APPENDICES
Appendix–11
RS-232C Serial Interface
Standard Specifications
1) Baud rate: 150, 300, 600, 1200, 2400, 4800, 9600,
19200, 38400, or 57600 baud
2) Synchronization: Start-stop
3) Communications control: No protocol
4) Data length: Serial 7 bits or 8 bits
5) Parity: Odd, even, or none
6) Stop bit: 1 or 2 stop bits
7) Protocol: Xon/Xoff or DTR
Interface Connectors
A shielded cable should be used.
13 10 7 4 1
25 21 18 14
Fig. A-2 Serial Interface Connector
Pin Assignment
Pin
No
.
Signa
l
IN/OUT
Printer
Controller
Pin
No.
Signa
l
IN/OUT
Printer
Controller
1FG
14
NC
2SD
15
NC
3RD
16
NC
4RS
17
NC
5NC
18
NC
6DR
19
NC
7SG
20
ER
8NC
21
NC
9NC
22
NC
10 NC
23
NC
11 NC
24
NC
12 NC
25
NC
13 NC