Rs-232C - Toshiba B-FV4 Series Manual

1. OUTLINE

1.4.3 RS-232C

The RS-232C on your printer is DB9 female. It transmits data bit by bit in asynchronous start-stop
mode. The figure below shows its pinout.
5
4
9
 Speed: 2400, 4800, 9600, 19200, 38400, 57600, 115200 Bauds
 Parity: Odd, Even or None
 Data Bits: 7 or 8 Bits
 Stop Bits: 1 or 2 Bits
 Flow Control: XON/XOFF or RTS
 Default Parameters: 9600 Bauds, No Parity, 8 Data Bits, 1 Stop Bit, XON/XOFF
Host (DB9)
Signal
CD Carrier Detect
RxD Receive
TxD Transmit
DTR Data Terminal
Ready
GND Ground
DSR Data Set Ready
RTS Request to Send
CTS Clear to Send
CI
3
2 1
8 7 6
Description Pin
1
2
3
4
5
6
7
8
9
Pin Signal
1 +5V
2 TxD
3 RxD
4 CTS
5 GND
6 RTS
7 NC
8 RTS
9 NC
Pin Description
1 Provide 5V Power
2 Transmit
3 Receive
4 Clear to Send
5 Ground
6 Request to Send
7 No Connection
8 Request to Send
9 No Connection
1-18
1.4 Interface I/O Port
Description
Provide 5V Power
Transmit
Receive
Clear to Send
Ground
Request to Send
No Connection
Request to Send
No Connection
Printer (DB9)
Signal
+5V
TxD
RxD
CTS
GND
RTS
NC
RTS
NC
EO18-33030