Copyright © 2018 NEXCOM International Co., Ltd. All Rights Reserved.
18
EBC 355A User Manual
Chapter 2: Jumpers and Connectors
1
5
6
10
COM1 to COM4 Headers
Connector type: 2x5 10-pin header
Connector location: COM1, COM2, COM3 and COM4
RS232
RS422
(COM1 Only)
RS485
(COM1 Only)
Pin
Definition
Pin
Definition
Pin
Definition
1
DCD
1
TX-
1
DATA-
2
RXD
2
TX+
2
DATA+
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
GPIO Header
Connector type: 2x5 10-pin header
Connector location: GPIO
1
9
2
10
Pin
Definition
Pin
Definition
1
GPIO_80
2
GPIO_81
3
GPIO_82
4
GPIO_83
5
GPIO_84
6
GPIO_85
7
GPIO_86
8
GPIO_87
9
GND
10
VCC