Supermicro SuperServer SYS-E302-12A-4C User Manual page 37

Overheat (OH)/Fan Fail
Connect an LED cable to pins 7 and 8 of JFP1 (Front Control Panel) to use the Overheat/
Fan Fail/Power Fail and UID LED connections. The blue LED on pin 7 works as the front
panel UID LED indicator. The red LED on pin 8 provides warnings of overheating, fan failure
or power failure. The red LED takes precedence over the blue LED by default.
OH/Fan Fail/PWR Fail/UID LED
Pin Definitions (JFP1)
Pin# Definition
7 Blue LED
8 OH/Fan Fail/Pwr Fail
NIC1/NIC2 (LAN1/LAN2)
The NIC (Network Interface Controller) LED connection for LAN port 1 is located on pins 11
and 12 of JFP1, and the LED connection for LAN Port 2 is on pins 9 and 10. Attach the NIC
LED cables here to display network activity.
HDD LED
The HDD LED connection is located on pins 13 and 14 of JFP1. Attach a cable here to
indicate the status of HDD-related activities, including SATA activities.
Power LED
The Power LED connection is located on pins 15 and 16 of JFP1.
LAN1/LAN2 LED
Pin Definitions (JFP1)
Pin# Definition
9 NIC2 Activity LED
10 NIC2 Link LED
11 NIC1 Activity LED
12
NIC1 Link LED
HDD LED
Pin Definitions (JFP1)
Pin# Definition
13 3.3V Standby/UID Switch
14 HDD Active
Power LED
Pin Definitions
(JFP1)
Pin# Definition
15 3.3V
16 Power LED
37
Chapter 4 Motherboard Connections
Indicator Status
Status Definition
Off Normal
On Overheat
Flashing Fan or power fail