In this paper, some of its applicable conditions are discussed, including: transmission code selection of HDSL equipment, number of line pairs, bit error rate, transmission media and transmission distance etc.

• 本文介绍了HDSL技术在应用中应考虑的几个问题，包括对HDSL设备传输码型的选择、线对数量、误码率选定、传输媒体和传输距离要求等。