Supermicro SuperServer SYS-221HE-FTNR User Manual page 64

Chassis Intrusion
A Chassis Intrusion header is located at JL1 on the motherboard. Attach the appropriate
cable from the chassis to inform you when the chassis is opened. Refer to the table below
for pin definitions.
Chapter 4: Motherboard Connections
Chassis Intrusion
Pin Definitions
Pin# Definition
1 Intrusion Input
2 Ground
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