Brother HL-3400CN - Manual (Page 251)

APPENDICES
A–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
1 FG 14 NC
2 SD 15 NC
3 RD 16 NC
4 RS 17 NC
5 NC 18 NC
6 DR 19 NC
7 SG 20 ER
8 NC 21 NC
9 NC 22 NC
10 NC 23 NC
11 NC 24 NC
12 NC 25 NC
13 NC