JP3315214B2 - Communication cable misconnection detection processing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a transmission package, and receiving packages relates erroneous connection detection processing method communication cable used in the communication system and a communication cable for connecting between the two packages More particularly, the present invention relates to a communication cable erroneous connection detection processing method capable of detecting erroneous connection of a communication cable without increasing the amount of hardware of the communication cable.

When a transmission package and a reception package are connected by a communication cable, these packages and the communication cable are connected by a connector. This type of connector has been standardized, and the same type of connector will be used for various connections. As a result, an incorrect communication cable is used, so that the connection relationship between the transmission package and the reception package becomes a desired one, for example, the transmission package of the active system is connected to the reception package of the standby system. Happiness happens. From now on, in such a communication system, it is necessary to provide a mechanism for checking whether or not the cable is in a normal connection state.

[0003]

2. Description of the Related Art A transmission package (transmission side system),
As a conventional technique for checking a cable connection state with a receiving package (receiving side system), for example,
-132780 (Title of Invention: Device for Detecting Misconnection of Signal Cable).

That is, in the prior art, as disclosed in the present invention, one system is provided with a generation means for generating a unique identification code, and the other system is provided with a means for generating a unique identification code.
Decoding means for decoding the identification code is provided, and correspondingly, a signal cable is connected to a signal line for connection of a signal line used for normal operation, and a signal line for connecting the generating means to the decoding means. Is adopted.

According to this signal cable, an identification code generated by the generating means is transferred to the decoding means. According to the decoding result of the decoding means, whether the connection state of the cable is normal or not is determined. The method of checking was adopted.

[0006]

However, in order to check the cable connection state between the transmission package and the reception package according to such a conventional technique, a communication cable (signal cable) is required to be connected to an original signal line.
A device having a signal line for checking the cable connection state must be used, which causes a problem that the amount of hardware of the communication cable is increased.

[0007] The present invention was made in view of such circumstances, includes a transmission package, and receiving a package, and a communication cable for connecting between the two packages
That used in the communication system, without increasing the hardware amount of communication cables, and aims to provide a misconnection detection processing method of a new communication cable to be able to detect the communication cable misconnection Is what you do.

[0008]

FIG. 1 shows the principle configuration of the present invention. In the drawing, reference numeral 1 denotes a transmission package configured according to the present invention and executes transmission processing of communication information, 2 denotes a reception package configured according to the invention and executes reception processing of communication information, 3 denotes a transmission package 1 and a reception package 2 , A connector for detachably connecting the transmission package 1 and the communication cable 3, a connector 5 for detachably connecting the reception package 2 and the communication cable 3, and a transmission / reception 6 This is a host system that serves as a host device of the packages 1 and 2.

Here, the transmission package 1 functions as a transmission side when detecting the connection state of the communication cable 3 according to the present invention, and may function as a reception side in other cases. Receive package 2
Functions as a receiving side when detecting the connection state of the communication cable 3 according to the present invention, and may function as a transmitting side in other cases.

Reference numeral 7 denotes a communication control unit included in the transmission package 1 for transmitting transmission-side connection information, which is connection-related information of the own package, to the reception package 2. Reference numeral 8 denotes a signal extraction unit included in the reception package 2. And the communication control unit 7
9 is a comparison unit provided in the reception package 2 for extracting the transmission side connection information transmitted by the
Is compared with the receiving side connection information which is the connection relation information of the own package.

At the time of adopting this configuration, the package ID, slot ID,
Any one of the connector IDs or a combination thereof may be used. Then, the sender / receiver connection information, and Rukoto set from the host system 6
Become.

[0012]

According to the present invention, the communication controller 7 of the transmission package 1 is used.
For example, at the start of communication, transmission-side connection information, which is connection-related information of the own package, is transmitted to the reception package 2 as one piece of communication information, or when communication information is transmitted, It operates so as to transmit the multiplexed transmission-side connection information to the reception package 2.

