Asus AP2400R-E1 User Manual download pdf (Page 68)

Chapter 4: Motherboard information

4-10

4. Chassis intrusion connector (4-1 pin CHASSIS)

This lead is for a chassis designed with 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.

By default, the pins labeled “Chassis Signal” and “Ground” are

connected to the front panel microswitch. If you wish to disable the

chassis intrusion detection feature, unplug the cable from the

microswitch and place a jumper cap to these pins.

5. SMBus connector (6-1 pin SMB)

This connector allows you to connect SMBus (System Management

Bus) devices. Devices communicate with an SMBus host and/or other

SMBus devices using the SMBus interface. SMBus is a specific

implementation of an I

C bus, a multi-device bus that allows multiple

chips to connect to the same bus and enable each one to act as a

master by initiating data transfer.

PR-DLS533

PR-DLS533 SMBus Connectors

SMB

SMBCLK

Ground

SMBDATA

+3V

FLOATING

PR-DLS533

PR-DLS533 Chassis Intrusion Connector

CHASSIS

+5Volt

(Power Supply Stand By)

Chassis Signal

Ground

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Asus AP2400R-E1 User Manual Page 68