Asus KFN4-D16 User Guide - Page 51

USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P7USB_P7+ GND USB34 KFN4-D16/SAS 1 KFN4-D16 (Series) USB 2.0 connectors 8. System panel auxiliary connector (20-pin AUX_PANEL1) This connector supports several server system functions. • Chassis intrusion connector (3-pin CASE OPEN) 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 connector 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 locator 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. ASUS KFN4-D16 Series 2-31