Copyright © 2017 NEXCOM International Co., Ltd. All Rights Reserved.
15
NEX 650 User Manual
Chapter 2: Jumpers and Connectors
COM1 Port
Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM1
1
6
5
9
RS232
RS422
RS485
Pin
Definition
Pin
Definition
Pin
Definition
1
DCD#
1
TX-
1
RTX-
2
RXD
2
TX+
2
RTX+
3
TXD
3
RX+
3
NC
4
DTR#
4
RX-
4
NC
5
GND
5
GND
5
GND
6
DSR#
6
NC
6
NC
7
RTS#
7
NC
7
NC
8
CTS#
8
NC
8
NC
9
RI#
9
NC
9
NC
Pin
Definition
Pin
Definition
1
VGA_R
2
VGA_G
3
VGA_B
4
GND
5
GND
6
GND
7
GND
8
GND
9
VCC
10
GND
11
ID2
12
VGA_DDC_DATA
13
G_HSYNC
14
G_VSYNC
15
VGA_DDC_CLK
VGA Port
Connector type: DB-15 port, 15-pin D-Sub
Connector location: VGA1
5
15
1
11