Oki OKIPAGE 14e Service Manual page 121

4) Signal Level
• MARK polarity :
• SPACE polarity :
5) Interface Circuit
a) Receiving Circuit
b) Sending Circuit
Note: The signal levels described above is for the case where 3K Ω × 15pF is connected to the
terminal.
6) Receive Margin
37% min. at all reception rates.
7) Communications Protocol
a) READY/BUSY protocol
b) X-ON/X-OFF protocol
8) Interface Parameter Setting
When the option RS232C board is mounted, the following settings are possible by Dos soft
operator panel. Refer to the Dos soft operator panel manual.
• Flow Control
• Baud Rate
• Bit length
• Parity
41605601TH Rev.2
-3V to -15V (LOGIC = 1)
+3V to +15V (LOGIC = 0)
75188 or equivalent
INPUT
INPUT
75188 or equivalent
INPUT
OUTPUT
45 ns
OUTPUT
+12V
+3V
-3V
-12V
OUTPUT
+9V
+3V
-3V
55 ns
-9V
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