对称数字用户回路
Single-Line DSL
SDSL Single-Line Digital Subscriber Line，Single-Line DSL
SDSL Single-Line Digital Subscriber Line
非对称数字用户回路
Asymmetrical digital subscriber line
3-A
ADSL Asymmetrical Digital Subscriber Line
asymmetric digital subscriber loop
非对称数字用户回路局端终止单元
ATU-C ADSL Transceiver Unit Central
非对称数字用户回路远程终止单元
ATU-R ADSL Transceiver Unit Remote
双向对称式宽频网络,分时式回路传输
Time-Division-Shared Digital Subscriber Line (TDSL
对称对数比转换
Modified symmetry Log-ratio transform
symmetry Logratio transform
对称对应
symmetrical correspondence