HDSL (High speed Digital Subscriber Line)

HDSL (High speed Digital Subscriber Line) - family development is XDSL early, apply more extensive, using an echo suppression, adaptive filter and high-speed Digital processing technology, using 2B1Q coding, using two twisted-pair realize the data transmission, and two-way symmetric transmission rate 2048Kbps / 1544Kbps (T1 / E1 Line), each for transmission rate for 1168Kbit/s, use 24AWG (Gauge Wire as U.S. cable procedures) twisted-pair cable (equivalent to 0.51 mm) when the transmission distance can achieve 3.4 KM, can provide standard T1 / E1 interfaces and v. 35 interface.