Security Command R500 Specifiche Pagina 115

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1070 072 131-102 (96.08) GB
BUEP64 Protocol9-22
9.11 Job Parameters
A job is specified by 16 parameters. Each parameter has a width of 2
bytes. Data ranges of 16 data words each are available for the job para-
meters; a maximum of 16 jobs can be parameterised for each call-up of
the R5REQ.
The parameter words PW1...PW3 are protocol-independent and job-
specific parameters; while the parameter words PW4...PW16 contain
protocol-specific information.
The parameters can be written to the data module, the data field or data
buffer; the block start address of 16 data words (PW1...PW16) is always
an even byte address.
The entries for the 3964R can be explained as follows:
Parameter word Explanation
PW1 Job result (protocol-independent)
PW2 High byte: CXN (protocol-independent)
LOW byte: Channel number (protocol-independent)
PW3 Job number (protocol-independent)
PW4 High byte: Command (SEND ‘A’ / FETCH ‘E’)
LOW byte: Operand type = word
PW5 High byte: Command type RST (‘DM’)
LOW byte: Command type PST (‘DM’)
PW6 RST address: DM number
PW7 RST address: Block address
PW8 RST address: DM word number
PW9 PST address: DM number
PW10 Free
PW11 PST address: DM number
PW12 Volume of data (in words)
PW13 Coordination marker
PW14 Free
PW15 Free
PW16 RESERVED
Fig. 9-7 BÜP64 — Job parameters
Several examples illustrating parameterisation of various centralised jobs
can be found on Page 9-31 ff.
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