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iDP3210 User’s Manual
30
CITIZEN
6.2.8 ELECTRICAL CHARACTERISTICS
(1) RS-232C Circuit
Input (RD, DSR)
[Printer Side] [Host Side]
Equivalent to Max 232
Output (DTR, TD)
Equivalent to Max 232
Mark = (–8V) : Stop bit
Space =
(
+8V
)
:Startbit
• RD
• TD
Mark = (–8V) : 1
Space =
(
+8V
)
:0
• DTR
(–8V) : BUSY
(
+8V
)
: READY