CN2175993Y

CN2175993Y - Outside connection automatic testing keysets for program telephone bureau

Info

Publication number: CN2175993Y
Application number: CN 93229643
Authority: CN
Inventors: 郑金昊
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-11-09
Filing date: 1993-11-09
Publication date: 1994-08-31
Anticipated expiration: 2003-11-09

Abstract

The utility model relates to an automatic switching and testing insertion board for an external line of a program control telephone station, which is matched with a PC computer and a measuring station to use. The utility model is mainly composed of an assembled decoding circuit, a decoding circuit and an insertion board of a printed circuit of electrical elements of a switching executive circuit. A plug arranged on the insertion board of the printed circuit is spliced in an insertion slot on a wiring frame or a wiring box. When the external line fault of a user needs to be tested, the control command is sent out by the PC computer, the external line of the user is automatically switched to the measuring station, and the fault test is carried out by the measuring station. The utility model has the characteristics of convenient installation and operation, and high speed of processing faults, and the exact position of the fault can be judged.

Description

Outside connection automatic testing keysets for program telephone bureau

The utility model relates to a kind of measurement component that outline fault detects in program controlled telephone office that is used for, particularly a kind of can with the automatic switching test plate of the outside line that PC and test desk are used.

Along with the continuous development of Chinese national economy, telecommunication service is busy day by day, and the phone installation amount increases very fast, and following inevitably outside line number of faults is increased sharply.Handle the outline fault that increases day by day how efficiently, apace, this is for handling failure, line upkeep are undoubtedly a problem anxious to be solved as the telephone office of groundwork.

At present, program controlled telephone office to detect outline fault widely used be the manual measurement platform.By it, earlier slotted line is inserted on the socket of a certain corresponding outside line of machine room distributing frame, judge the fault of this outside line then, but, have some problems like this in the measurement: subscribers feeder arrives the user by programme-controlled via distributing frame and several distributing cabinets, there are a plurality of contacts in the middle of it, fault not necessarily occurs in terminal distributing cabinet between the user, may occur between any two distributing cabinets, or first between distributing cabinet and the machine room distributing frame, how to search? test desk can't be determined the definite position of breaking down at this moment need be gone piecemeal to search by the outside line maintenance personal, checking, speed is slow, lose time, and quite bother.Particularly when pegging graft measurement, must at first on bill, find the particular location of fault phone of surveying at the machine room distributing frame, could be inserted into slotted line on this position then, program controlled telephone office for up to ten thousand, not only bill is searched time-consuming, the grafting slotted line is also required great effort very much after finding, and need climb up a ladder sometimes just can be with in the slotted line grafting.Given this, the program controlled telephone office that has has at present used the outside line automatic test equipment of transferring automatically and controlling as bill inquiry and slotted line with PC, though this kind equipment processing speed has improved, but it remains in following deficiency in installation and use: when (1) equipment is installed, make this equipment be connected programme-controlled and distributing frame between, just need the stube cable between original programme-controlled and the distributing frame is cut off, its broken end reconfiguration is come to automatic test equipment, one one ten thousand call gate is programme-controlled, cable count is 11,000 to (the telephone door number adds the trunk line number), the automatic test equipment two ends will be welded 11,000 pairs of cables (amounting to 44,000 lines) respectively like this, this shows, installing engineering is big, misconnection very easily occurs, miss phenomenon, reliability is relatively poor relatively.(2) bulky, need special room and place, complex structure is unfavorable for installing and maintenance.(3) the same definite position that can't conclude that fault takes place with aforementioned manual measurement platform.

At the deficiency that above-mentioned prior art exists, the purpose of this utility model provides a kind of can being used with PC and test desk and installation, the automatic switching test plate of outside line easy to use.

The purpose of this utility model is achieved in that it comprises decoding circuit, decoding circuit and switching executive circuit that constitutes by a plurality of relays and the printed wire plate of assembling above-mentioned each circuit electric component, this plate have a plurality of can with the plug of distributing frame or the corresponding grafting of distributing cabinet slot, the top and bottom of each plug are corresponding respectively be provided with two pairs with distributing frame or distributing cabinet slot in about with two pairs of corresponding deposited copper sheets that join of elastic contact blade, and between should the corresponding up and down deposited copper sheet of two couples respectively with the switching executive circuit in a pair of normally-closed contact of the corresponding relay of institute continuous, a pair of deposited copper sheet joins through a pair of normally opened contact of this relay and two slotted lines respectively below the plug, the input of decoding circuit connects a control line that can join with the PC com port, and the coil of its output each relay in decoding circuit and switching executive circuit joins.During use, this switching test plate is inserted on the slot of distributing frame, article two, slotted line and test desk join, control line and PC com port (parallel port) join, when outline fault appears in a certain subscriber phone, deliver to decoding circuit by address signal and data-signal that PC is exported this subscriber phone outside line through com port, this address signal after decoding is when if the address code of setting with decoding circuit is identical, decoding circuit just will be input to decoding circuit by the data-signal that PC is sent here, corresponding relay adhesive in decoding circuit output control switching executive circuit, the subscriber phone outside line is transferred on two slotted lines, disconnect getting in touch of outside line and user's plate simultaneously, can test this outside line by test desk then, if this switching test plate is installed in the slot of outer each distributing cabinet of machine room, in machine room, can tests to each section outside line outside the machine room.

