Brother QL-500 Printer User Manual


 
APPENDICES
Appendix–11
RS-232C Serial Interface
Standard Specifications
1)Baud rate: 150, 300, 600, 1200, 2400, 4800, 9600,
19200, 38400, 57600 or 115200 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.
Signal IN/OUT
Printer Controller
Pin
No.
Signal IN/OUT
Printer Controller
1FG 14 NC
2SD
15 NC
3RD
16 NC
4RS
17 NC
5NC 18NC
6DR
19 NC
7SG
20 ER
8NC 21NC
9NC 22NC
10 NC 23 NC
11 NC 24 NC
12 NC 25 NC
13 NC