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| Table A.4 TermSTS (Part 2) | |
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| TermSTS | Status | Meaning | |
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| 04H | Memory write protect | • Occurs if an attempt to write is made when the remote registers were write | |
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| protected. | |
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| • Occurs if an attempt to read is made when the local registers were write | |
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| protected. | |
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| 05H | (Reserved) |
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| 06H | Module error | • Occurs if the Ethernet Port is down. | |
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| Initialization in progress | • Occurs if the Ethernet Port is initializing. | |
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| Transmission complete | • Occurs if a T2N internal timer times out. |
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| timeout | Requests: UDP open, UDP send, UDP close, TCP send, TCP close | |
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| 07H | No send channel (CH) | • Occurs if the corresponding Ethernet Port is not installed. | |
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| 08H | Port address out of range | • Occurs if the local port IP address was specified for the remote destination IP | |
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| address. | |
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| Requests: Remote port loopback, register read/write | |
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| 09H | Incorrect transmission word | • Occurs if either 0 words or 486 or more words were specified for either a | |
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| count | register read/write or a remote port loopback request. | |
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| • Occurs if either 0 words or 1001 or more words were specified for a UDC/TCP | |
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| send/receive request. | |
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| 0AH | Boundary error | • Occurs if the specified area (start address + register range) does not exist in | |
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| the T2N data storage registers. | |
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| Requests: RAS information readout, remote port loopback, UDP send/receive, | |
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| TCP send/receive, register read/write | |
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| 0BH | Transmission error | • Occurs if the Ethernet Port returns an error response. | |
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| Detailed information (the Ethernet Port response status) is stored at B+1. | |
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| 0CH | No I/O response | • Occurs if the T2N cannot access the Ethernet Port. | |
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| 0DH | (Reserved) |
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| 0EH | Send data capacity | • Occurs if a request is discarded when a T2N internal resource insufficiency | |
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| exceeded | occurs due to increasing amounts of transfer data. | |
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| • Occurs if a T2N retransmission times out. | |
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| 0FH | (Reserved) |
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Details on the Ethernet Port error response when a transmission error (0Bh) occurs are stored in the register following the status. (See table A5.)
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