NEXCOM VTC 2100 - Manual (Page 21)

Copyright © 2010 NEXCOM International Co., Ltd. All Rights Reserved. 8 VTC 2100 User Manual
Chapter 1: Product Introduction
RS232 Connector COM1/COM2
Connector size: DSUB-9 PIN
Connector location
PIn Definition Pin Definition
1 DCD (RS232) 2 RXD (RS232)
3 TXD (RS232) 4 DTR (RS232)
5 GND 6 DSR (RS232 )
7 RTS (RS232) 8 CTS (RS232)
9 RI (RS232)
9
1 5
6
RS485 Connector COM3
Connector size: DSUB-9 PIN
Connector location
Connector pin definition
PIn Definition Pin Definition
1 TX-/RX- 2 TX+/RX+
3 N/A 4 N/A
5 GND 6 N/A
7 N/A 8 N/A
9 N/A
9
1 5
6