OKI 407II Manual Do Utilizador
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13-3. Cable Connections
The followings are a recommended interface cable connections.
Note: Use shielded wire less than m in length.
13-4. Electrical Characteristics
Voltage
Data signal
Control signal
Binary status
- V to - V
Mark
OFF
+ V to + V
Space
ON
0
1
2
3
4
5
5
6
1
2
3
4
5
6
7
7
8
20
FG
FG
TXD
RXD
RTS
CTS
CTS
DSR
20
25
7
SG
DTR
DTR
INIT
3
2
7
8
6
5
5
1
4
TXD
RXD
RTS
CTS
DSR
SG
DCD
DTR
Printer side
Host side
25 pin
9 pin