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    • 5. 发明授权
    • 유럽방식 ISDN 일차군 속도 가입자 정합장치
    • ISDN订户匹配设备
    • KR1019940007987B1
    • 1994-08-31
    • KR1019910026092
    • 1991-12-30
    • 한국전자통신연구원주식회사 케이티
    • 윤빈영박성수김진태김철규
    • H04M11/06
    • The ISDN primary subscriber CEPT interface circuit icludes a B-channel interface cirucit for transmitting and receiving a B-channel onto a PCM subhighway, a time/space switching cirucit for controlling each CEPT, a hybrid circuit for forming a frame, a line interface circuit for converting a unipolar signal to a bipolar signal to transmit transmitting data stream to a subscriber line, and converting the biipolar signal received from the subscriber to the unipolar signal, a D-channel interface circuit for implementing D-channel link access processing for 4 links, a common memory, and a microprocessing unit, thereby raising the reliability of a primary subscriber.
    • ISDN主用户CEPT接口电路包括用于在PCM子高速公路上发送和接收B信道的B信道接口电路,用于控制每个CEPT的时间/空间切换电路,用于形成帧的混合电路,线路接口电路 用于将单极信号转换为双极信号以将发送数据流发送到用户线路,以及将从用户接收的双极性信号转换为单极性信号,用于实现用于4个链路的D信道链路接入处理的D信道接口电路 ,公共存储器和微处理单元,从而提高主用户的可靠性。
    • 10. 发明授权
    • T1 중계선 정합 보드 어셈블리
    • T1中继线匹配板组件
    • KR1019920007077B1
    • 1992-08-24
    • KR1019890020672
    • 1989-12-30
    • 한국전자통신연구원주식회사 케이티
    • 장문수고성봉김철규이윤주
    • H04L5/00H04J3/06
    • The T1 junction line matching board assembly for providing the matching between the T1 mode PCM junction line and the system comprises; a TSU matching means (1) receiving a clock for time switch terminal, sub-highway bit stream telecommunication of 1.544 MbPS speed, and data transmission; a T/S switch means (2) for exchanging and assigning the stream slots by controlling of firm ware (F/W) connected to the TSU matching means; a DTI hybrid means (3) for processing the T1 attendent function; a line matching means (4) receiving/transmitting the bipolarity PCM data with AMI line code, which is connected to the DTI hybrid means; an OBP circuit operating the system by controlling of microprocessor; a buffer (6) for reading/writing the error state.
    • 用于提供T1模式PCM连接线与系统之间的匹配的T1连接线匹配板组件包括: TSU匹配装置(1)接收时间切换终端的时钟,1.544MbPS速度的子公路比特流电信和数据传输; T / S切换装置(2),用于通过控制连接到TSU匹配装置的固件(F / W)来交换和分配流槽; 用于处理T1出席功能的DTI混合装置(3); 行匹配装置(4)接收/发送与DTI混合装置连接的具有AMI线码的双极性PCM数据; 通过控制微处理器操作系统的OBP电路; 用于读/写错误状态的缓冲器(6)。