Tunnel Emergency Telephone

Mines, subway tunnels, steel mills, chemical plants, and other hazardous environments often require durable, waterproof, and corrosion-resistant communication equipment to ensure the safety of workers and the effective transmission of production commands. Tunnel emergency telephone are specifically designed for such high-risk environments, especially in scenarios that are humid or filled with volatile chemicals. The device's uniquely formulated housing effectively resists corrosion and moisture intrusion, protecting the internal circuit board. This equipment strictly complies with international standards such as CE, RoHS, and ISO9001:2008.

1. The device casing is made of a new composite material, which is stable in properties and can achieve an IP67 protection level, making it waterproof, dustproof, and corrosion-resistant. It can maintain its appearance over a long period even in outdoor or complex chemical environments.
2. This device supports three connection modes: SIP, analog signal, and direct fiber connection, covering the vast majority of customer needs. Our technical support team is highly experienced and can provide connection solutions tailored to the client's application scenarios.
3. The device features full-duplex communication. When unblocked, the time from ringing to connection does not exceed 3 seconds, greatly improving communication efficiency and ensuring timely transmission of instructions during operations.
4. The keypad panel can be configured with speed dial buttons; after setting specified numbers, a single press can dial in an emergency, simplifying the communication process.
5. It can be set to automatically answer after a designated number of rings. The main control room can directly broadcast messages, so even if personnel miss the call due to not hearing the ring, they can still receive messages via broadcast.
6. LED indicator lights can be optionally configured. In noisy production environments where the ringtone may not be heard, flashing lights along with ringing help prevent missed calls and assist operators in quickly locating the handset from a distance.
7. The indicator lights and handset are designed as an integrated unit, reducing installation steps, simplifying the installation process, and providing a more convenient experience for customers.

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