Black Box PCW22A-R3 Manual de usuario descargar pdf (Pagina 19)

PROTOCOL CONVERTER A/S-2G

Data Flow — A/S-2G to Synchronous Device

Bisynchronous Device A/S-2G Converter Asynchronous Device

*Assumes block size of 80 is selected.

IF 2270 - 2780

AA AA 32 32 32 32 02

(text up to 80 characters),

IF, BCC1, BCC2; etc. (last

record 26, BCC1, BCC2, FF

IF 3780

AA AA 32 32 32 32 02

(text up to 80* characters

with records separated by

1E, last record in block 1E,

26, BCC1, BCC2, FF FF

IF 3741

AA AA 32 32 32 32 02

(up to 128 characters), 26,

BCC1, BCC2, FF FF

ACK 1

Positive Acknowledgment—

Odd AA AA 32 32 32 32 10

61 FF FF

ACK 0

(Echo CR LF)

Block B of data

(Echo all but CR LF)

(Echo CR LF)

Block C of data

(Echo all but CR LF)

Block of D of data begins

Send block B

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 32 33

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Black Box PCW22A-R3 Manual de usuario Pagina 19