JP2001041991A - Cable wiring identification device and cable type identification device - Google Patents

Abstract

(57) [Problem] To provide a cable wiring discriminating apparatus that automates cable wiring discriminating work and improves the accuracy and speed of cable wiring confirmation when confirming the wiring of various cables whose cable wiring is unknown. SOLUTION: One connector connected to a connector provided at one end of a cable, the other connector connected to a connector provided at the other end of the cable, and a signal for sequentially transmitting an output signal to all pins of the one connector. An output section, a pulse generation section for transmitting a pulse signal to the signal output section, a signal input section for sequentially receiving input signals from all pins of the other connector, an output from the pulse generation section and an output from the signal input section And a display unit that displays the wiring pattern determined by the connection determining unit.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable wiring discriminating apparatus and a cable type discriminating apparatus for realizing a cable wiring discriminating operation from manual operation.

[0002]

2. Description of the Related Art A cable connecting electronic devices is SC.
A wide variety of cables such as SI cables, LAN cables, and RS232C cables are used. Also, R
S232C cable is RS232C straight and RS232C
232C cloth is used, and its cable appearance is the same. At the time of cable connection, the work of determining the wiring of a cable whose cable wiring is unknown was confirmed by conducting a continuity check for each pin with a tester or the like.

FIG. 6 shows a diagram of the prior art. In the figure, the cable 110 whose cable wiring is unknown is
A connector A111 is provided at one end, and a connector a11 is provided at the other end.
2 are provided. In the work of determining the wiring of the cable 110, each one of the connector A111 and the connector a112
Conductivity check is sequentially performed for each pin.

When checking continuity, one connector A
The connection pin 105 is connected to the 1st pin 111 and the tester 1
00 terminal 101a. Further, the connection pin 105 is connected to one pin of the other connector a112, and is connected to the terminal 101b of the tester 100 to check the continuity.
If continuity cannot be confirmed, the connection pin 105 is connected to another pin of the other connector a112, and the tester 100
Is connected to the terminal 101b. If continuity cannot be confirmed, the connection pin 10 is further connected to another pin.
5 is still connected to the other connector a1 in which conduction can be confirmed by connecting
Conduction confirmation is performed for all 12 pins.

When the continuity check of one pin of one connector A111 is completed, the connection pin 105 is connected to the other one pin of one connector A111, and the same operation as described above is repeated. Check the continuity of all pins.

[0006]

As described above, the prior art has the following problems.

1) The work of determining the wiring of a cable whose cable wiring is unknown is performed by using a tester or the like, and checking the continuity of the connector provided on one side of the cable and the connector provided on the other side of the cable one by one for each pin. Was. That is, the cable wiring determination work is performed manually.

2) For this reason, in checking the wiring of a cable whose cable wiring is unknown, the accuracy and speed of checking the cable wiring are reduced.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a cable wiring discriminating apparatus which automates a cable wiring discriminating operation, and improves the accuracy and speed of the cable wiring check when checking the wiring of various cables whose cable wiring is unknown. It is in.

Another object of the present invention is to provide a cable type discriminating apparatus for discriminating the straight or cross of an RS232C cable in checking the type of a cable whose straight or cross of an RS232C cable is unknown.

[0011]

In order to solve the above problems, the present invention takes the following measures.

A cable wiring discriminating apparatus is provided which sequentially transmits a signal to each pin of a connector provided at one end of a cable and determines a wiring pattern of the cable based on an output from a connector provided at the other end of the cable.

By taking the above measures, the work of determining the cable wiring is automated. For this reason, in checking the wiring of a cable whose cable wiring is unknown, the accuracy and speed of checking the cable wiring are improved.

The output signal of the connector provided at one end of the RS232C cable is compared with the input signal of the connector provided at the other end of the RS232C cable.
A cable type discrimination device for discriminating a straight or RS232C cross is constituted.

