ZMUX-100 E + E PDH is a multi-service port with integrated multiplexing and transmission equipment: it will include the 2M /, network, public telephone, a variety of communication services, including comprehensive multiplexing, optical fiber transmission lines. Provide users with a cost-effective equipment selection. 
 Improve the status display for easy maintenance. 
 Modular design of the user interface, can be combined as: 
 4 * E1, 8 * E1, 12 * E1, 16 * E1 
 4 * E1 +100 M, 8 * E1 +100 M, 12 * E1 +100 M, 16 * E1 +100 M 
 Public phones can also add all the way election.