购买标准后,可去我的标准下载或阅读
ISO 2110:1989/Amd 1:1991 EN
Information technology — Data communication — 25-pole DTE/DCE interface connector and contact number assignments — Amendment 1: Interface connector and contact number assignments for a DTE/DCE interface for data signalling rates above 20 000 bit/s per second
现行
发布日期 :
1991-09-26
实施日期 :