By taking the above measures, RS232
In checking the cable type of the C cable whose straight or cross is unknown, the operation of determining the type of the RS232C cable is automated.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention adopts the following embodiments.

As shown in FIG. 1, the cable wiring discriminating apparatus comprises a first connector 11 connected to a connector A41 provided at one end of a cable, and a third connector 21 connected to a connector a42 provided at the other end of the cable. A signal output unit 17 for sequentially transmitting an output signal to all the pins of the first connector 11, a pulse generation unit 16 for transmitting a pulse signal to the signal output unit 17, and a signal output unit 17 for all the pins of the third connector 21. A signal input unit 26 for sequentially receiving input signals, and a connection determination unit 27 for determining a cable wiring pattern from an output from the pulse generator 16 and an output from the signal input unit 26
And a display unit 34 for displaying the wiring pattern determined by the connection determining unit 27.

According to the above-described embodiment, a signal is sequentially transmitted to each pin of a connector provided at one end of a cable, and a wiring pattern of the cable can be determined based on an output from a connector provided at the other end of the cable. Yes, it automates the task of determining cable wiring. For this reason, in checking the wiring of a cable whose cable wiring is unknown, the accuracy and speed of checking the cable wiring are improved.

Further, as shown in FIG. 1, in the cable wiring discriminating device, the connection discriminating section 27 compares a connection pattern stored in a connection pattern storage section 32 in advance with a connected pin number by a comparing section 33. And a function of determining the cable type and displaying the cable type on the display unit 34.

By adopting the above embodiment, RS
232C straight or RS232C cross, or other SCSI cable, LAN cable or the like is determined.

Further, as shown in FIG. 1, the cable wiring discriminating apparatus comprises a first connector 11 and a second connector 12 connected to a connector provided at one end of the cable, and a connector provided at the other end of the cable. A third connector 21 and a fourth connector 22 are provided, and the connectors to be connected are switched by the connector switching units 13 and 23 in accordance with the cable for which the cable wiring is to be determined.

By adopting the above embodiment, it is possible to determine the wiring of various types of cables having different connector types.

As shown in FIG. 4, the cable type discriminating device 50 includes a first connector 51 connected to a connector A56 provided at one end of a second cable 55 constituting an RS232C cable, and a first connector 51 constituting an RS232C cable. The third connector 53 connected to the connector a57 provided at the other end of the two cables 55 compares the output signal of the first connector 51 and the input signal of the third connector 53 with RS232C.
A comparison unit that determines the cable type by determining whether the cable is straight or RS232C cross, and a display unit 58 that displays the cable type.

By adopting the above embodiment, RS
In checking the type of a cable whose straight or cross of a 232C cable is unknown, the operation of determining the straight or cross of an RS232C cable is automated.
For this reason, in the type confirmation of the RS232C cable whose cable wiring is unknown, the accuracy of the cable type confirmation and the confirmation speed are improved.

Further, as shown in FIG. 4, the cable type discriminating device 50 is provided at a first connector 51 and a second connector 52 connected to a connector provided at one end of the RS232C cable, and at the other end of the RS232C cable. The connector includes a third connector 53 and a fourth connector 54 connected to the connectors.

By adopting the above-described embodiment, the present invention is applied to the operation of determining the straight or cross of various types of RS232C cables having different connector types.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical embodiment according to the present invention will be described with reference to FIGS. In the following, the same portions are denoted by the same reference numerals, and detailed description may be omitted.

FIG. 2 shows a schematic view of an embodiment of the present invention.

Referring to FIG.
Are a first connector 11 and a second connector 12 for outputting an output signal to a cable for confirming cable wiring.
A third connector 21 and a fourth connector 22 for inputting an input signal from a cable for confirming cable wiring;
A connector selection switch 45 provided corresponding to the first connector 11 to the fourth connector 22 and a display unit 34 are provided on the surface of the apparatus. The first connector 11 and the second connector 12, and the third connector 21 and the fourth connector 22
The connector shape and the number of pins are different from each other so that the wiring of various cables can be confirmed.

