The TCE-DH6808E series Telephone Multiplexer is a series of fully-developed telephone voice transmission equipment independently developed by our company to realize the real-time, synchronous, distortion-free and high-speed telephone + Ethernet signal on single fiber Quality of long-distance transmission, all interfaces with a modular design, support for hot-swappable and Fast Ethernet transmission equipment.High-quality telephone voice effects to meet the needs of users, plug and play design makes installation easy, without the need for on-site regulation, the optical module and core circuits are imported industrial chips, full surface mount, and advanced Lightning protection, anti-electromagnetic radiation devices and other technologies, high stability, all of the optical and electrical interfaces are in line with international standards to ensure that the product can be a variety of complex environments long-term trouble-free continuous operation.