Asus K8N-LR - Manual (Page 47)

ASUS K8N-LR 2-27
11. System panel auxiliary connector (20-pin AUX_PANEL1)
This connector supports several server system functions.
• Chassis Intrusion connector (3-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.
• Locator LED 1 (2-pin LOCATORLED1)
This 2-pin connector is for the Locator LED 1. Connect the Locator
LED 1 cable to this connector. This LED lights up when the Locator
button is pressed.
• Locator LED 2 (2-pin LOCATORLED2)
This 2-pin connector is for the Locator LED 2. Connect the Locator
LED 2 cable to this connector.
• Locator Button/Switch (2-pin LOCATORBTN)
This connector is for the locator button. This button queries the state
of the system locator.
• 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.
K8N-LR A uxiliary Panel Connector
AUX_PANEL1
I2CDA
TA_P2
LOCA
TO
RLED1+
+5VSB
LOCA
TO
RLED1-
LAN1_LINKACTLED
+
LOCA
TO
RBTN
#
LAN1_LINKACTLED
-
GN
D
+5VSB
I2CCLK_P
2
GN
D
GN
D
LAN2_LINKACTLED
-
LOCA
TO
RLED2-
LAN2_LINKACTLED
+
LOCA
TO
RLED2+
CASEOPEN
NC
K8N-LR R