Bull R424-E2, Installation And User Manual, Page: 72 / 182

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ullx R424-E2/R424-INF-E2 and R424-F2/R424-INF-F2 Installation and User's Guide
UID Switch
Pin# Defi nition
1 Ground
2 Ground
3 Button In
4 Ground
1: Rear UID Switch
2: FP UID Switch & UID LED
3: Rear UID Switch and Rear UID LED
Unit Identifi er Switches
Two Unit Identifi er (UID) Switches and LED Indicators
are located on the serverboard. The Front Panel UID
Switch is located at Pin 16 on JF2. The Rear UID Switch
is located at SW1 next to the Infi niBand Connector. The
Front Panel UID LED is located at Pin 17 of JF2, and
the Rear UID LED is located at LE4. When you press
a UID switch on the front panel or on the back panel,
both Rear UID LED and Front Panel UID LED Indicators
will be turned on. Press the UID switch again to turn off
both LED Indicators. These UID Indicators provide easy
identifi cation of a system unit that may be in need of
service. See the table on the right for pin defi nitions.
Note : UID LED is supported by the physical
switch or the BMC. When it is controlled by
the physical switch, it will stay solid. When it
is controlled by the BMC, it will blink.
UID Switches & LEDs
Description# Location
FP Switch Pin 16 on JF2
Rear Switch SW1
FP UID LED
(Blue LED) Pin 17 on JF2
Rear UID
LED LE4