Supermicro SuperServer SYS-521R-T User Manual page 39

NIC1/NIC2 (LAN1/LAN2)
The NIC (Network Interface Controller) LED connection for LAN port 1 is located on pins
11 and 12 of JF1, and LAN port 2 is on pins 9 and 10. Attach the NIC LED cables here to
display network activity. Refer to the table below for pin definitions.
Drive Activity LED
The Drive Activity LED connection is located on pins 13 and 14 of JF1. Attach a cable to pin
14 to show storage drive activity status. Refer to the table below for pin definitions.
Power LED
The Power LED connection is located on pins 15 and 16 of JF1. Refer to the table below
for pin definitions.
Chapter 3: Motherboard Connections
LAN1/LAN2 LED
Pin Definitions (JF1)
Pin# Definition
9/11 3.3 VStby
10/12 NIC Activity LED
Drive Activity LED
Pin Definitions (JF1)
Pins Definition
13 3.3 V
14 Drive Activity LED
Power LED
Pin Definitions (JF1)
Pins Definition
15 +3.3 VStby
16 PWR LED
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