Pin
Signal
Direction
No.
Name
25
INIT
IN
13
25
Interface Connections
Refer to the interface specifications of the host for details on connecting to its
interface connector. The following illustration shows a typical connection
configuration.
Printer side
(D-sub 25 pin)
F-GND
1
TXD
2
RXD
3
RTS
4
DSR
6
S-GND
7
DTR
20
INIT
25
• DIP Switch 10 = OFF
This signal not used.
• DIP Switch 10 = ON
This signal becomes reset signal. Printer is reset whenever signal is in space state
with pulse width of 1mS or more.
Function
IBM PC side
25 pin
1
2
3
4
5
6
7
8
20
132
1
14
9 pin
F-GND
3
TXD
2
RXD
7
RTS
8
CTS
DSR
6
5
S-GND
1
DCD
4
DTR