Supermicro H13SSL-N - Page 39

39
Chapter 2: Installation
Unit Identier Switch /UID LED Indicator
A Unit Identier (UID) switch is located on the I/O backplane, and two UID LED indicators are
located on the serverboard. The rear UID LED is located next to the UID switch. The front
UID LED is located on pins 7 and 8 on the front control panel (JF1). When you press the UID
switch, both rear and front UID LED indicators will be turned on. Press the UID switch again
to turn o󰀨 the LED indicators. The UID Indicators provide easy identication of a system unit
that may be in need of service.
Note: UID can also be triggered via IPMI on the serverboard. For more information on IPMI,
please refer to the IPMI User's Guide posted on our website at http://www.supermicro.com.
UID LED
Pin Denitions (JF1)
Pin# Denition
7 UID LED+
8 UID LED-
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 the LED connection for LAN Port 2 is on pins 9 and 10. Attach the NIC
LED cables here to display network activity.
LAN1/LAN2 LED
Pin Denitions (JF1)
Pin# Denition
9 NIC2 LED+
10 NIC2 LED-
11 NIC1 LED+
12 NIC1 LED-
HDD LED/UID Switch
The HDD LED/UID Switch connection is located on pins 13 and 14 of JF1. Attach a cable to
pin 14 to show hard drive activity status. Attach a cable to pin 13 to use UID switch. Refer
to the table below for pin denitions.
HDD LED
Pin Denitions (JF1)
Pin# Denition
13 HDD LED+/UID Switch+
14 HDD LED-