AXIOMTEK eBOX640-521-FL Series, User Manual

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eBOX640-521-FL Series U
ser’s Manual
Jumper & Connector Settings
29
3.3.12 Front Panel Connector (CN34)
The CN34 is a 2x7-pin (pitch=2.54mm) header for front panel interface.
Power LED
Pin 1 connects anode (+) of LED and pin 5 connects cathode(-) of LED. The power LED lights
up when the system is powered on.
External Speaker and Internal Buzzer
Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer. While connecting
the board to an internal buzzer, please set pin 2 and 4 closed; while connecting to an external
speaker, you need to set pins 2 and 4 opened and connect the speaker cable to pin 8(+) and
pin 2(-).
Power On/Off Button
Pin 9 and 10 connect the power button on the front panel to the board, which allows users to
turn on or off power supply.
Pins Signals Pins Signals
1 Power LED+ 2 SPK-
3 N/C 4 Buzzer
5 Power LED- 6 N/C
7 N/C 8 SPK+
9 PW R- 10 PW R+
11 RESET- 12 RESET+
13 HD LED- 14 HD LED+