When the transmission-side connection information is sent from the transmission package 1 in this way, the signal separating unit 8 of the reception package 2 extracts the transmission-side connection information according to the transmission form, and extracts the transmission-side connection information. In response, the comparing unit 9 compares the extracted transmission-side connection information with the reception-side connection information that is the connection relation information of the own package, and determines whether a desired communication cable 3 is used. No, and outputs the detection result.

As described above, by using the present invention, when the transmission package 1 and the reception package 2 are connected by the communication cable 3, the connection state is prepared without preparing a special signal line in the communication cable 3. Can be detected as to whether or not is desired. Further, according to the present invention, since both the transmission package 1 and the reception package 2 are the transmission sides of the connection information, it is possible to confirm whether or not the connection state of the communication cable 3 is a desired one. Is also possible. In case of realizing this configuration, each package, as one of the communication information connection information of its own package, or transmitted by multiplexing the communication information to the other party of the package, when specified in response to the transmission
When the connection information is transmitted from the other party's package within the interval , the transmitted connection information is compared with the connection information of the own package.
Judgment that the cable connection status is normal, and if they do not match, judge that the cable connection status is not normal.On the other hand, in response to the transmission, the connection information is transmitted from the other package within the specified time. If not,
The package is sent voluntarily from the other party's package
Waiting to come connection information that transmitted multiplexes counterpart package to that if the connection information is transmitted as one of the communication information connection information of its own package, or communication information And the transmitted connection information is compared with the connection information of the own package. If the two match, it is determined that the cable connection state is normal. Processing is performed to determine that the cable connection state is not normal.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to embodiments. FIG. 2 illustrates an embodiment of the present invention. In the figure, FIG.
The same components as those described above are indicated by the same symbols.

Reference numeral 7a denotes a multiplexing unit included in the transmission package 1 for multiplexing transmission-side connection information, which is connection-related information of the own package, in a header of communication information to be transmitted. A separation unit,
A device that separates transmission-side connection information multiplexed in a header of communication information sent from the transmission package 1, 10
Is a monitoring unit provided inside or outside the package of the receiving package 2, and notifies the operating system of the host system 6 of the comparison result of the comparing unit 9.

When configured in this manner, the multiplexing unit 7a of the transmission package 1 transmits transmission-side connection information specified when transmitting communication information in accordance with an ATM cell, a packet, an SDH signal, or the like. It operates so as to be multiplexed with the information header and transmitted.

When the multiplexed communication information of the transmission-side connection information is transmitted from the transmission package 1 in this way, the separation unit 8a of the reception package 2 separates the transmission-side connection information from the communication information. And receiving the result of this separation,
The comparing unit 9 compares the separated transmission-side connection information with the reception-side connection information that is the connection relation information of the own package. Then, when the comparing unit 9 detects a comparison result of matching, the monitoring unit 10 determines that the cable is in a proper cable connection state, and notifies the operating system of the determination result. When detecting the result, it is determined that the cable is not in a proper cable connection state, and the result of the determination is notified to the operating system.

As described above, by using this embodiment,
Without preparing a special signal line for the communication cable 3,
This makes it possible to detect whether or not the connection state between the transmission package 1 and the reception package 2 is as desired.

In the present invention, the transmission package 1 is specified sender connection information, whereas, becomes to the receiving connection information is specified in the received package 2, for the sender / receiver connection information Is the operator of the host system 6.
Will be specified by the storage system.
To specify according to the package storage position
Can also be used. That is, for example, FIG.
As shown in (a) and FIG. 4 (a), provided with a rewritable table 11, in the case of using a way that will be specified according to the connection information written in this table 11, Fig. 3
(B) and as shown in FIG. 4 (b), the operating system of the host system 6 is Kukoto written the connection information to the table 11.

FIG. 5 shows another embodiment of the present invention.
This embodiment employs a configuration in which both the transmission package 1 and the reception package 2 are on the transmission side of the connection information.
That is, the transmission package 1 employs a configuration in which the transmission-side connection information of the own package is transmitted to the reception package 2 and the reception package 2 detects the cable connection state. 1 is configured to transmit the receiving-side connection information of its own package to the transmission package 1, and the transmission package 1 is configured to detect the connection state of the cable.

