The TBC-6120N 4E1 PDH  Multiplexer series products are long-distance transmission through optical fiber single or multiple E1 services, which uses industry-leading technology and special large scale integrated circuits, combined with dedicated digital multiplexing chip developed by the optical transmission products. This type of device supports point-to-point networking and is easy to install and  maintain. With the chassis, the central office and the remote can be unified to achieve fault location quickly. As a result, the fault response speed is saved and the operation and maintenance costs are saved.

The 4E1 PDH Multiplexer provides 8M transmission capacity for the PDH optical transmission system. The circuit part of the equipment is an all-digital circuit. The whole unit is reliable, stable, low in power consumption, high in integration, small in size and easy to install and  maintain. The Equipment to meet the needs of telecom operators and private network users, in line with telecommunications standards. Suitable for power, postal services, banking and China Unicom, mobile telecommunications and other user needs, in line with the standards used by telecom operators.