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Caixa de Chamada de Emergência do Túnel Utilitário
Caixa de Chamada de Emergência do Túnel Utilitário
Caixa de Chamada de Emergência do Túnel Utilitário
Caixa de Chamada de Emergência do Túnel Utilitário

Caixa de Chamada de Emergência do Túnel Utilitário

The industrial telephone adopts aluminum alloy die-casting shell, which has high mechanical strength and strong impact resistance. Its appearance is sturdy and vandal-proof, and it can be divided into two-wire and SIP, network cable and other transmission methods. It can be used in complex application scenarios such as Utility Tunnel, railway, tunnel, etc.

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ParâmetrosDimensãoFormuláriosInstrução
Telephone system: dual-tone multi-frequency;
Incoming call ringing signal light prompt;
Call connection time: ≤ 6S (non-blocking);
Maximum communication distance: 5km;
Graded rated sound pressure level intensity: ≥ 90dBA;
Audio range: 300Hz ~ 3400Hz;
Harmonic distortion: ≤ 5%;
Support wall-mounted and floor-standing;
DTMF call system;
Rated feed voltage: DC48V/DC24V;
Send/receive frequency response: comply with GB/T15279-2002;
Transmit Loudness Rating (SLR): 5 ~ 15dB;
Received Loudness Rating (RLR): -7 ~ 2dB;
Sidetone Masking Rating (STMR): ≥7dB;
The system has strong expansion compatibility and supports standard SIP 2.0 (RFC3261) and related RFC protocols;
Support: TCP/UDP, HTTP, ARP/RARP, DNS, NTP, TFTP, TELNET;
Support one-key direct call dispatcher function;
Provide alarm, monitoring, intercom, broadcast functions;
Adopt advanced echo cancellation technology;
Optional G.729, G.723, G.711, G.722, G.726 and other speech coding methods;
DTMF mode RFC2833, SIP INFO, INBAND;
Support static IP address modification, DNS domain name resolution;
Hands-free/replay/radio playback function;
It can be set through the WEB interface;
Online software upgrade;
Ringing pressure: ≥ 70dB(A);
Ambient temperature: -20℃ ~ +70℃;
Use relative humidity: 10% ~ 95%;
Power supply: AC220V;
Anti-static, waterproof, dust-proof, anti-corrosion sealed touch keys;
Dial keypad: 0 ~ 9 number keys, 3 function keys: tight call key, redial key, hang up key;
Off-hook automatic dialing, can be set to automatically dial the management center or emergency duty room;
Can manually dial out to 119/110 and other outside calls;
Amplifier output power: 30W;
Loudspeaker impedance: 8Ω;
Protection class: IP66;
Dimensions: 319.5x219.5x129mm;
Weight: 3.5Kg;

This product: Utility Tunnel Emergency Call Box

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