Com1 serial port, Com2 serial port – NEXCOM NISE 104 User Manual
Page 26
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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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