KR100226661B1 - Telephone-network matching device of large communication process system - Google Patents

Abstract

The present invention relates to a large capacity communication processing system, and more particularly, to a telephone network matching device of a large capacity communication processing system for simplifying the configuration of a telephone network matching device provided in a large capacity communication processing system to improve the economics in system configuration.

Since the conventional telephone network matching device is composed of seven circuit boards, each circuit board must be matched through a cable when the system is configured. Therefore, the system configuration becomes complicated and the cost is high. .

The present invention can be mounted on a single circuit board by simplifying the configuration of the telephone network matching device provided in the large-capacity communication processing system, thereby improving the economics of the system configuration.

Description

Telephone network matching device for large capacity communication processing system

The present invention relates to a large capacity communication processing system, and more particularly, to a telephone network matching device of a large capacity communication processing system for simplifying the configuration of a telephone network matching device provided in a large capacity communication processing system to improve the economics in system configuration.

In general, in order to provide various information to subscribers, subscribers accommodated in a telephone network must be connected to various information networks through a large capacity communication processing system. Each subscriber is connected to a large capacity communication processing system through a telephone network matching device.

The telephone network matching device 10 of the conventional mass communication processing system is composed of seven circuit boards, and as shown in FIG. 1, an extended E1 / T1 trunk interface unit 11, a clock generation / switch interface unit 12, and a universal signal. A text line interface 20 having a transceiver 13, an alarm access controller 14, and a telephone network processor 15 connected to the telephone network matching device 10 includes a text signal transmitter 21 and text data. The line interface portion 22 is provided. The telephone network processor 15 controls each circuit unit provided in the telephone network matching device 10. The T1 bus extends the extended E1 / T1 trunk interface unit 11, the clock generation / switch interface unit 12, and the universal signal transmission / reception unit. 13 and the alarm access control unit 14, and are matched with the text signal transmission unit 21 of the text line interface unit 20 via the TD bus cable. The extended E1 / T1 trunk interface unit 11 is a circuit unit for processing a relay call, and receives a 4Mhz clock and an 8Khz frame synchronization signal from the clock generation / switch interface unit 12 to receive a clock through the sub highway (SHW). Transmit and receive data with the generation / switch interface unit 12 side, supply the 2.048Mhz and 8Khz clocks extracted from the power PCM signal to the clock generation / switch interface unit 12 side as a reference clock, and provide the telephone network processor ( 15) Send and receive signals between side and station, board and line status, test request and results. In addition, the clock generation / switch interface unit 12 extends the 4Mhz clock and the 8Khz frame synchronization signal generated by the 2.048Mhz and 8Khz clocks from the extended E1 / T1 trunk interface unit 11, and extends the E1 / T1 trunk interface unit ( 11) and time switching operation under the control of the telephone network processor 15 to transmit and receive data with the circuit portion side connected to the sub highway SHW. Meanwhile, the universal signal transceiver 13 is controlled by the telephone network processor 15 through the TD bus and operated by receiving a 4Mhz clock and an 8Khz frame synchronization signal from the clock generation / switch interface unit 12 to operate the sub highway (SHW). It transmits and detects various signals for call connection. The alarm access control unit 14 includes an extended E1 / T1 trunk interface unit 11, a clock generation / switch interface unit 12, a universal signal transceiver unit 13, and a text signal transmission unit in the text line interface unit 20 ( 21 and the alarm generated by the text data line interface unit 22 are collected and notified to the telephone network processor 15. In the text line interface 20, the tuft signal transmission unit 21 performs a function of interfacing signals input and output between the telephone network processor 15 and the text data line interface unit 22. Select processing, signal distribution of the sub highway SHW, and the like.

Since the conventional telephone network matching device 10 is composed of seven circuit boards, each circuit board must be matched through a cable at the time of system configuration, resulting in complicated system configuration and high cost. There is a problem of deterioration.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and by simplifying the configuration of a telephone network matching device provided in a large-capacity communication processing system to be mounted on a single circuit board to improve the economics of the system configuration. An object of the present invention is to provide a large capacity communication processing system telephone network matching device.

A feature of the present invention for achieving the above object is a telephone network matching device of a large-capacity communication processing system having a processor for performing a control operation by inputting / outputting data, and receiving a plurality of clocks as a synchronous clock among the clocks. After selecting one line to be used and dividing at a predetermined frequency, detecting a phase difference between the oscillation clock and the synchronization clock to control the oscillation clock to generate and output a clock and a frame synchronization signal of a predetermined frequency, and according to the control of the processor. A clock generator for controlling a time switch; A relay call processor for transmitting and receiving signals between stations to and from the processor and outputting a plurality of clocks extracted from the PCM signal of the controller to the clock generator for receiving clock and frame synchronization signals from the clock generator; A signal processor configured to receive a clock and a frame synchronization signal from the clock generator and detect and transmit various signals for a call connection through the time switch under control of the processor; A serial processor which is responsible for matching with the text data line interface in the text line interface unit, processes serial data input and output, and performs a signal distribution function for the time switch; An alarm collector configured to collect various alarms for the text data line interface and collect alarms for a circuit board to be separated and configured according to a system configuration through a TD bus cable; The circuit board to be separated and connected through a TD bus to provide a bus interface for controlling data input and output between the circuit board and the processor.

According to the present invention as described above it can be mounted on a single circuit board by simplifying the configuration of the telephone network matching device provided in the large-capacity communication processing system, thereby improving the economics of the system configuration.

