Sharp XE-A201

XE-A201UC
– 7 –
CHAPTER 6. CONTROL SIGNAL SEQUENCE
1. ONLINE TRANSMISSION
1) Half duplex transmission
2) Full duplex transmission
3) Line connection sequence flow
DATASD
DTEDCE
DATARD
RTS
CTS
DSR
DCD
DTR
< 100ms
DATASD
DTEDCE
DATARD
RTS
CTS
DSR
DCD
DTR
< 100ms
STARTED BY P.C
INITIAL
DTR ON
DSR ON ?
FULL DUPLEX ?
RTS ON
LINE ESTABLISHED
NO
NO
YES
YES