TITLE
    Ethernet: Crossover Cable Pin Out
Article ID:
Created:
Modified: 		30722
8/24/98
12/15/00
TOPIC

    This article lists the pinout and signal assignments for a 10BaseT Ethernet crossover cable.

DISCUSSION

    Cabling should be Category 5 Unshielded Twisted Pair wire (UTP) for optimum performance.

    Here are the pinout assignments:

    From
    To
    1
    3
    2
    6
    3
    1
    4
    none
    5
    none
    6
    2
    7
    none
    8
    none

    Here are the signal assignments:
    Pin
    Signal
    1
    TD+
    2
    TD-
    3
    RD+
    4
    not used by 10BaseT (1)
    5
    not used by 10BaseT (2)
    6
    RD-
    7
    not used by 10BaseT
    8
    not used by 10BaseT

    Notes:
      1. On a telephone line this is TIP.
      2. On a telephone line this is RING.


Document Information
Product Area: Communications-Networking
Category: LocalTalk-EtherTalk-Token Ring
Sub Category: EtherTalk and Ethernet
Keywords: supt

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