
Appendix G. Glossary
61200305L1-1 ATLAS 550 User Manual G-11
each block and the result is sent along with the block. If theresult does not check out at the other end,
the computer at the other end sends arequest (a NAK-negative acknowledgment) to retransmit that
block again. If the block checks out, the computer send ACK (an acknowledgment). In this way, rela-
tively error-free transmissions can be accomplished.
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