The connector selection switch 45 defines a connector to be connected to the cable wiring discriminating apparatus 1 according to the type of the connector provided on the cable for checking the cable wiring. The display unit 34 displays the result of the cable wiring confirmation. In the figure, the connector A41 provided at one end of the first cable 40 for checking the cable wiring is connected to the first connector 11, and the connector a42 provided at the other end of the first cable 40 is connected to the third connector 21. Is shown.

Next, the configuration of the cable wiring determination device 1 will be described.

FIG. 1 shows a diagram of an embodiment of the present invention.

In the figure, reference numeral 11 denotes a first connector, to which the connector A41 provided at one end of the first cable 40 shown in FIG. 1 is connected. Reference numeral 12 denotes a second connector for connecting a connector provided at one end of another cable. Reference numeral 13 denotes a connector switching unit, which defines whether the connector provided at one end of the cable is connected to the first connector 11 or the second connector 12. Reference numeral 14 denotes a connection connector determination unit which determines whether the connector provided at one end of the cable for checking the wiring is connected to the first connector 11 or the second connector 12. In FIG. Confirm that the connection has been established.

Reference numeral 15 denotes an output pin switching unit which, when transmitting an output signal to all the pins of the first connector 11, sequentially switches output pins to be transmitted. Reference numeral 16 denotes a pulse generation unit, which includes a signal output unit 17 and an AND circuit 28 described later.
Sends a pulse signal to 17 is a signal output unit,
The connection connector discriminating unit 14 and the output pin switching unit 15
And the signal from the pulse generator 16 is input, and the output signal is sequentially transmitted to all the pins of the first connector 11.

Reference numeral 21 denotes a third connector, which is shown in FIG.
Connector a4 provided at the other end of the first cable 40 shown in FIG.
2 is connected. A fourth connector 22 connects a connector provided at the other end of another cable. Reference numeral 23 denotes a connector switching unit, which defines whether the connector provided at the other end of the cable is connected to the third connector 21 or the fourth connector 22. Reference numeral 24 denotes a connection connector determination unit that determines whether the connector provided at one end of the cable for checking the wiring is connected to the third connector 21 or the fourth connector 22. In FIG. Confirm that the connection has been made to the terminal 21.

Reference numeral 25 denotes an input pin switching unit, which receives input signals from all pins of the third connector 21 and
The input pins to be received are sequentially switched. Reference numeral 26 denotes a signal input unit which sequentially receives input signals from all pins of the third connector 21. Reference numeral 28 denotes an AND circuit, which sequentially determines the presence or absence of connection from the output from the pulse generator 16 and the output from the signal input unit 26, and outputs the result to an input pin switching signal generator 31 described later. If there is a connection, the number of the connected connection pin is stored and stored in the storage unit 30.

Numeral 31 denotes an input pin switching signal generator.
An input pin switching signal is output to the input pin switching unit 25. Storage unit 30 outputs the signal data to display unit 34. The display unit 34 displays the result. That is, wiring diagrams are displayed for all pins of the connector A41 and the connector a41 corresponding to the first connector 11 and the third connector 21. The details of the display screen will be described later.

Reference numeral 32 denotes a connection pattern storage unit,
The connection patterns of various cables such as a 232C straight, an RS232C cross, a SCSI cable, and a LAN cable are stored. A comparison unit 33 compares the output from the connection pattern storage unit 32 that stores various connection patterns with the output from the storage unit 30 that stores the connected connection pin numbers, and determines the cable type. Output to the display unit 34. The display unit 34 displays the result. That is,
Displays the cable type. The details of the display screen will be described later.

In short, the connection determining unit 27 can determine the wiring pattern of the cable from the output from the pulse generating unit 16 and the output from the signal input unit 26. Also,
The connection determination unit 27 can compare the connection pattern stored in the connection pattern storage unit 32 in advance with the connected connection pin number by the comparison unit 33 to determine the cable type.

