Black Box PCW22A-R3 Cable Box User Manual


 
CHAPTER 4: Operation
21
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 03, BCC1, BCC2, FF
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,
03, BCC1, BCC2, FF FF
IF 3741
AA AA 32 32 32 32 02
(up to 128 characters), 03,
BCC1, BCC2, FF FF
ACK 1
AA AA 32 32 32 32 37 FF FF
(Echo CR LF EOT)
Send EOT
Line is now idle