Information technology—Telecommunication and information exchange between systems—DTE/DCE interface back-up control operation using GB/T 3454 interchange circuits
IDT ISO/IEC 8480:1995
全国信息技术标准化技术委员会(SAC/TC 28)
This standard is the original Chinese electronic standard. If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com. After you successfully purchase, we will send the electronic version of this standard to your email address
