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7.
System panel auxiliary connector (20-pin AUX_PANEL1)
This connector supports several server system functions.
P5GC-MR Auxiliary Panel Connector
•
Chassis Intrusion connector (2-pin CASEOPEN)
This lead is for a chassis with an intrusion detection feature. This requires
an external detection mechanism such as a chassis intrusion sensor or
microswitch. When you remove any chassis component, the sensor triggers
and sends a high-level signal to this lead to record a chassis intrusion event.
•
LAN1 link activity LED (2-pin LAN1_LINKACTLED)
This 2-pin connector is for the LAN1 Activity LED. Connect the LAN1 Activity
LED cable to this connector. This LED blinks during a network activity and is
always lit when linked.
•
LAN2 link activity LED (2-pin LAN2_LINKACTLED)
This 2-pin connector is for the LAN2 Activity LED. Connect the LAN2 Activity
LED cable to this connector. This LED blinks during a network activity and
lights up when linked.
•
Front Panel SMBus (6-1 pin)
This connector allows you to connect SMBus (System Management Bus)
devices to the system front panel. Devices communicate with an SMBus host
and/or other SMBus devices using the SMBus interface.
2-26
AUX_PANEL1
LAN2_LINKACTLED+
LAN2_LINKACTLED-
LAN1_LINKACTLED-
GND
LAN1_LINKACTLED+
+5VSB
I2CDATA_P2
GND
GND
CASEOPEN
I2CCLK_P2
+5VSB
NC
1
Chapter 2: Hardware information
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