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16
QDI
Installation Instruction
Chassis Security Switch (CHSSEC)
The connector connects to the chassis security switch on the case. The system can detect
the chassis intrusion through the status of this connector. If the connector has been closed
once, the system will record the status and indicate the chassis has been opened. You can
monitor or check this information from some software.
SPDIF Connector(optional)
The SPDIF input allow your digital audio input from digital audio devices.(optional) The SPDIF
output is capable of providing digital audio data or compressed AC3 data to an external
Dolby digital decoder.
SPDIF
1
GND
SPDIF out
GND
CHSSEC
GND
Indicate
signal
SPDIF out
SPDIF in
+5V
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