5555----7 Interface
7 Interface
7 Interface
7 Interface
5555----7777----1 RS232C interface
1 RS232C interface
1 RS232C interface
1 RS232C interface
Table 5-2 Pin assignment table ( Pin insert)
Pin No.
Signal name
In/out
Note
1
NC
2
SD ( Send data)
Out
3
RD (Receive data)
In
4
DR ( Data set ready)
In
5
SG ( Signal ground)
6
ER ( Data terminal ready)
Out
7
CS ( Send ready)
In
8
RS ( Send request)
Out
9
NC
Connection to Host computer ( 25 to 9 pins connection cable)
Computer side (25 pins)
Printer side (9 pin)
GND(Shield)
FG
1 1
NC
SD
2
2
SD
RD
3
3
RD
RS
4
4
DR
CS
5
5
SG
DR
6
6
ER
SG
7
7
CS
-----
8
RS
ER
20
9
NC
Connection to Host computer ( 9 to 9 pin connection cable)
Computer side (9 pin)
Printer side (9 pin)
GND(Shield)
GND(Shield)
CD 1
1
NC
RD 2
2
SD
SD
3 3
RD
ER
4 4
DR
SG
5 5
SG
DR
6 6
ER
RS
7 7
CS
CS
8 8
RS
RI
9 9
NC
