HGBT/AT-GZSeries Fiber Optic Emergency Phone Master Unit for Tunnels、A transmission device custom-made for special applications like integrated pipeline corridors, based on fiber optic ring network technology, primarily designed to transform traditional communication cable wiring into fiber optic star or ring network wiring.By using an optical fiber emergency telephone master station as an access node, the optical fiber slave stations are registered uniformly to the core converged communication server through the master station, thereby constructing an advanced, master-station-based system.GNGPattern-based audio and video tuningDuTongSecure messaging system. The system utilizes standardSIP2.0AgreementNew industrial-grade optical modules, star or ring network mode.
Directly connects to Ethernet, cross-subnet and cross-router, and supports fiber optic transmission (single-mode, multi-mode).
◆Dial via numeric keypad, call any terminal, and achieve full-duplex intercom (default)
Broadcast announcements to areas permitted by authority
Patented phone case design, waterproof and dustproof, no need for a waterproof cover, aesthetically pleasing and practical.
The internal circuit of the telephone uses internationally standard double-sided integrated circuits, featuring clear dialing and talking, stable operation, and other advantages.
Aluminum alloy die-cast housing, stainless steel keyboard, explosion-proof PC earpiece, zinc alloy hanger fork.
◆High-quality 30W*4 channel amplifier with siren and clear, loud sound.
◆Automatic Answering Feature, enabling paging broadcast.
◆ Hotline numbers can be set up for automatic dialing upon picking up the phone.
Volume of speaker and receiver can be adjusted via keyboard.
Aluminum alloy die-cast shell, stainless steel keyboard, explosion-proof PC earpiece, zinc alloy hanger fork.
The housing surface is high-temperature electrostatic spray painting, with excellent antistatic properties and corrosion resistance.
◆Our company independently produces key components such as handles, hooks, and keyboards, with rigorous quality control and a fast response to after-sales feedback.
