KR950022605A - North American (T1) type P.M.PC link matching device between the home exchange and the remote exchange - Google Patents

North American (T1) type P.M.PC link matching device between the home exchange and the remote exchange Download PDF

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Publication number
KR950022605A
KR950022605A KR1019930029393A KR930029393A KR950022605A KR 950022605 A KR950022605 A KR 950022605A KR 1019930029393 A KR1019930029393 A KR 1019930029393A KR 930029393 A KR930029393 A KR 930029393A KR 950022605 A KR950022605 A KR 950022605A
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South Korea
Prior art keywords
circuit
transmission
data
matching
signal
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KR1019930029393A
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Korean (ko)
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KR960013265B1 (en
Inventor
장문수
류득수
이인환
신동진
Original Assignee
양승택
재단법인 한국전자통신연구소
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Priority to KR1019930029393A priority Critical patent/KR960013265B1/en
Publication of KR950022605A publication Critical patent/KR950022605A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges
    • H04Q3/0062Provisions for network management
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00Digital computers in general; Data processing equipment in general
    • G06F15/16Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/163Interprocessor communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/26Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2201/00Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/30PCM

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

본 발명의 전전지 교환기의 원격 가입자 정합장치인 RASM(Remote Access Subscriber Nodule)과 모국 교환기를 기존 망에 사용되고 있는 T1 1544Kbps 전송 선로를 통하여 연결하는 T1 링크 정합 장치에 관한 것으로 T1 링크 정합보드 어셈블리를 이용하여 이 정합보드와 제어 프로세서 및 외부 블럭간의 연결에 의해 960 채널 즉 40T1의 T1 전송로를 이용하여 프로세서간 통신 데이타 및 서비스 데이타를 전송하는 기능을 제공하는 T1 링크선로 및 회로에 대한 시험을 수행하는 정치로 CCITT G. 703 및 G. 733에서 권고된 포멧 및 전송특성을 만족하는 전송장치와 정합하여 모국 교환기와 연결 운용되는 장치이다.The present invention relates to a T1 link matching device for connecting a remote access subscriber node (RASM), which is a remote subscriber matching device of the battery switch, of the present invention to a T1 1544 Kbps transmission line used in an existing network. Test the T1 link line and the circuit which provides the function to transfer the communication data and the service data between processors by using the T1 transmission line of 960 channels or 40T1 by the connection between the matching board, the control processor and the external block. It is a device that operates in conjunction with the home exchange in accordance with transmission devices that satisfy the formats and transmission characteristics recommended in CCITT G. 703 and G. 733.

Description

국 교환기와 원격 교환장치간 북미(T1) 방식 피.씨.엠 (PCM) 링크 정합 장치North American (T1) type P.M. (PCM) link matching device between station exchange and remote switch

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명이 실장되는 장치의 연결 블럭도.1 is a connection block diagram of a device in which the present invention is mounted.

제2도는 본 발명이 실장되는 장치와 외부 블럭간의 상세 연결도.2 is a detailed connection diagram between an external block and a device in which the present invention is mounted.

제3도는 모국 교환기의 T1 링크 정합장치 구성도.3 is a schematic diagram of a T1 link matching device of a home exchange.

제4도는 본 발명에 따른 T1 PCM 링크 정합 회로(ETLA)의 구성도.4 is a block diagram of a T1 PCM link matching circuit (ETLA) according to the present invention.

Claims (1)

