Electrical characteristics for an interface at data signaling rates up to 52 mbit s 数据信令速率在52mbit s及其以下时接口的电气特性
4.
Electrical characteristics for an unbalance digital interface for data signal rate up to 512 kbit s 最大至512 kbit s的数据信号率的失衡数字接口的电气特性
5.
Modem operating at data signalling rates of up to 33600 bit s for use on the general switched telephone network and on leased point - to - point 2 - wire telephone - type circuits 公用电话交换网和点对点二线专线电路上使用的数据信号速率高达33600 bit s的调制解调器
