Customer premises cabling for information technology - 2048 kbit s isdn primary access and leased line network interface 信息技术用用户房屋电缆线路. 2048kbit s isdn基本存取和租用专用通信网接口
2.
Customer premises cabling for information technology . part 2 : 2048 kbit s isdn primary access and leased line network interface 信息技术用用户屋内电缆敷设.第2部分: 2048千字节秒isdn初级接入和租用专线网络接口
3.
Customer premises cabling for information technology - part 2 : 2048 kbit s isdn primary access and leased line network interface ; german version en 50098 - 2 : 1996 建筑物信息电缆敷设.第2部分: 2048千字节秒isdn初级