FIG. 3 shows a diagram of an embodiment of the present invention.

In FIG. 7A, when a wiring diagram is displayed on the display screen displayed by the display unit 34, all pins of the connector A provided at one end of the cable and the connector a provided at the other end of the cable are used. A wiring diagram showing connection lines is displayed. When displaying the cable type, the display unit 34a such as an LED indicating the corresponding cable is turned on.

In FIG. 6B, when displaying the wiring diagram, the connection pin numbers of the connector a provided at the other end of the cable are displayed corresponding to the respective pin numbers of the connector A provided at one end of the cable. You can also.

FIG. 4 is a schematic view showing an embodiment of the present invention.

Referring to FIG.
Are a first connector 51 and a second connector 52 that output an output signal to a cable for checking the cable type.
A third connector 53 and a fourth connector 54 for inputting an input signal from a cable for confirming a cable type;
A display unit 58 is provided on the surface of the apparatus. The first connector 51 and the second connector 52 and the third connector 53
The fourth connector 54 and the fourth connector 54 have different numbers of pins so that the type of each RS232C cable can be confirmed.

The display section 58 displays whether the RS232C cable is straight or cross, and has a display section 58a indicating that it is a trait and a display section 58b indicating that it is a cross. In the figure, a connector A 56 provided at one end of the second cable 55 for checking the cable type is connected to the first connector 51, and a connector a 57 provided at the other end of the second cable 55 is a third connector 53.
As a result of the cable type confirmation, the display unit 58a is turned on and the second cable 55 is
It shows that it is an RS232C straight.

Next, the configuration of the cable type determination device 50 will be described.

FIG. 5 shows a diagram of an embodiment of the present invention.

FIG. 5A shows, for example, respective wiring diagrams in the case where three wires are used, the second cable 55 is an RS232C straight, and the third cable 70 is an RS232C cross.

In FIG. 6B, the output signal of the connector A provided at one end of the cable for checking the cable type is shown.
The comparison unit for comparing the input signal of the connector a provided at the other end of the cable for confirming the cable type includes a connector A, which corresponds to the wiring diagram of the second cable 55 in FIG.
And an input signal of the connector a are input to each NAND gate 61 for performing a NAND operation, and the output of each NAND gate 61 is subjected to a NOR operation for a NOR gate 62.
When the output of the NOR gate 62 is “1”,
The second cable 55 is determined and the display unit 58 is turned on.

On the other hand, the output signal of the connector A and the input signal of the connector a are input to each NAND gate 61 for performing a NAND operation, as corresponding to the wiring diagram of the third cable 70 in FIG. The output of each NAND gate 61 is input to a NOR gate 62 that performs a NOR operation. If the output of the NOR gate 62 is “1”, the output is determined to be the third cable 70 and the display unit 58 is turned on.

[0051]

As described above, according to the present invention, the following effects can be expected.

One connector connected to a connector provided at one end of the cable, the other connector connected to a connector provided at the other end of the cable, and a signal for sequentially transmitting output signals to all pins of the one connector An output unit, a pulse generation unit that transmits a pulse signal to the signal output unit, a signal input unit that sequentially receives input signals from all pins of the other connector, and an output from the pulse generation unit and a signal input unit. By providing a connection discriminating unit for determining a wiring pattern of a cable from the output of the cable and a display unit for displaying the wiring pattern determined by the connection discriminating unit, a signal is sequentially transmitted to each pin of a connector provided at one end of the cable. , The cable wiring pattern can be determined based on the output from the connector provided at the other end of the cable, which automates the task of determining the cable wiring It can be. For this reason, it is possible to improve the accuracy and speed of checking the cable wiring when checking the wiring of the cable whose cable wiring is unknown.

Further, the cable wiring discriminating device has a function of comparing the connection pattern stored in advance by the connection discriminating unit with the connected pin number to determine the cable type, and displaying the cable type on the display unit. By preparing
An RS232C straight or RS232C cross, or other SCSI cable, LAN cable, or the like can be determined.

