D-2. Cable Connections
The followings are a recommended interface cable connections.
Printer side
(D-sub 25 pin)
FG
1
TXD
2
RXD
3
RTS
4
DSR
6
SG
7
DTR
20
INIT
25
Note Use shielded wire less than 3m in length.
D-3. Electrical Characteristics
Voltage
Data signal
-3V to -15V
Mark
+3V to +15V
Space
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Control signal
OFF
ON
– 92 –
Host side
25 pin
9 pin
1
2
3
4
5
6
7
8
20
Binary status
1
0
3
TXD
2
RXD
7
RTS
8
CTS
DSR
6
5
SG
1
DCD
4
DTR