3Com 5101T-FB-FC, 5101T-FB-SMA, 5101T-FB-ST manual Causes of Fault Transceiver Cables

Models: 5101T-FB-ST 5101T-FB-SMA 5101T-FB-FC

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Causes of Fault Transceiver Cables

The following list describes causes of faulty trans- ceiver cables:

Improper Grounding (pin 1 vs. pin 4).

Bad ground:

Shell connector not crimped onto AUI cable braid.

Ribbon cables in computers not shielded or improperly mounted.

Broken pair wires or unseated AUI connec- tor pin.

Improper pairing - Verify that signal and power wires are paired (for example, Transmit + paired with Transmit -)

Individual pairs not individually shielded (for example, Ethernet V1.0 type cable).

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3Com 5101T-FB-FC, 5101T-FB-SMA, 5101T-FB-ST manual Causes of Fault Transceiver Cables