Chapter 2: Installation
Overheat LED
Connect an LED to the JOH1 header to provide warning of chassis overheating. See the table on the right for pin definitions.
Power LED/Speaker
On the JD1 header, pins 1~3 are used for power LED indication, and pins
Unit Identifier Button
There is a Unit Identifier (UID) button on the rear I/O of the board. There is another UID button located on the control panel. When you push either UID button, both Rear UID and Front Panel UID Indicators will illuminate. Push either button again to turn off both indicators. These UID indicators provide easy identification of a system unit that may be in need of service.
Overheat LED
Pin Definitions
(JOH1)
Pin# Definition
13.3V
2OH Active
PWR LED Connector
Pin Definitions
Pin Setting Definition
Pin 1 | Anode (+) |
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Pin2 | Cathode |
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Pin3 | NA |
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Speaker Connector
Pin Definitions
Pin Setting Definition
Pins 4~7 External Speaker
Pins 6~7 Internal Speaker
UID Button
Pin Definitions
Pin# Definition
1Ground
2Ground
3Button In
4Ground
