Connector pin definitions, External i/o interfaces – NEXCOM NEX 880 User Manual
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Copyright © 2011 NEXCOM International Co., Ltd. All Rights Reserved.
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Chapter 2: Jumpers and Connectors
NEX 880/890 User Manual
External I/O Interfaces
Connector Pin Definitions
PS/2 Keyboard and PS/2 Mouse Ports
Connector type: PS/2, Mini-DIN-6
Connector location: KM1
Pin
Definition
Pin
Definition
1
Keyboard Data
7
Mouse Data
2
NC
8
NC
3
GND
9
GND
4
+5VSB
10
+5VSB
5
Keyboard Clock
11
Mouse Clock
6
NC
12
NC
PS/2 Mouse
PS/2 Keyboard
Pin
Definition
Pin
Definition
1
DCD1
10
DCD2
2
RXD1
11
RXD2
3
TXD1
12
TXD2
4
DTR1
13
DTR2
5
GND
14
GND
6
DSR1
15
DSR2
7
RTS1
16
RTS2
8
CTS1
17
CTS2
9
RI1
18
RI2
9
1
5
6
COM1 and COM2 Ports (RS232)
Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM2
9
1
5
6
COM1
COM2
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