10
11
1
6
4.8.1 RS-232 Serial Interface
4.8 Interface Explanation
Signal configuration for communication with PC host:
Printer serial port is DB9, baud rate supports 9600, 19200, 38400, 115200 bps,
8 bits data word length, 1 stop bit, no parity settings.
Descriptions to interface signals:
TXD
RXD
RTS
DTR
-
-
-
-
GND
-
-
-
Pin No.
Signal name
Direction
Function
1
2
3
4
5
6
7
8
Output
Intput
Intput
Output
Transmit Data
-
Receive Data
-
Signal Ground
Ready To Sen
Clear To send
4.8.2 USB Interface
USB port uses Type B plug and support USB1.0 and USB2.0. Signals are as
below:
PIN
1
2
3
4
Signal Name
VCC
D-
D+
GND
Direction
+ 5V DC
Data -
Data +
Ground
Ethernet port uses RJ45 port with 10M ability. Configurations are as below:
4.8.3 Ethernet Interface
4.8.4 Drawer Connector Interface
-
-
-
-
-
-
-
Signal name
Direction
Frame ground
Input
Open cash drawer
Signal ground
Signal Name
TX+
TX-
RX+
n/c
n/c
RX-
n/c
nc
Pin No.
1
2
3
4
5
6
7
8
Description
Tranceive Data+
Tranceive Data+
Receive Data+
Not connected
Not connected
Receive Data-
Not connected
Not connected
Pin No.
1
2
3
4
5
6
+24V
(TXD)
(RXD)
(RTS)
2
3
8
(TXD)
(RXD)
(CTS)
3
2
8
(GND)
(DTR)
5
6
(DSR)
(GND)
5
6
PRINTER
SIDE
HOST
SIDE