VDSLvery high asynchronous digital subscriber line

vestigial sidebandvery high asynchronous digital subscriber line

universal asynchronous digital subscriber line

SDSL Single-Line Digital Subscriber Line，Single-Line DSL

SDSL Single-Line Digital Subscriber Line

single-line digital subscriber line

HDSL High – bit(data) – rate Digital Subscriber Line

HDSL High – speed Digital Subscriber Line

HDSL High Data Rate Digital Subscriber Line

High Bit-Rate Digital Subscriber Line

High Data Rate Digital Subscriber Line

High Speed Digital Subscriber Line

High-Bit-Rate Digital Subscriber Line HDSL

high-data-rate digital subscriber line， HDSL

high-speed digital subscriber line

single-pair high speed digital subscriber line

vacuum tubevery high bit rate digital subscriber line

VCXOvery high bit rate digital subscriber line

VDIvery high bit rate digital subscriber line