| 0010 |
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UNH |
Message header |
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A service segment starting and uniquely identifying a message. The message type code for Syntax and service report message is CONTRL.
Note: Syntax and service report messages conforming to this document must contain the following data in segment UNH, composite S009:
Data element 0065 CONTRL
0052 D
0054 3
0051 UN |
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| 0020 |
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UCI |
Interchange response |
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A segment identifying the interchange being responded to (the subject interchange). It also indicates interchange receipt, acknowledgement or rejection (action taken) of the UNA, UNB and UNZ segments, and identifies any error related to these segments.
Depending on the action code, it may also indicate the action taken on the functional groups and messages within that interchange.
The subject interchange is identified by copying its Interchange sender, Interchange recipient, and Interchange control reference data elements into the identical data elements in this segment. An erroneous or missing UNA, UNB or UNZ segment may be identified. If no segment is identified, the error relates the complete interchange, unless the error code identifies some other position. |
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| 0030 |
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SG1 |
UCM-SG2 |
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A group of segments sent in response to a message in the subject interchange identified in the UCI segment. This segment group is only used if the subject interchange does not contain functional groups. |
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| 0040 |
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UCM |
Message response |
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A segment identifying a message in the subject interchange, indicating that message's acknowledgement or rejection (action taken), and identifying any error related to the UNH and UNT segments.
The message is identified by copying its Message identifier and Message reference number data elements into the identical data elements in this segment. An erroneous or missing UNH or UNT segment may be identified. If no segment is identified and segment group 2 is not present, the error relates to the complete message, unless the error code identifies some other position. |
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| 0050 |
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SG2 |
UCS-UCD |
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A group of segments sent in response to a segment containing one or more errors, and which was part of the message identified by the UCM segment in segment group 1. |
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| 0060 |
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UCS |
Segment error indication |
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A segment identifying a segment in the message, indicating that this segment contains an error, and identifying any error related to the complete segment. |
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| 0070 |
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UCD |
Data element error indication |
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A segment identifying an erroneous simple, composite or component data element in the segment identified by the UCS segment in segment group 2, and identifying the nature of the error. |
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| 0080 |
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SG3 |
UCF-SG4 |
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A group of segments sent in response to a functional group in the subject interchange identified in the UCI segment. This segment group is only used if the subject interchange contains functional groups. |
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| 0090 |
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UCF |
Functional group response |
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A segment identifying a functional group in the subject interchange. It also indicates acknowledgement or rejection (action taken) of the UNG and UNE segments, and identifies any error related to these segments. Depending on the action code, it may also indicate the action taken on the messages within that functional group.
The functional group is identified by copying its Application sender's identification, Application recipient's identification, and Functional group reference number data elements into the identical data elements in this segment. An erroneous or missing UNG or UNE segment may be identified. If no segment is identified, the error relates the complete functional group, unless the error code identifies some other position. |
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| 0100 |
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SG4 |
UCM-SG5 |
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A group of segments sent in response to a message in the functional group identified in segment group 3. |
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| 0110 |
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UCM |
Message response |
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A segment identifying a message in the subject interchange, indicating that message's acknowledgement or rejection (action taken), and identifying any error related to the UNH and UNT segments.
The message is identified by copying its Message identifier and Message reference number data elements into the identical data elements in this segment. An erroneous or missing UNH or UNT segment may be identified. If no segment is identified and segment group 5 is not present, the error relates to the complete message, unless the error code identifies some other position. |
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| 0120 |
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SG5 |
UCS-UCD |
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A group of segments sent in response to a segment containing one or more errors, and which was part of the message identified by the UCM segment in segment group 4. |
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| 0130 |
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UCS |
Segment error indication |
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A segment identifying a segment in the message, indicating that this segment contains an error, and identifying any error related to the complete segment. |
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| 0140 |
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UCD |
Data element error indication |
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A segment identifying an erroneous simple, composite or component data element in the segment identified by the UCS segment in segment group 5, and identifying the nature of the error. |
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| 0150 |
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UNT |
Message trailer |
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A service segment ending a message, giving the total number of segments in the message and the control reference number. |
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