Asus TS300-E4 PX4 User Guide - Page 90

13. 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. AUX_PANEL1 1 22 NC I2C_4_CLK# GND I2C_4_DATA# +5VSB LAN1_LINK LAN1_ACT LAN2_ACT LAN2_LINK ® P5M2 PIN1 +5VSB CASEOPEN GND LOCATORLED1+ LOCATORLED1- LOCATORBTN# GND LOCATORLED2LOCATORLED2+ P5M2 Auxiliary Panel Connector 3 454 1. Front Panel SMBus (6-1 pin) These leads connect the front panel SMBus cable. 2. LAN link activity LED (2-pin LAN1_LINKACTLED and 2-pin LAN1_ LINKACTLED Both of the 2-pin connectors are for the LAN1 and LAN2 Activity LED. Connect the LAN Activity LED cable to this connector. This LED blinks during a network activity and is always lit when linked. 3. Chassis Intrusion connector (4-1pin 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. If you like to disable this feature, please place one jumper cap over the CASEOPEN and GND leads. 4. Locator LED (2-pin LOCATORLED1 and 2-pin LOCATORLED2) Both of the 2-pin connector is for the Locator LED 1 and LED 2. Connect the Locator LED cable to this 2-pin connector. This LED lights up when the Locator button is pressed. 5. Locator Button/Switch (2-pin LOCATORBTN) This connector is for the locator button. This button queries the state of the system locator. 4-20 Chapter 4: Motherboard information