标准摘要
Includes specific changes to ISO 2110:1989 Clauses 1 and 2, and Table 1. Adds the new Annex B. Annex B is for information only.
英文名称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