Phihong POE36U-1AT Manual De Usuario
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Gigabit Power Injector Block Diagram
Description of LED Functions for Gigabit Power Injector
Power-up Sequence:
Upon power-up, all 3 LEDs will light for 2 seconds, as part of the self-test for the internal
microprocessor software. After the end of the 2 seconds, the "ON" LED will illuminate green,
signifying that the DC output voltage is available for powering a compliant load (to the 802.3at
PoE standards).
microprocessor software. After the end of the 2 seconds, the "ON" LED will illuminate green,
signifying that the DC output voltage is available for powering a compliant load (to the 802.3at
PoE standards).
Detection Sequence:
Once a compliant load is attached to the output RJ45 connector, the green "CONNECT" LED
will illuminate. Should the load is classified as Class 4 PD, the green “PoEPLUS” LED will
illuminate. Otherwise, “PoEPLUS” LED will stay off.
will illuminate. Should the load is classified as Class 4 PD, the green “PoEPLUS” LED will
illuminate. Otherwise, “PoEPLUS” LED will stay off.
Should the load be non-compliant then the LEDs will blink a code signifying the cause for non-
detection.
detection.
Detection Failure Codes:
1. Incorrect resistive signature – The green “CONNECT” and green “PoEPLUS” LEDs will
1. Incorrect resistive signature – The green “CONNECT” and green “PoEPLUS” LEDs will
blink 3 times.
2. Incorrect capacitive signature – The green “ON” LED will blink 3 times.
3. Incorrect Voffset – The green “CONNECT” and green “ON” LEDs will blink 3 times.
4. Unstable current measurement – The green “CONNECT” LED will blink 3 times
5. Low voltage sensed during detection (overload) – The green “PoE PLUS” LED will blink 3
3. Incorrect Voffset – The green “CONNECT” and green “ON” LEDs will blink 3 times.
4. Unstable current measurement – The green “CONNECT” LED will blink 3 times
5. Low voltage sensed during detection (overload) – The green “PoE PLUS” LED will blink 3
times
After the LEDs blink 3 times the PSE will continue to try to detect a valid load. Therefore,
until the correct load is applied, the LEDs will continue to blink. If there is an open circuit
connected to the output RJ45 then the LEDs will not blink but the PSE will continue to try to
detect a valid load.