Nidek Medical LM-1800P, Interface Manual

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METHOD OF RS-232C COMMUNICATION (NCP20)
:
Normal Sequence
MLM26*RTZ002F
4
4.2 Normal Sequence

When equipment A sends data to B by request from
equipment A
1) Equipment A requests B to accept data sending (Request
to Send).
2) Equipment B sends “Accept to Send” to A to accept data
sending.
3) Equipment A sends 1 block of data to B.
4) Equipment B sends “Accept” to A to inform the receiving
of 1 block of data.
5) Repeat the steps from (3) to (4) until all the data is sent.
 When equipment A sends data to B by request from
equipment B
1) Equipment B requests A to send data (Request to
Receive).
2) Equipment A sends “Accept to Receive“ to B to send
data.
3) Subsequent steps are same as sequence above from (1)
to (5).
'SWKROGPV# 'SWKROGPV$
Request to Send
Accept to Send
Data
Accept
Accept
Data
Request to Send
Accept to Send
Accept to Receive
Accept
Data
Data
Accept
Request to Receive
'SWKROGPV# 'SWKROGPV$