Business Telecommunications (BT); Open Network Provision (ONP) technical requirements Standardisation requirements for ONP leased lines
商业电信（BT）；开放网络供应（ONP）技术要求ONP租赁线路的标准化要求

1992-02-01

Business Telecommunications (BT); Open Network Provision (ONP) technical requirements; Standardisation requirements for ONP leased lines Higher order leased lines
商业电信（BT）；开放网络供应（ONP）技术要求；ONP租用线路的标准化要求高阶租用线路

1993-06-01

BUSINESS TELECOMMUNICATIONS (BT). OPEN NETWORK PROVISION (ONP) TECHNICAL REQUIREMENTS. 2 048 KBIT/S DIGITAL UNSTRUCTURED LEASED LINE (D2048U). TERMINAL EQUIPMENT INTERFACE.
商业电信（BT） 开放网络供应（ONP）技术要求 2 048 KBIT/S数字非结构化专线（D2048U） 终端设备接口

1999-01-11

Business Telecommunications (BT); Open Network Provision (ONP) technical requirements; 2 048 kbit/s digital unstructured leased line (D2048U) Attachment requirements for terminal equipment interface
商业电信（BT）；开放网络供应（ONP）技术要求；2 048 kbit/s数字非结构化专线（D2048U）终端设备接口附件要求

1993-12-01

Business telecommunications (BT); Open Network Provision (ONP) technical requirements; 2048 kbit/s digital unstructured leased line (D2048U); network interface presentation; English version ETS 300246:1993
商业电信（BT）；开放网络供应（ONP）技术要求；2048kbit/s数字非结构化专线（D2048U）；网络接口演示；英文版ETS 300246:1993

1994-04-01

Business TeleCommunications (BTC); Background information on the production of the standards defining the Open Network Provision (ONP) minimum set of leased lines
商业电信（BTC）；关于定义开放网络供应（ONP）最小租赁线路集的标准制定的背景信息

1996-03-01

BUSINESS TELECOMMUNICATIONS (BTC). OPEN NETWORK PROVISION (ONP) TECHNICAL REQUIREMENTS. 2 048 KBIT/S DIGITAL UNSTRUCTURED LEASED LINE (D2048U). CONNECTION CHARACTERISTICS.
商业电信（BTC） 开放网络供应（ONP）技术要求 2 048 KBIT/S数字非结构化专线（D2048U） 连接特性

1999-01-11

BUSINESS TELECOMMUNICATIONS (BTC). OPEN NETWORK PROVISION (ONP) TECHNICAL REQUIREMENTS. 2 048 KBIT/S DIGITAL UNSTRUCTURED LEASED LINE (D2048U). ATTACHMENT REQUIREMENTS FOR TERMINAL EQUIPMENT INTERFACE.
商业电信（BTC） 开放网络供应（ONP）技术要求 2 048 KBIT/S数字非结构化专线（D2048U） 终端设备接口的附件要求

1998-06-30