【资料名称】:FUNCTIONAL UNIT DESCRIPTIONS For HLRi
【资料作者】:不详
【资料日期】:不详
【资料语言】:中文
【资料格式】:DOC
【资料目录和简介】:
Introduction to functional unit descriptions
The following chapters contain descriptions of the functional unit types used in the HLRi. Each description includes the information on the basic configuration of the functional unit and the expansion possibilities, if such exist. The unit descriptions are presented in alphabetical order. The following functional units are used in the HLRi:
Authentication Center Unit, ACU
Basic Data Communications Unit, BDCU
Central Memory and Marker, CMM
Clock System, CLS
Common Channel Signalling Unit, CCSU
Database distributor Unit, DBDU
Equipment Identity Register, EIR, including:
-Equipment Main Unit, EMU
-Equipment Identity Register Unit, EIRU
Exchange Terminal, ET
Group Switch 512, GSW 512
Home Location Register Unit, HLRU
Message Bus, MB
Operation and Maintenance Unit, OMU
Power Distribution Fuse Unit, PDFU
Statistical Unit, STU
Storage device cartridges, SD3C-A and SD4C-A.
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