Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
12
NISE 104 User Manual
Chapter 2: Jumpers and Connectors
COM1 Serial Port
Connector type: DB-9 port
Connector location: COM1
Pin Definition Pin Definition
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1
COM2 Serial Port
Connector type: DB-9 port
Connector location: COM2
RS232 RS485 RS422
Pin Definition Pin Definition Pin Definition
1 SP2_DCD 1 SP2_DATA- 1 SP2_TX-
2 SP2_RXD 2 SP2_DATA+ 2 SP2_TX+
3 SP2_TXD 3 NC 3 SP2_RX+
4 SP2_DTR 4 NC 4 SP2_RX-
5 GND 5 GND 5 GND
6 SP2_DSR 6 NC 6 SP2_RTS-
7 SP2_RTS 7 NC 7 SP2_RTS+
8 SP2_CTS 8 NC 8 SP2_CTS+
9 SP2_RI 9 NC 9 SP2_CTS-
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