NEXCOM NEX 981 - Manual (Page 25)

Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved. 11 NEX 981 User Manual
Chapter 2: Jumpers and Connectors
Connector Pin Definitions
Internal Connectors
3-Pin CPU Fan Connector (+12V)
Connector type: 1x3 3-pin header
Connector location: CPU_FAN2 and CHA_FAN2
1 3
Pin Definition
1 GND
2 +12V
3 CPU_FAN_SPEED
RS-232 Port 4 Pin Headers
Connector type: 2x5 10-pin header
Connector location: COM3, COM4, COM5 and COM6
Pin Definition Pin Definition
1 DDCD#1 2 TTXD1
3 GND 4 RRTS#1
5 RRI#1 6 RRXD1
7 DDTR#1 8 DDSR#1
9 CCTS#1
1 5
6 10