NEXCOM NEX 609 - Manual (Page 29)

Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved. 15 NEX 609 User Manual
Chapter 2: Jumpers and Connectors
Connector Pin Definitions
External Serial Port Connectors
COM1 and COM2 Connectors
Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM1A (COM1) and COM1B (COM2)
10
15
14
18
1
6
5
9
COM1: RS-232 Connector
Pin Definition
1 COM_DCD#1
2 COM_RXD1
3 COM_TXD1
4 COM_DTR#1
5 GND
6 COM_DSR#1
7 COM_RTS#1
8 COM_CTS#1
9 COM_RI#1
COM2: RS-232/RS-422/RS-485 Connector
Pin RS232 RS422 RS485
10 COM_DCD#2 TX- DATA-
11 COM_RXD2 TX+ DATA+
12 COM_TXD2 RX+ NC
13 COM_DTR#2 RX- NC
14 GND GND GND
15 COM_DSR#2 RTS- NC
16 COM_RTS#2 RTS+ NC
17 COM_CTS#2 CTS+ NC
18 COM_RI#2 CTS- NC
COM1
COM2