Asus PR-DLSR PR-DLSR User Manual - Page 41

Connectors

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2.8 Connectors This section describes and illustrates the internal connectors on the motherboard. 1. Chassis alarm lead (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 shorted with a jumper cap. If you wish to use the chassis intrusion detection feature, remove the jumper cap from the pins. CHASSIS +5Volt (Power Supply Stand By) Chassis Signal Ground PR-DLSR ® PR-DLSR Chassis Open Alarm Lead 2. Serial port 2 connector (10-1 pin COM2) This connector accommodates a second serial port using an optional serial port bracket. Connect the bracket cable to this connector then install the bracket into a slot opening at the back of the system chassis. COM2 PIN 1 PR-DLSR ® PR-DLSR Serial COM2 Connector ASUS PR-DLSR motherboard user guide 2-17

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ASUS PR-DLSR motherboard user guide
2-17
2.8
Connectors
This section describes and illustrates the internal connectors on the
motherboard.
2.
Serial port 2 connector (10-1 pin COM2)
This connector accommodates a second serial port using an optional
serial port bracket. Connect the bracket cable to this connector then
install the bracket into a slot opening at the back of the system chassis.
1.
Chassis alarm lead (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 shorted
with a jumper cap. If you wish to use the chassis intrusion detection
feature, remove the jumper cap from the pins.
PR-DLSR
PR-DLSR Chassis Open Alarm Lead
CHASSIS
+5Volt
(Power Supply Stand By)
Chassis Signal
Ground
PR-DLSR
PR-DLSR Serial COM2 Connector
COM2
PIN 1