Table of Contents
Advertisement
RS232/422/485 Serial Port: COM6 (Optional)
The serial port is a 16550A high speed communications port that sends/
receives 16 bytes FIFOs. It supports barcode scanners, barcode printers,
bill printers, credit card machine, etc.
16
16
PIN
SIGNAL
1
422 TXD-
2
422 RXD+
3
422 TXD+
4
422 RXD-
5
GND
6
NC
7
NC
8
NC
9
NC
1 1
6 6
RS232
PIN
SIGNAL
1
NDCD
2
NSIN
3
NSOUT
4
NDTR
5
GND
6
NDSR
7
NRTS
8
NCTS
9
0V/5V/12V
RS422
DESCRIPTION
Transmit Data, Negative
Receive Data, Positive
Transmit Data, Positive
Receive Data, Negative
Signal Ground
No Connection
No Connection
No Connection
No Connection
Continued on next column
5 5
9 9
DESCRIPTION
Data Carrier Detect
Signal In
Signal Out
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Power Pin
RS485
PIN
SIGNAL
DESCRIPTION
1
485 TXD-
Transmit Data, Negative
2
485 TXD+
Transmit Data, Positive
3
NC
No Connection
4
NC
No Connection
5
GND
Signal Ground
6
NC
No Connection
7
NC
No Connection
8
NC
No Connection
9
NC
No Connection
15
Specifications
Advertisement
Table of Contents
