MULTIPLE DIGITAL SIGNAL MULTIPLEXER

摘要

A method and apparatus (200) for converting multiple 4-wire digital data services (such as, for example, DDS-1 and DDS-2) for transmission over a single twisted pair telephone line (205). The present method includes use of a digital data service remote terminal (219) and a digital data service central office terminal (201). Each terminal converts more than one 4-wire digital data services into a digital signal selected from a group consisting of a 2B1Q format and a 4B3T format for transmission over the single twisted pair telephone line (205). The present method provides an efficient and cost effective technique for increasing 4-wire digital data services to a customer premise without a corresponding increase in the number of telephone lines.