1. OUTLINE
EO18-33030
1.4 Interface I/O Port
1-18
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.
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)
Printer (DB9)
Signal Description Pin
Pin
Description Signal
CD Carrier
Detect
1
1
Provide 5V Power
+5V
RxD
Receive 2
2 Transmit
TxD
TxD
Transmit 3
3
Receive
RxD
DTR
Data Terminal
Ready
4
4
Clear to Send
CTS
GND
Ground 5
5
Ground
GND
DSR
Data Set Ready
6
6
Request to Send
RTS
RTS
Request to Send
7
7
No Connection
NC
CTS
Clear to Send
8
8
Request to Send
RTS
CI
9
9 No
Connection
NC
Pin Signal
Description
1
+5V
Provide 5V Power
2 TxD
Transmit
3 RxD
Receive
4
CTS
Clear to Send
5 GND
Ground
6
RTS
Request to Send
7 NC
No
Connection
8
RTS
Request to Send
9 NC
No
Connection
1
2
3
4
5
6
7
8
9
Summary of Contents for B-FV4 Series
Page 41: ...2 ELECTRONICS SPECIFICATIONS EO18 33030 2 2 Main PC Board Layout 2 4 B FV4D GH B FV4D GL ...
Page 301: ...APPENDIX EO18 33030 APPENDIX Establishing a Bluetooth connection with B FV4D and B FV4T A 8 ...
Page 302: ...1 11 1 OSAKI SHINAGAWA KU TOKYO 141 8562 JAPAN E PRINTED IN JAPAN EO18 33030H ...