Supermicro SUPERSERVER 4028GR-TR User Manual page 63

Power Fail LED
The Power Fail LED connection is located
on pins 5 and 6 of JF1. Refer to the table
on the right for pin definitions.
Overheat/Fan Fail/UID LED
Connect an LED cable to pins 7 and 8 of
JF1 for the Overheat/Fan Fail and UID
LED connections. The Red LED on pin
8 provides warnings of overheating or
fan failure. The Blue LED on pin 7 works
as the front panel UID LED indicator.
UID switch is located on pin 13 of JF1.
Refer to the tables on the right for more
information.
NIC2 (LAN2) LED
The LED connections for LAN2 are on pins
9 and 10 of JF1. Attach an LED cable to
display network activity. See the table on
the right for pin definitions.
NIC1 (LAN1) LED
The LED connections for LAN1 are on pins
11 and 12 of JF1. Attach an LED cable to
display network activity. See the table on
the right for pin definitions.
Chapter 5: Advanced Serverboard Setup
Pin#
5
6
OH/Fan Fail/Blue_UID LED Pin
Pin# Definition
7 Blue_UID LED
8 OH/Fan Fail (Red)
State
Off
On
Flashing
Pin#
9
10
Pin#
11
12
5-15
PWR Fail LED
Pin Definitions
(JF1)
Definition
3.3V
PWR Fail LED
Definitions (JF1)
OH/Fan Fail LED
Status (Red LED)
Definition
Normal
Overheat
Fan Fail
NIC2 LED
Pin Definitions
(JF1)
Definition
Activity LED
Link LED
NIC1 LED
Pin Definitions
(JF1)
Definition
Activity LED
Link LED