Advantech PCM-9587 user manual Front Panel Connector CN22, Power connectors CN25,CN5

2.12Front Panel Connector (CN22)

Next, you may want to install external switches to monitor and control the PCM-9587. These features are optional: install them only if you need them. The Front Panel con- nector (CN22) is a 14-pin male, dual in-line header. It provides connections for a hard disk access indicator, LAN Act., LAN Link, hardware reset, ATX power ON/OFF switch connector, and power on indicator.

2.12.1Power & HDD LED (pin 1-4 of CN22)

The HDD LED indicator for hard disk access is an active low signal (24 mA sink rate). Power supply activity LED indicator.

2.12.2Reset switch (pin 13-14 of CN22)

If you install a reset switch, it should be an open single pole switch. Momentarily pressing the switch will activate a reset. The switch should be rated for 10 mA, 5 V.

2.13Power connectors (CN25,CN5)

2.13.1ATX power connector, +5V (CN5)

Supplies main power to the PCM-9587 (+5V) and to devices that require it.

2.13.2CPU Fan power supply connector (CN25)

Provides power supply +12V to CPU cooling fan, and fan speed detects signal input.

2.14ATX power ON/OFF switch con. pin 11-12 of CN22

2.14.1ATX feature (CN5) & soft power switch (CN22)

The PCM-9587 can support an advanced soft power switch function, if an ATX power supply is used. To enable the soft power switch function connect the power on/off button to CN22. (A momentary type of button should be used.)

Note! Make sure that the ATX power supply can take at least a 10 mA load on the 5 V standby lead (5VSB). If not, you may have difficulty powering on your system.

Chapter 2 Installation

13 PCM-9587 User Manual