The utility model has the advantages that: adopt the board plug type structure, easy for installation, need not the cutover cable, fundamentally avoided plug repeatedly and human failure; Volume is little, easy to maintenance, and the spy can make definite judgement to the outside line abort situation in machine room.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is circuit theory diagrams of the present utility model

Fig. 3 is an application schematic diagram of the present utility model.

By Fig. 1-2 as can be known, the assembling decoding circuit, decoding circuit, the printed wire plate 3 of switching executive circuit electric component its with ten plug 4 top and bottom respectively correspondence two pairs of deposited copper sheets 5 are set, connect decoding circuit control line and with the switching executive circuit in a pair of normally opened contact (a-c of each relay, a '-c ') two slotted lines respectively with binding post 2(J1) 2,3,4 pin join, sequence number 1 is a plastic housing, decoding circuit is by toggle switch U3, U4(SW-DIPB) and integrated U2(YYH27) constitute, its input 14 pin link to each other with control line, its output 10-13 pin links to each other with the input of decoding circuit, by toggle switch U3, U4 sets the address code of test board, when PC with address signal and data-signal when control line inputs to integrated U2, when if the address code of its address code and setting is identical, then this decoding circuit data-signal that PC is sent into inputs to decoding circuit; Decoding circuit is by integrated U1(74LS42) constitute, the data-signal that decoding circuit is imported it becomes control signal output and goes the corresponding adhesive of a certain relay in the control switching executive circuit; The switching executive circuit is made of ten relay SW1-SW10, a pair of normally-closed contact (the a-b of each relay, a '-b ') respectively with corresponding ten plugs, the 4 top and bottom (J2 that are arranged on, J3) two pairs of deposited copper sheets link to each other, for example J2 is linked to each other with 1 pin among the J3,2 pin link to each other, the a pair of deposited copper sheet of (J3) is (as 1 pin among the J3 below the

plug

4,2 pin) through a pair of normally opened contact (a-c of relay, a '-c ') be connected binding post J1 in 3, two slotted lines of 4 pin link to each other, when promptly not testing outline fault, user outline links to each other with programme-controlled through the relay normally-closed contact, when a certain subscriber phone outline fault of test, the adhesive under the control of decoding circuit output signal of then a certain corresponding relay, its normally-closed contact disconnects, cut off getting in touch of programme-controlled and this user outline, its normally opened contact closure, user outline and slotted line are joined, thereby realization is to this user's fault test.

This outside line switching test plate application principle is (referring to Fig. 3), with a plurality of (deciding) according to the telephone door number of stored-program control exchange 8 and the quantity of distributing cabinet 11, switching test plate 12 is corresponding respectively to be plugged in the slot 10 of distributing frame 9 and distributing cabinet 11, each switching test plate all each has the address digit of oneself, control line on each switching test plate and two slotted lines all link to each other, when a certain subscriber phone outline fault of test, give a certain test adaptor plate on the distributing frame 9 by the address signal of these user outlines of PC 6 output and data-signal, make the corresponding relay adhesive on this plate, this user's outside line is transferred on the slotted line that connects test desk 7, test by test desk, intact as test result, fault-free between the distributing frame 9 to distributing cabinet 11a then is described, then at address signal and the data-signal of exporting the test adaptor plate of this user outline on distributing cabinet 11a by PC, make a certain corresponding relay adhesive on this plate, the outside line that this user is connected on the distributing cabinet 11a is transferred on the slotted line of test desk, test by test desk, find fault if measure this moment, illustrate that then fault occurs in distributing cabinet 11a between the distributing cabinet 11b, judge the definite position that fault takes place thus.

Claims

1, a kind of program controlled telephone office is with the automatic switching test plate of outside line, it is characterized in that: it comprises decoding circuit, decoding circuit and switching executive circuit that constitutes by a plurality of relays and the printed wire plate of assembling above-mentioned each circuit electric component, this plate have a plurality of can with the plug of distributing frame or the corresponding grafting of distributing cabinet slot, the top and bottom of each plug are corresponding respectively be provided with two pairs with distributing frame or distributing cabinet slot in about with two pairs of corresponding deposited copper sheets that join of elastic contact blade, and between should the corresponding up and down deposited copper sheet of two couples respectively with the switching executive circuit in a pair of normally-closed contact of the corresponding relay of institute continuous, a pair of deposited copper sheet joins through a pair of normally opened contact of this relay and two slotted lines respectively below the plug, the input of decoding circuit connects a control line that can join with the PC com port, and the coil of its output each relay in decoding circuit and switching executive circuit joins.