Asus MEZ MEZ User Manual - Page 30
ASUS MEZ User's Manual, Chassis Intrusion Sensor Lead 4-1 pin CHASIS, SMBus Connector 5-1 pin SMB
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III. HARDWARE SETUP 17. Chassis Intrusion Sensor Lead (4-1 pin CHASIS) This lead is for a chassis intrusion monitor or sensor. The sensor is triggered when a high level signal is sent to the "chassis signal" lead. This occurs when a panel switch or light detector is triggered. This function requires an optional trigger switch, such as the ASUS CIDB Chassis Intrusion Photo Sensor Module (See APPENDIX) and/or a chassis mounted toggle switch, to be installed. +5VSB Chassis Signal Ground 01 01 01 01 01 01 III. H/W SETUP Connectors MEZ Chassis Open Alarm Lead 18. SMBus Connector (5-1 pin SMB) This connector allows you to connect SMBus devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. The SMBus or System Management Bus is a specific implementation of an I2C bus, which is a multi-master bus, that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer. 1 MEZ SMBus Connector SMBCLK Ground SMBDATA +5V 30 ASUS MEZ User's Manual