Essential requirements for terminal equipment intended for connection to digital leased circuits of the public telecommunications network using a CCITT Recommendation X.21bis interface
使用CCITT建议X.21bis接口连接到公共电信网络数字租用电路的终端设备的基本要求
发布日期:
1995-01-15
交叉引用:BS 6328:第7BS部分ISO 2110BS ISO/IEC 2593
Cross References:BS 6328:Part 7BS ISO 2110BS ISO/IEC 2593