Black Box PCW22A-R3, PCW22A-R4 manual Data Flow A/S-2G to Synchronous Device

PROTOCOL CONVERTER A/S-2G

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

Bisynchronous Device A/S-2G Converter Asynchronous Device

IF 2270 - 2780

AAAA 32 32 32 32 02 (text up to 80 characters), IF, BCC1, BCC2; etc. (last record 26, BCC1, BCC2, FF FF

IF 3780

AAAA 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

(Echo CR LF) Block B of data (Echo all but CR LF)

Send block B

ACK 0

(Echo CR LF) Block C of data (Echo all but CR LF) Block of D of data begins

*Assumes block size of 80 is selected.

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