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Apple AUI (AAUI) |
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Apple Attachment Unit Interface (AAUI) is a re-design of the standard Attachment Unit Interface (AUI) used to connect Ethernet transceivers to computer equipment. Available on Macintosh Quadra computers, Apple Ethernet NB Card, and LaserWriter IIg printers
The interface between the MAC-layer and Layer 1 is AAUI (Apple Attachment Unit Interface). This connector can was used to connect different physical interface tranceivers, like 10Base-T, 10Base-2 or 10Base-5. The electrical characteristics and functions are identical to the AUI connector defined in the IEEE 802.3. The signalling used is EIA modified RS422. With a speed of 230k bps. The signal encoding used FMO (bi-phase space). AAUI signals have the same description, function, and electrical requirements as the AUI signals of the same name, as detailed in the IEEE Standard 802.3-1990 CSMA/CD, section 7.
Some apple products which have an AAUI connector provide only +5vdc on pin 1; non-apple transceivers require +12vdc
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| ��������(�) � �������������� ����������: Apple Tech Info Library 8863 at Apple TIL homepage, ckp.made-it.com | 0 ������� | |
Last updated at Sat May 12 2007 (�������� ��� ����� ��� ������ ����������) | ���� �������� �������� ������ ��� �� ����������? | |
