Highway Mine Broadcast Emergency Call Station, Emergency Assistance Tunnel Telephone System, Fiber Optic Network IP Phone – Functional Features; 1；Wall-mounted installation, aesthetically pleasing appearance, 2; The metal casing features a waterproof, dustproof, and moisture-resistant design with an IP65 rating; It supports two 100-Mbps fiber optic ports and 128 ring network nodes, 4; The communication supports the SIP protocol, with the device performing self-checks and reporting its operational status. 5; Supports automatic dialing upon answer, with two sets of quick-dial keys (6); Integrate with the fiber optic emergency telephone server to enable group calling, team calling, and recording functions, 7; Supports 1/0 signal input and output interfaces.Technical parameters;
The optical fiber interface supports multiple modes, including dual-fiber single-mode, single-fiber single-mode, and dual-fiber multi-mode. Feedback 2. Wavelength: 850nm/1310nm/1550nm
Operating temperature: -35°C to 70°C; Relative humidity: 10% to 95%; Atmospheric pressure: 86 to 106 kPa; Ambient noise: ≤100 dB(A).
Vibration ringtone level: ≥90 dB
The communication protocol is standard SIP 2.0, which can be registered to an IP PBX that supports the SIP protocol.
