– 97 –

APPENDIX
D-2. Cable Connections

The followings are a recommended interface cable connections.

Note Use shielded wire less than 3m in length.

D-3. Electrical Characteristics
Voltage Data signal Control signal Binary status
-3V to -15V Mark OFF 1
+3V to +15V Space ON 0
1
2
3
4
6
1
2
3
4
5
6
7
8
20
FG
TXD
RXD
RTS
DSR
20
25
7
SG
DTR
INIT
Printer side
(D-sub 25 pin) Host side
3
2
7
8
6
5
1
4
TXD
RXD
RTS
CTS
DSR
SG
DCD
DTR
9 pin25 pin