User's Manual

Chapter 1: Product Introduction
RS232/485 Connector COM3
The 9 pin D-Sub COM 3 port can be configured as RS232 or RS485 using
the SW6 dip switch.
Connector size: DSUB-9 PIN
Connector location
RS232 Connector COM1 and COM2
Connector size: DSUB-9 PIN
Connector location
1 5
1 5
6 9
6 9
Connector pin definition
Connector pin definition
Copyright © 2009 NEXCOM International Co., Ltd. All Rights Reserved.
9
VTC 6110 User Manual
PIn Definition Pin Definition
1 DCD (RS232)
TX-/RX- (RS485)
2 RXD (RS232)
TX+/RX+ (RS485)
3 TXD (RS232) 4 DTR (RS232)
5 GND 6 DSR (RS232 )
7 RTS (RS232) 8 CTS (RS232)
9 RI (RS232)
PIn Definition Pin Definition
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI