Toshiba B-SV4D-GS 用户手册
-
5
-
(14) RS-232 Interface pin configuration
Host Function
9 Pin
25 Pin
9 Pin
Printer Function
1
+5V
RxD
2
3 2 TxD
TxD
3
2 3 RxD
DTR
4
20 4 DSR
GND
5
7 5 GND
DSR
6
6 6 RDY
RTS
7
4 7 N/C
CTS
8
5 8 RDY
9
+5V
(15) Connector Pin Assignment and Signal Description
Pin No.
Signal
Name
Function Signal
Direction
1
+5V
Provide the power of 5V
2
TxD
Transmit data
Printer
→
3
RxD
Receive data
←
Host
4
DSR
Data set ready
←
Host
5 GND
General
Ground
6 RDY
Printer
ready
Printer
→
7 N/C
Not
connected
8 RDY
Printer
ready
Printer
→
9
+5V
Provide the power of 5V