Further, the cable wiring determining device includes a plurality of connectors connected to a connector provided at one end of the cable and a plurality of connectors connected to the connector provided at the other end of the cable. By switching the connector to be connected according to the cable, it is possible to cope with wiring determination of various types of cables having different connector types.

One connector for connecting to a connector provided at one end of the RS232C cable,
The other connector connected to the connector provided at the other end of the cable is compared with the output signal of one connector and the input signal of the other connector, and the RS232C straight or R232C is used.
By providing a comparison unit that determines the cable type by determining the S232C cross, and a display unit that displays the cable type, the RS232C cable can be used to check the type of the RS232C cable with an unknown straight or cross.
The work of determining whether a cable is straight or crossed can be automated. For this reason, in the type confirmation of the RS232C cable whose cable wiring is unknown, the accuracy and the confirmation speed of the cable type confirmation can be improved.

Further, the cable type discriminating apparatus includes an R
By providing a plurality of connectors to be connected to the connector provided at one end of the S232C cable and a plurality of connectors to be connected to the connector provided at the other end of the RS232C cable, a straight or cross of various types of RS232C cables having different connector types can be connected. It can be applied to the work of determining.

[Brief description of the drawings]

FIG. 1 is a diagram of an embodiment of the present invention.

FIG. 2 is a schematic view of an embodiment of the present invention.

FIG. 3 is a diagram of an embodiment of the present invention.

FIG. 4 is a schematic view of an embodiment of the present invention.

FIG. 5 is a diagram of an embodiment of the present invention.

FIG. 6 is a diagram of the prior art.

[Explanation of symbols]

 1: Cable wiring discriminating apparatus 11: First connector 12: Second connector 13: Connector switching section 14: Connection connector discriminating section 15: Output pin switching section 16: Pulse generating section 17: Signal output section 21: Third connector 22: Fourth connector 23: connector switching unit 24: connection connector determination unit 25: input pin switching unit 26: signal input unit 27: connection determination unit 28: AND circuit 30: storage unit 31: input pin switching signal generation unit 32: connection pattern Storage unit 33: comparison unit 34: display unit 50: cable type determination device 51: first connector 52: second connector 53: third connector 54: fourth connector 58, 58a, 58b: display unit 61: NAND gate 62: NOR gate

Claims (5)

[Claims] An output signal is sequentially transmitted to one connector connected to a connector provided at one end of a cable, the other connector connected to a connector provided at the other end of the cable, and all pins of the one connector. A signal output unit that transmits a pulse signal to the signal output unit; a signal input unit that sequentially receives input signals from all pins of the other connector; an output and a signal input from the pulse generation unit A cable wiring determination device, comprising: a connection determination unit that determines a wiring pattern of a cable from an output from a unit; and a display unit that displays the wiring pattern determined by the connection determination unit. 2. The cable wiring discriminating device has a function of comparing a connection pattern stored in advance by the connection discriminating unit with a connected pin number to determine a cable type, and displaying the cable type on a display unit. The cable wiring determination device according to claim 1, comprising: 3. The cable wiring discriminating apparatus includes a plurality of connectors connected to a connector provided at one end of the cable, and a plurality of connectors connected to a connector provided at the other end of the cable. 3. The cable wiring determination device according to claim 1, wherein a connector to be connected is switched according to the cable. 4. One connector connected to a connector provided at one end of the RS232C cable, the other connector connected to a connector provided at the other end of the RS232C cable, an output signal of one connector and an input of the other connector. RS232C straight or RS232
A cable type determination device, comprising: a comparison unit that determines a cable type by determining a C cross; and a display unit that displays a cable type. 5. The cable type discriminating apparatus comprises: a plurality of connectors connected to a connector provided at one end of an RS232C cable; and a plurality of connectors connected to a connector provided at the other end of the RS232C cable. The cable type discriminating apparatus according to claim 4, wherein