Supermicro 2027R-E1CR24L User Manual page 65

Power Fail LED
The Power Fail LED connection is
located on pins 5 and 6 of JF1. Re-
fer to the table on the right for pin
definitions.
Overheat (OH)/Fan Fail/PWR Fail/
UID LED
Connect an LED cable to pins 7 and
8 of JF1 to use the Overheat/Fan Fail/
Power Fail and UID LED connections.
The red LED on pin 7 provides warn-
ings of overheat, fan failure or power
failure. The blue LED on pin 8 works
as the front panel UID LED indicator.
The red LED takes precedence over
the blue LED by default. Refer to the
table on the right for pin definitions.
NIC1/NIC2 LED Indicators
The NIC (Network Interface Control-
ler) LED connection for GLAN port 1
is located on pins 11 and 12 of JF1,
and the LED connection for GLAN port
2 is on pins 9 and 10. Attach the NIC
LED cables here to display network
activity. Refer to the table on the right
for pin definitions.
HDD LED
The HDD LED connection is located
on pins 13 and 14 of JF1. This LED is
used to display HDD activity. See the
table on the right for pin definitions.
Chapter 5: Advanced Serverboard Setup
Pin Definitions (JF1)
Pin#
5
6
OH/Fan Fail/ PWR Fail/Blue_UID
LED Pin Definitions (JF1)
Pin# Definition
7 Red LED-Cathode/OH/Fan Fail/
Power Fail5.5V.SB
8 Blue UID LED
OH/Fan Fail/PWR Fail
LED Status (Red LED)
State
Off
On
Flashing
Pin Definitions (JF1)
Pin#
9
10
11
12
Pin Definitions (JF1)
Pin#
13
14
5-17
PWR Fail LED
Definition
3.3V
Signal
Definition
Normal
Overheat
Fan Fail
GLAN1/2 LED
Definition
Vcc
NIC 2 LED
Vcc
NIC 1 LED
HDD LED
Definition
3.3V Standby
HD Active