperature: -30 ~ +60°C; Relative humidity: 10%~95%; Atmospheric pressure: 86~106 KPa; Circumstance noise: <60 dB(A)
- 8. Sound level of ringing: over 70 dB(A)
- 9. Standard frequency: low frequency group: 697, 770, 852, 941 Hz; high frequency group: 1209, 1336, 1477 Hz; frequency deviation: -1.5% ~ +1.5%
- 10. Call transmission index (5KM): SLR < 12, RLR < -1, STMR > 10; output impedance 600 Ohm; maximum distance: 7 KM
- 11. Memory dialing: up to 12 groups stored, max length 16 digits per number
- 12. Connection options: RJ11 screw terminal pair cable (or RJ11 socket/plug upon request)
- VoIP Specification: See product VoIP specification diagrams and details provided in the documentation for VoIP-enabled variant.