Axis T8125 Installation Guide download pdf (Page 13)

AXIS T8125 AC 24 V Midspan 60 W Page 13

ENGLISH

Ethernet Interface

Troubleshooting

Input (DATA IN)

RJ45 female socket

Output (DATA & POWER OUT):

Ethernet 10/100/1000Base-T, plus 55 V DC

RJ45 female socket, with DC

voltage on wire pairs 1-2, 3-6, 4-5

& 7-8.

Symptom Corrective Steps

The AXIS T8125

does not power up.

1. Remove and re-apply power to the device and check the

indicators during power up sequence.

2. Verify that the voltage at the power inlet is in the range

24 V AC +/- 20%.

3. Verify that the power inlet cable is functional.

A port indicator is

not lit and the

AXIS T8125 does

not operate

1. Verify that the powered device is designed for PoE

operation.

2. Verify that you are using a standard Category 5/5e/6,

straight-wired cable, with four pairs.

3. Ensure that the input Ethernet cable is connected to the

DATA IN port.

4. Verify that the powered device is connected to the DATA

& POWER port.

5. If an external power splitter is in use, verify that it works.

6. Verify that there is no short over on any of the twisted

pair cables or over the RJ45 connectors.

7. If possible reconnect the same powered device into a

different midspan.

The end device

operates, but there

is no data link

1. Verify that the port indicator on the front panel is

continuously lit.

2. Verify that for this link, you are using standard UTP/FTP

Category 5 straight (non-crossover) cabling, with all four

pairs.

3. Verify that the Ethernet cable length is less than 100

meters from the Ethernet source to the load/remote

terminal.

4. If an external power splitter is in use, verify that it works.

5. If possible reconnect the same powered device into a

different midspan.

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Axis T8125 Installation Guide Page 13

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