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CPU central processing unit Cross Connect 1.in a premises distribution system, equipment used to terminate and administer communications circuits. In a wire cross connect, jumper wires or patch cords
MAAP maintenance administration panels MACSTAR multiple access customer station rearrangement MAC media access control or moves, adds, and changes Main Cross-Connects In a premises distribution system
EMI electromagnetic interference; also, exchange message interface End Office (EO) EO is a LEC (BOC or an ITC) switching system within a LATA where local loops to customer stations are terminated for
CDF Combined Distribution Frame 组合配线架 CDG CDMA(Code Division Multiple Access) Development Group CDMA(码分多址)开发小组 CD-I Compact Disk-Interactive 交互式光盘 CDMA Code
DRAM Dynamic Random Access Memory 动态随机存取存储器 DRAW Direct Read After Write 写后直接读出 DRDW Direct Read During Write 写时直接读出 DRMA Digital Radio Multiple Access 数字无
CPE Customer Premises Equipment 用户前端设备 CPFSK Continuous Phase Frequency Shift Keying 连续相位频移键控 CPM Central Process Module 中央处理模块 CPP Calling Party Pays 主叫方付