GoDEX G300 series - Manual (Page 39)

35
Appendix
INTERFACE
G300/G330 USER MANUAL
APPENDIX
Pinout Description
Connector Type : Type B
Serial Port
Default settings： Baud rate 9600, no parity, 8 data bits, 1 stop bit, XON/XOFF
protocol and RTS/CTS
RS232 Housing(9-pin to 9-pin)
DB9 Socket DB9 Plug
-
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
Computer
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
+5V, max 500mA
TXD
RXD
N/C
GND
RTS
CTS
RTS
N/C
Printer
Handshaking : DSTB is sent to the printer, BUSY to the host computer.
Interface Cable : Parallel cable compatible with IBM computers.
Pinout : See below.
Pin NO. Function Transmitter
1
2-9
10
11
12
13
14
15
16
17
18
19-30
31
32
33
34-35
36
/Strobe
Data 0-7
/Acknowledge
Busy
/Paper empty
/Select
/Auto-Linefeed
N/C
Signal Gnd
Chasis Gnd
+5V,max 500mA
Signal Gnd
/Initialize
/Error
Signal Ground
N/C
/Select-in
host / printer
host
printer
printer
printer
printer
host / printer
host
host / printer
printer
host / printer
* *** The total current to the serial port may not exceed 500mA.

USB


Pin NO. 1 2 3 4
Function VBUS D- D+ GND
Parallel Port
Factory option