IEEE 802.3ab 协议规范 1000B ASE-T Type 1000BASE-T PCS, type 1000BASE-T PMA sublayer, and type 1000BASE-T Medium Dependent Interface (MDI) are defined. This supplement provides fully functional, electrical and mechanical specifications for the type 1000B
USSD信令流程 概要如下 动发起USSD过程(正常结束，一次交互)： HLR USSDC | Process Unstructured SS Request | |----------------------------------------->| | Process Unstructured SS Request响应 | |<-----------------------------------------| 以下是移动发起的USSD一次交互过程的每条消息的详细记录：（HLR