타임스위치 부터 입력된 서브하이웨이 데이타를 변환하고 타임스위치 장치와 2048Kbps 32채널의 직렬PCM 서브하이웨이 데이타를 RS-422 정합방식으로 송수신하며 채널별 스위칭 기능을 포함하여 자국 채널별 루우프 시험 및 대국 채널별 루우프 시험을 가능하게 하는 송수신 데이타 구성회로(41)와, 상기 송수신 데이타 구성회로(41)에서 입력된 데이타를 동기용 신호를 삽입시켜 송신하며, 입력된 신호로부터 프레임 동기신호를 찾아 채널 식별을 하고, 내부에 루우프 시험회로를 구비하여 선로 및 자국, 대국의 중계선 정합장치의 상태를 파악하고 T1 단위의 자국 루우프 시험과 AIS 신호를 이용한 대국 루우프 시험을 수행하는 PCM 송수신 회로(42)와, 상기 PCM 송수신 회로(42)와 T1 전송선로 사이에 설치되어 단극성 펄스를 CCITT에서 권고한 전송 효율이 우수한 양극성 펄스로 상호 변환하는 송수신 선로 정합회로(43)와, 상기 송수신 선로 정합회로(43)F11와 입력된 수신 신호로부터 클럭을 재생하여 프레임(Frame) 동기 신호와 프레임 에러 신호를 갈아 실어 망동기용 기준 주파수로 사용하도록 하는 클럭재생회로(44)와, 상기 PCM송수신회로(42)에 연결되어 대국으로부터 수신된 신호로부터 연속된 비트 2데이타가 0으로 수신될 때 원격 경보로 간주하여 제어 프로세서를 통하여 자국 송신부 이상이나 송신 선로 이상으로 경보메세지를 출력하며, 수신된 신호의 프레임 동기가 맞지 않거나 입력된 신호가 없을 경우 경보비트를 전송하는 경보데이타 삽입/추출회로 (45)와, 송수신 데이타 구성기(41)를 통해 입력된 수신신호에서 발생된 부호규칙 위반(Bipolar violation) 횟수와 자국 루우프 시험 또는 대국 루우프시험의 결과를 공통 메모리에 저장한 후 제어 프로세서 측으로 전달하는 유지보수정보 제어회로 (46)와, 상기 송수신 데이타 구성회로(41)에서 첫번째 프로세서간 통신 채널 데이타를 받아 클럭, 경보상대와 같이 프로세서 통신 네트로 전송하는 프로세서간 통신네트 정합회로(47)와, RS-485 정합방식으로 TD-버스를 통하여 공통 메모리에 저장된 데이타를 읽어가거나 쓰는 동작을 가능하게 하고, 제어 프로세서와의 정합 기능을 수행하는 제어프로세서 정합회로(48)와, 상기 PCM송수신 회로(42)로 수신된 신호로부터 추출된 클럭과 상기 제어프로세서 정합회로(48)로부터 전달되는 시스팀 내부 클럭간의 동기가 일치하지 않을 경우 데이타의 중복 및 유실을 방지하는 슬립 제어 회로(49)를 구비하는 것을 특징으로 하는 모국 교환기와 원격 교환장치간 북미(T1)방식 PCM 링크 정합 장치.It converts the subhighway data inputted from the time switch, transmits and receives the 2048 Kbps 32-channel serial PCM subhighway data with RS-422 matching method, and performs the loop test for each channel and the loop for each channel, including switching function per channel. A transmission / reception data configuration circuit 41 which enables a test and data input from the transmission / reception data configuration circuit 41 are inserted and transmitted by inserting a synchronization signal, and a frame synchronization signal is found from the input signal to identify a channel. PCM transmission and reception circuit 42 having a loop test circuit therein to grasp the state of the line, relay station, and relay line matching device of the station, and to perform a local loop test using a T1 unit and a loop test using an AIS signal. The amount of excellent transmission efficiency that is provided between the circuit 42 and the T1 transmission line to recommend unipolar pulses as recommended by CCITT. Retransmission of the clock from the transmission and reception line matching circuit 43 and the transmission and reception line matching circuit 43 and F11 and the received signal to convert the frame synchronization signal and the frame error signal, the reference for the network synchronizer It is connected to the clock reproducing circuit 44 and the PCM transmitting / receiving circuit 42 to be used as a frequency. Alarm data insertion / extraction circuit (45) and transmission / reception data configurator (41) for outputting an alarm message to the transmitter unit or the transmission line and transmitting an alarm bit when the frame synchronization of the received signal is not correct or there is no input signal. The number of Bipolar violations and the results of local loop test or large loop test. The maintenance information control circuit 46, which is stored in a memory and transmitted to the control processor side, and the processor that receives the communication channel data between the first processors from the transmission / reception data configuration circuit 41 and transmits the data to the processor communication network such as a clock and an alarm partner. A control processor matching circuit (48), which enables the operation of reading or writing data stored in the common memory through the TD bus through the communication net matching circuit (47) and the RS-485 matching method, and performing a matching function with the control processor (48). ) And a slip control that prevents duplication and loss of data when the synchronization between the clock extracted from the signal received by the PCM transmit / receive circuit 42 and the internal clock of the system transmitted from the control processor matching circuit 48 does not match. North American (T1) type PCM link matching device between the home exchange and the remote switch, comprising a circuit 49 . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930029393A 1993-12-23 1993-12-23 Remote access subscriber module KR960013265B1 (en)

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Application Number Priority Date Filing Date Title
KR1019930029393A KR960013265B1 (en) 1993-12-23 1993-12-23 Remote access subscriber module

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Application Number Priority Date Filing Date Title
KR1019930029393A KR960013265B1 (en) 1993-12-23 1993-12-23 Remote access subscriber module

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KR950022605A true KR950022605A (en) 1995-07-28
KR960013265B1 KR960013265B1 (en) 1996-10-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489570B1 (en) * 1998-05-23 2005-08-01 유티스타콤코리아 유한회사 How to connect remote switch and main unit switch

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100270742B1 (en) * 1997-09-19 2000-11-01 윤종용 Apparatus and method for processing call in remote subscriber module of full electronic telephone exchange

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100489570B1 (en) * 1998-05-23 2005-08-01 유티스타콤코리아 유한회사 How to connect remote switch and main unit switch

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