1 is a block diagram of a conventional mass communication processing system telephone network matching device.

2 is a block diagram of a telephone network matching device for a mass communication processing system according to the present invention;

Explanation of symbols for main parts of the drawings

31 processor 32 relay call processing unit

33: clock generator 34: signal processor

35: bus interface unit 36: alarm collection unit

37: serial processing unit 40: text line interface unit

41: text data line interface

The telephone network matching device 30 of the mass communication processing system according to the present invention includes a processor 31, a relay call processor 32, a clock generator 33, a signal processor 34, and a bus interface as shown in FIG. A unit 35, an alarm collecting unit 36 and a serial processing unit 37 are provided, and the text line interface unit 40 connected to the telephone network matching device 30 has a text data line interface 41. do. The telephone network matching device 30 is constituted by a single circuit board, and a plurality of circuit boards can be provided according to the system configuration. The processor 31 is connected to the relay call processor 32, the clock generator 33, the signal processor 34, the bus interface 35, the alarm collector 36, and the serial processor 37 to connect the circuit unit. Control the operation. The relay call processor 32 transmits and receives an inter-station signal transmitted and received with respect to the power station to the processor 31 and applies 2.048Mhz and 8Khz clocks extracted from the PCM signal of the power station to the clock generator 33. The clock generator 33 receives 2.048Mhz and 8Khz clocks from the relay call processor 32, selects one line to be used as a synchronization clock among the two clocks, divides the signal into 8Khz, and then synchronizes with the oscillation clock. The oscillation clock is controlled by detecting the phase difference between the clocks, and the 4Mhz clock and 8Khz frame synchronization signal are generated and supplied to the relay call processor 32, the signal processor 34, and the serial processor 37. Control the time switch (not shown) according to the control. The signal processor 34 receives the 4Mhz clock and the 8Khz frame synchronization signal from the clock generator 33 under the control of the processor 31, and detects and transmits various signals for call connection through a time switch. . The serial processor 37 is an interface for interfacing with the text data line interface 41 in the text line interface 40. The serial processor 37 processes input / output serial data and performs a signal distribution function for a time switch. In addition, the alarm collecting unit 36 collects various alarms for the text data line interface 41 and collects alarms for circuit boards to be separated and configured according to the system configuration through the TD bus cable. The bus interface 35 manages data input / output between the circuit board and the processor 31 by connecting a circuit board to be separated through a TD bus.

The telephone network matching device 30 of the mass communication processing system according to the present invention configured as described above operates as follows.

When a call from a subscriber accommodated in the telephone network is applied via a time switch, the relay call processor 32 transmits and receives an inter-station signal transmitted and received with the processor 31 to the processor 31 to process the relay call, and the PCM signal of the large station. The 2.048Mhz and 8Khz clocks extracted from the clock generator 33 are applied to the 4Mhz clock and the 8Khz frame synchronization signal and operate in synchronization therewith. In addition, the signal processor 34 receives a 4Mhz clock and an 8Khz frame synchronization signal from the clock generator 33 under the control of the processor 31, and detects and transmits various signals for call connection through a time switch. Thereafter, the serial processing unit 37 processes the serial data input and output to the text data line interface 41 in the text line interface unit 40 and performs a signal distribution function for the time switch. On the other hand, the clock generator 33 receives the 2.048Mhz and 8Khz clocks from the relay call processor 32, selects one line to be used as the synchronization clock among the two clocks, divides it into 8Khz, and then oscillates the clock. The oscillation clock is controlled by detecting the phase difference between the clock and the synchronous clock to generate and supply a 4Mhz clock and an 8Khz frame synchronization signal to the relay call processor 32, the signal processor 34, and the serial processor 37, and the processor 31 To control the time switch. While performing the operation as described above, the alarm collecting unit 32 collects various alarms for the text data line interface 41 and reports them to the processor 31, and the alarms for the separated circuit board are also connected to the TD bus cable. It collects and reports to the processor 31 side. The bus interface 35 manages data input / output between the circuit board and the processor 31 by connecting a circuit board to be separated through a TD bus.

As described above, the present invention can be mounted on a single circuit board by simplifying the configuration of the telephone network matching device provided in the large-capacity communication processing system, thereby improving the economics of the system configuration.

Claims (1)

A telephone network matching device for a large capacity communication processing system having a processor for performing a control operation by inputting / outputting data, wherein a plurality of clocks are applied to select one line to be used as a synchronization clock from among the corresponding clocks, and divide the signal at a predetermined frequency. A clock generator for detecting a phase difference between the next oscillation clock and the synchronization clock to control the oscillation clock to generate and output a clock and a frame synchronization signal having a predetermined frequency, and to control a time switch under the control of the processor; A relay call processor for outputting a plurality of clocks extracted from a PCM signal of a large station to the clock generator when receiving and transmitting a station-to-station signal transmitted and received with the processor to receive clock and frame synchronization signals from the clock generator; A signal processor configured to receive a clock and a frame synchronization signal from the clock generator and detect and transmit various signals for a call connection through the time switch under control of the processor; A serial processor which is responsible for matching with the text data line interface in the text line interface unit, processes serial data input and output, and performs a signal distribution function for the time switch; An alarm collector configured to collect various alarms for the text data line interface and collect alarms for a circuit board to be separated and configured according to a system configuration through a TD bus cable; And a bus interface configured to connect the separated circuit board through a TD bus to control data input and output between the circuit board and the processor.