Asus RS120-E4 User Guide - Page 64
LAN activity LED 2-pin LAN1_LED, LAN2_LED
UPC - 610839641819
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12. Auxiliary panel connector (20-pin AUX_PANEL1) This connector is for additional front panel features including front panel SMB, locator LED and switch, chassis intrusion, and LAN LEDs. • Front panel SMB (6-1 pin FPSMB) These leads connect the front panel SMBus cable. • LAN activity LED (2-pin LAN1_LED, LAN2_LED) These leads are for Gigabit LAN activity LEDs on the front panel. • Chassis intrusion (2-pin CHASSIS) These leads are for the intrusion detection feature for chassis with intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to these leads to record a chassis intrusion event. • Locator LED (6-pin LOCATOR) These leads are for the locator switch and LED on the front panel. ® P5M2-R Chassis intrusion Front panel SMB P5M2-R.Auxiliary.panel.connector AUX_PANEL1 1 +5VSB CASEOPEN GND LOCATORLED1+ LOCATORLED1LOCATORBTN# GND LOCATORLED2LOCATORLED2+ NC I2C_4_CLK# GND I2C_4_DATA# +5VSB LAN1_LINKACTLEDLAN1_LINKACTLED+ LAN2_LINKACTLED+ LAN2_LINKACTLED- Locator LED and LAN activity LED switch By default, a cable plug (6x2, 12-pin) connects the AUX_PANEL1 to the front panel I/O board. The Pin1 on the cable plug is located at the top right corner and is marked by a triangle. Take note of the Pin1 when reconnecting the cable plug to prevent incorrect insertion. 4-16 Chapter 4: Motherboard information