Connector pin definitions, External i/o interface - front – NEXCOM NISE 101 User Manual
Page 25
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Copyright © 2010 NEXCOM International Co., Ltd. All Rights Reserved.
12
Chapter 2: Jumpers and Connectors
NISE 101 User Manual
External I/O Interface - Front
Connector Pin Definitions
ATX Power On/Off Switch
Connector location: PWRBTN1
Pin
Definition
1
GND
2
NC
3
PWRST_R#
4
NC
C1
PLED_N
A1
PLED_P
MH1
NC
MH2
NC
9
1
5
6
RS232/422/485 COM2 Port
Connector type: DB-9
Connector location: COM2
Pin Definition Pin Definition
1
DCD2
2
RXD2
3
TXD2
4
DTR2
5
GND
6
DSR2
7
RTS2
8
CTS2
9
RI2
RS232 Pin Definition
Pin Definition Pin Definition
1
TXD-
2
TXD+
3
RXD+
4
RXD-
5
GND
6
RTS-
7
RTS#
8
CTS+
9
CTS-
RS422 Pin Definition
Pin Definition Pin Definition
1
TXD-
2
TXD+
RXD-
RXD+
3
Reserved
4
Reserved
5
Reserved
6
Reserved
7
Reserved
8
Reserved
9
Reserved
RS485 Pin Definition
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