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8 connectors – Asus Motherboard PR-DLSR533 User Manual

Page 43

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ASUS PR-DLSR533 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-DLSR533

®

PR-DLSR533 Chassis Open Alarm Lead

CHASSIS

+5V

olt

(Power Supply Stand By)

Chassis Signal

Ground

PR-DLSR533

®

PR-DLSR533 Serial COM2 Connector

COM2

PIN 1

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