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3.TROUBLESHOOTING
This chapter contains information to help you solve problems. If the Switch is not functioning properly, make sure the
Ethernet Switch was set up according to instructions in this manual.
The PoE LED is not lit
Solution:
Check the cable connection between POE-151 and IEEE 802.3af device.
Can the POE-151 work with Gigabit Ethernet device?
Solution:
The POE-151 use 4-wire for data transmission (pair 1, 2, pair 3, 6) and 4-wire for power supply (pair 4, 5, pair 7, 8),
thus Gigabit Ethernet device connect to POE-151 will not send data over the power wire and the transmit speed shall
change to 100Mbps.
Why I connect my PoE device to POE-151 and it cannot power on?
Solution:
1. Please check the cable type of the connection from POE-151 to the other end. The cable should
be an 8-wire UTP, Category 5 or above, EIA568 cable within 100 meters. A cable with only
4-wire, short loop or over 100 meters, all will affect the power supply.
2. Please check and assure the device that fully complied with IEEE 802.3af standard.
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