Adaptec PCI Ethernet and Fast Ethernet Adapters User's Guide download pdf (Page 91)

A-5

Cables and LEDs

Crossover Cable

If you do not wish to use a repeater or switch to connect servers and

workstations together, you can use a crossover cable.

Note:

When using crossover cables, we recommend you

override line speed autosensing by selecting either 10 Mbps

or 100 Mbps in your driver configuration.

A crossover cable connects the transmit, or TX, pins on one end of

the cable to the receive, or RX, pins on the other end of the cable.

Crossover cables connect workstations and servers directly, without

the use of a repeater or switch. You will generally need to make your

own crossover cables, or custom order them from your supplier.

Cables for 10BASE-T and 100BASE-TX use two pairs (pins 1, 2, 3,

and 6). Cables for 100BASE-T4 use four pairs (pins 1 through 8).

Note:

All pins must be connected even if they are not used to

transfer data.

1 34567821 3456782

Pins used for T4 and TX

Additional pins used for T4 only

1 2 ... 86 87 88 89 90 91 92 93 94 95 96 ... 121 122

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Adaptec PCI Ethernet and Fast Ethernet Adapters User's Guide Page 91