Protocol analysis
R&S
®
RTP
598User Manual 1337.9952.02 ─ 12
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Data Word Count /Mode Code: indicates the number of words that are sent/
received by the RT. A maximum of 32 words is allowed. This field may be used for
the transmission of the mode code value.
●
Parity: checks if there are bit errors during the transmission. The total number of
logic 1 bits for the word (sync bits not included) shall be odd.
Data Word
Figure 13-11: Structure of a data word
The format of a data word consists of the following parts (see Figure 13-11):
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Sync: an invalid Manchester waveform.
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Data: the transferred information (16 bit).
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Parity: checks if there are bit errors during the transmission. The total number of
logic 1 bits for the word (sync bits not included) shall be odd.
Status Word
Figure 13-12: Structure of a status word
The format of a status word consists of the following parts (see Figure 13-12):
●
Sync: an invalid Manchester waveform.
●
Remote Terminal (RT) Address: the unique address of the corresponding RT.
●
Message error: indicates an error in the command/data word transmission from the
BC. A logic 1 indicates presence of a message error and a logic 0 indicates its
absence.
MIL-1553 (option R&S
RTP-K6)
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