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8.7 Electrical Characteristics
(1) RS-232C circuit
Input (RXD, DSR)
Output (DTR, TXD)
[Printer Side]
Equivalent MAX202
Equivalent MAX202
Mark=(-8V): Stop bit
RXD
Space=(+8V): Start bit
Mark=(-8V):
DSR
Space=(+8V):
Mark=(
DTR
Space=(+8V): At Ready
TXD
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CBM-292/293 User's Manual
[Host Side]
Transmission Disabled
Transmission Enabled
−
8V): At Busy
−
Mark=(
8V): 1
Space=(+8V): 0
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