Com1 Rs232 Db9 Connector; Com2 Rs232 Db9 Connector - Nexcom nROK 7251 Series User Manual

Chapter 3: Jumpers and Switches

COM1 RS232 DB9 Connector

Connector size: 1 x 10 = 10-pin header
Connector location: J4
10
Pin Definition
1 GND
3 CTS1
5 DTR1
7 RI1
9 TXD1
Copyright © 2020 NEXCOM International Co., Ltd. All Rights Reserved.
1
Pin Definition
2 GND
4 DSR1
6 RXD1
8 RTS1
10 DCD1

COM2 RS232 DB9 Connector

Connector size: 1 x 10 = 10-pin header
Connector location: J3
10
Pin Definition
1 GND
3 CTS2
5 DTR2
7 RI2
9 TXD2
27
1
Pin Definition
2 GND
4 DSR2
6 RXD2
8 RTS2
10 DCD2
nROK 7251 Series User Manual