
Opticon
OPI 2201
Specifications Manual
23
9.1.2.
Signal Level
Signal Name I/O
RS-232C Level (V)
Mark/OFF
Space/ON
TxD
OUT
-5 to -15
+5 to +15
RxD
IN
-3 to -15
+3 to +15
RTS
OUT
-5 to -15
+5 to +15
CTS
IN
-3 to -15
+3 to +15
9.1.3.
Interface Circuit
H
OST
TxD
RxD
RTS
CTS
GND
J
ACK WHICH SUPPORTS
EIAJ
RC5320A
OPI-2201
(ICL3223
EQUIVALENT
)
Figure 7: RS-232C interface circuit
9.1.4.
Character Format
Uses the same format for both sending and receiving.
Figure 8:Character format