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单词
high-bitrate digital subscriber line,HDSL
释义
high-bitrate digital subscriber line,HDSL
Encyclopedia
工学
数字用户线
释
high-bitrate digital subscriber line,HDSL
高比特率数字用户线
用于双绞铜线的用户环路,在长达4千米或更长服务范围内有效传送E1(或T1)速率的业务信息,并提供标准的E1(或T1)接口的传输技术或设备。
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