In the figure, reference numeral 7b-1 denotes a control unit provided in the transmission package 1, which transmits transmission-side connection information, which is connection-related information of its own package, as one piece of communication information to the reception package 2 when starting communication. 8b-1 is a detection unit provided in the transmission package 1 for detecting the reception side connection information transmitted from the reception package 2,
Reference numeral 9-1 denotes a comparison unit included in the transmission package 1, which compares the reception-side connection information detected by the detection unit 8b-1 with the transmission-side connection information of its own package. A monitoring unit provided inside the package or outside the package, and notifies a comparison result of the comparison unit 9-1 to the operating system of the host system 6.

On the other hand, reference numeral 7b-2 denotes a control unit provided in the receiving package 2, which transmits the receiving-side connection information, which is connection-related information of the own package, to the transmitting-side package 1 as one piece of communication information at the start of communication. 8b-2 is a detecting unit provided in the receiving package 2 for detecting the transmission-side connection information transmitted from the transmitting package 1, and 9-2 is a comparing unit provided in the receiving package 2.
A monitoring unit provided inside or outside the package of the receiving package 2 for comparing the transmitting side connection information detected by the detecting unit 8b-2 with the receiving side connection information of the own package. The comparison result of the section 9-2 is notified to the operating system of the host system 6.

FIG. 6 shows an embodiment of a processing flow executed by the transmission / reception packages 1 and 2 shown in FIG. Next, this processing flow will be described. As shown in the processing flow of FIG. 5, the transmission package 1 inserts the package in step 1 to “INS, POWER ON”
Next, in step 2, a packet using the transmission-side connection information as communication data is transmitted to the reception package 2 in step 2. Subsequently, in step 3, the timer is turned on, and in step 4, the apparatus enters a waiting state for receiving a packet from the receiving package 2.

On the other hand, when the transmission-side connection information is transmitted according to the processing in step 2, the reception package 2 transmits a packet using the reception-side connection information as communication data to the transmission package 1 in response to the transmission-side connection information. Therefore, when the transmission package 1 receives this packet in step 4,
Proceeding to step 5, the received receiving-side connection information;
Compare with the sender's connection information set in its own package, and if they match, judge that the cable connection status is normal and start operation; otherwise, the cable connection status is not normal And notifies the operating system of the host system 6 of the erroneous connection.

When the transmission-side connection information is transmitted according to the processing of step 2, the reception package 2 sets the transmitted transmission-side connection information and the own package in the same manner as the transmission package 1. Compare with the connection information on the receiving side, if both match, judge that the cable connection status is normal and start operation. If not, judge that the cable connection status is not normal and misconnect. Is notified to the operating system of the host system 6.

On the other hand, when the transmission package 1 is in a waiting state for receiving a packet from the receiving package 2 in accordance with the processing of step 4 and the waiting state has passed a specified time in step 6, the receiving package 2 is not mounted. Then, the process proceeds to step 7 and becomes the receiving side, and waits for the transmission package 1 of the other party to send a packet using the transmission side connection information as communication data. Then, upon receiving this transmission side connection information, step 8
Then, after transmitting a packet using the receiving-side connection information as communication data to the transmission package 1 of the other party, the process proceeds to step 5, where the transmitted transmission-side connection information and the own package are set. Compare with the receiver connection information,
If they match, the operation is started by judging that the cable connection state is normal, and if they do not match, it is judged that the cable connection state is not normal and an erroneous connection is notified to the operating system of the host system 6. .

As described above, by executing this processing flow, it is possible to determine whether the connection state between the transmission package 1 and the reception package 2 is desired without preparing a special signal line in the communication cable 3. It is possible to detect whether or not it is.

According to the present invention, the cable connection state is normal /
As the transmission side / reception side connection information used for the abnormality determination, a package ID for identifying a package type is used as shown in FIG. 7, or as shown in FIG.
In addition to the package ID, a slot ID for identifying the insertion position of the package is used. As shown in FIG. 8B, a connector for identifying a plurality of connectors provided in the package in addition to the package / slot ID. ID
May be used.

