1范围本国际标准涉及ISO 8208中规定的在ISO 8802局域网（LAN）上运行的X.25数据包级协议（PLP）的使用。本国际标准第2节规定了使用ISO 8802-2中定义的逻辑链路控制（LLC）2类程序操作X.25/PLP。本国际标准第3节规定了使用ISO 8802-2中定义的LLC 1类程序操作X.25/PLP。

1ScopeThis International Standard deals with the use of the X.25 Packet Level Protocol (PLP) as specified in ISO 8208 operating over ISO 8802 Local Area Networks (LANs).Section 2 of this International Standard specifies the operation of the X.25/PLP using the Logical Link Control (LLC) Type 2 procedures defined in ISO 8802-2. Section 3 of this International Standard specifies the operation of the X.25/PLP using the LLC Type 1 procedures defined in ISO 8802-2.