NetTool
Users Manual
• Problem: Pair mismatch | • Problem: Level low | |
Explanation: The link pulse is being sourced on the | Explanation: The link pulse detected from a device is | |
same wire pair by both sides. This problem does not | low. This can negatively affect performance. | |
prevent connection to the network. NetTool |
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automatically swaps the pairs to correct this problem. | Remedy: Replace the NIC card or change the | |
Remedy: Check the cabling. It may be plugged into | hub/switch ports. This problem can also be caused by | |
excessive cable attenuation. | ||
an uplink port. Also, there may be a crossover cable | ||
• Problem: Transmit pair open | ||
between NetTool and the device. | ||
• Problem: Duplex mismatch | Explanation: The wire pair used to transmit (1,2 or | |
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Explanation: One side is running at half duplex and | 3,6) has an open. This problem prevents connection | |
to the network. | ||
the other side is running at full duplex. This mismatch | ||
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prevents connection to the network. | Remedy: Isolate the cable and replace it. | |
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Remedy: Reconfigure the devices so the duplex |
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settings match. |
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•Problem: Polarity reversed
Explanation: The polarity of the detected link pulse is reversed.
Remedy: This is most likely due to a reversed pair. Check cabling to ensure that the pairing is correct.
