© National Instruments
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B-11
T-SGPIO0/1 Headers
Use the two Serial-Link General Purpose Input/Output (T-SGPIO) headers to communicate with
the enclosure management chip in the system.
Figure B-16.
T-SGPIO0/1 Header
4
GND
Reset button ground
5
LE
Power fail LED Vcc
6
Power Fail LED
Power fail LED ground
7
UID LED
Vcc/blue UID LED
8
OH/Fan Fail LED
OH/fan fail LED
9
LE
NIC2 LED Vcc
10
NIC2 LED
NIC2 LED ground
11
LE
NIC1 LED Vcc
12
NIC1 LED
NIC1 LED ground
13
LE
HDD LED +5 V
14
HDD LED
HD active
15
LE
Power LED +5 V
16
Power LED
Power LED ground
Table B-6.
T-SGPIO0/1 Header Signal Descriptions
Pin
Signal
Description
Pin
Signal
Description
1
NC
2
NC
3
GND
4
DATA Out
Table B-5.
Front Panel Connector Signals (Continued)
Pin
Signal Name
Signal Description
1
7
8
2
