Table of Contents
Advertisement
Chapter 2: Jumpers and Connectors
COM3 Connector (RS232/422/485)
Connector type: 1x10 10-pin header
Connector location: COM3
Internal Connector
1 1
1 0
10
Internal Connector
RS232
Pin
Definition
Pin
1
DCD#
1
2
RXD
2
3
TXD
3
4
DTR#
4
5
GND
5
6
DSR#
6
7
RTS#
7
8
CTS#
8
9
RI#
9
Copyright © 2019 NEXCOM International Co., Ltd. All Rights Reserved.
External Connector
1
6
RS422
RS485
Definition
Pin
Definition
TX-
1
RTX-
TX+
2
RTX+
RX+
3
RX-
4
GND
5
GND
6
7
8
9
5
9
External Connector
Pin
Definition
1
DCD
3
TXD
5
GND
7
RTS
9
22
Pin
2
4
6
8
RI
10
Definition
RXD
DTR
DSR
CTS
GND
NISE 4300 User Manual
Advertisement
Table of Contents
