M6 System | V4 | Installation
Understanding Receiver LEDs
LEDs on the receiver are useful to know if the receiver is connected to the computer and what types
of hydrophones are connected to the receiver.
Boot sequence
When the receiver restarts, the hydrophone and PoE LEDs light up according to a specific sequence.
At the end of the sequence:
• LEDs are off if no hydrophone is configured.
• LEDs are red or blue if hydrophones are configured.
If one or several LEDs stay green after the boot sequence, there is a problem with the receiver.
Contact your local support service.
PoE LED
You can refer to the PoE LED color to know if the receiver is correctly connected to the computer.
• Blinking green: the receiver is connected to a power source and to the computer.
• Blinking blue: the receiver is connected to a power source but it is disconnected from the
computer. Check that the computer is connected to the PoE switch.
• Blinking red: Ethernet is resetting.
Hydrophone LEDs
The LEDs on the hydrophone inputs identify the type of hydrophone that is connected to the
receiver.
• Blue: passive hydrophone
• Red: active hydrophone
• No light: no configured hydrophone
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