[0030]

As described above, according to the present invention,
In a communication system including a transmission package, a reception package, and a communication cable connecting between the transmission package and the reception package, an erroneous connection of the communication cable can be detected without increasing the amount of hardware of the communication cable. It becomes.

[Brief description of the drawings]

FIG. 1 is a principle configuration diagram of the present invention.

FIG. 2 is an embodiment of the present invention.

FIG. 3 is an explanatory diagram of a method of specifying connection information.

FIG. 4 is an explanatory diagram of a method for specifying connection information.

FIG. 5 is another embodiment of the present invention.

FIG. 6 is an embodiment of a processing flow executed by a transmission / reception package.

FIG. 7 is an explanatory diagram of connection information.

FIG. 8 is an explanatory diagram of connection information.

[Explanation of symbols]

 Reference Signs List 1 transmission package 2 reception package 3 communication cable 4 connector 5 connector 6 host system 7 communication control unit 8 signal extraction unit 9 comparison unit

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Ikuo Taniguchi 1015 Uedanaka, Nakahara-ku, Kawasaki City, Kanagawa Prefecture Inside Fujitsu Limited (72) Inventor Jinichi Yoshizawa 1015 Kamiodanaka, Nakahara-ku, Kawasaki City, Kanagawa Prefecture Fujitsu Limited (72) Inventor Toshiyuki Iino 1015 Uedanaka, Nakahara-ku, Kawasaki-shi, Kanagawa Prefecture Inside Fujitsu Limited (72) Inventor Kenji Akutsu 1-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Inventor Hiromi Ueda Nippon Telegraph and Telephone Corporation, 1-6-1, Uchisaiwaicho, Chiyoda-ku, Tokyo (72) Inventor Ryuichi Ikematsu 5-7-1, Shiba, Minato-ku, Tokyo NEC Corporation (72) Inventor Takanori Kurano Tokyo 5-7-1 Shiba, Tokyo Minato-ku NEC Corporation (56) References JP-A-5-153199 (JP, A) (58) Survey Field (Int.Cl. ⁷ , DB name) H04L 25/02 301 H04L 25/02 H04L 29/14

Claims (3)

(57) [Claims] 1. A transmission package, a reception package,
A communication cable misconnection detection processing method used in a communication system comprising: a communication cable that transfers communication information transmitted by the transmission package to the reception package. Receives the sender connection information, and uses the received sender connection information of the own package as one of the communication information,
Alternatively, it is multiplexed with the communication information and transmitted to the receiving package. On the other hand, the receiving package receives the receiving side connection information of the own package set from the upper system, and transmits the received receiving side connection information of the own package and the communication cable. Erroneous connection detection processing of a communication cable, characterized in that it is determined whether or not the cable is in a normal connection state by comparing the transmission-side connection information provided through the transmission-side connection information. 2. The communication cable erroneous connection detection processing method according to claim 1, wherein the transmission-side connection information and the reception-side connection information include:
An erroneous connection detection method for a communication cable, wherein any one of a package ID, a slot ID, and a connector ID, or a combination thereof is used. 3. A transmission package, a reception package,
A communication cable misconnection detection method used in a communication system comprising: a communication cable that transfers communication information transmitted by the transmission package to the reception package, wherein each package converts connection information of its own package into communication information. When the connection information is transmitted from the package of the other party within a specified time in response to the transmission as one or multiplexed with the communication information and transmitted to the package of the other party, the transmitted connection information And the connection information of your own package.
If the codes match, determines that the cable connection state is normal, if they do not match, determines that the cable connection state is not normal, whereas, the other party within a specified response time to the transmission If the connection information from the package is not transmitted it is, continue to send voluntarily its package from the other party of the package
Connection information waiting for transmitted that transmission, if the connection information is transmitted as one of the communication information connection information of its own package, or by multiplexing the other party of the package in the communication information In addition, the transmitted connection information is compared with the connection information of the own package, and when both match, it is determined that the cable connection state is normal. Judging that the status is not normal.