J Mansfield wrote:

> in most cases there is a requirement for a crossover cable.

Not so...

Most current crop of machines (G4 included) can auto detect when directly
connected via ethernet.

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TITLE

Macintosh: Apple Products That Require an Ethernet Crossover Cable
Article ID:
Created:
Modified:    42717
3/29/02
2/5/03
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TOPIC 


This document outlines which Apple products require an Ethernet crossover
cable, and which can use a standard Ethernet cable when connecting directly
to another Apple product.

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DISCUSSION 


You can connect two computers together using an Ethernet cable to form a
small network. Depending on the computer model, you may need to use a
crossover Ethernet cable instead of a straight-through Ethernet cable.

Most later Macintosh computers are able to use either a straight-through
Ethernet cable or a crossover Ethernet cable automatically through the use
of Auto-Medium Dependent Interface Crossover (Auto-MDIX). Other Macintosh
computers require the use of an Ethernet crossover cable because they only
work with the Medium Dependent Interface (MDI) .

Auto-MDIX automatically switches between MDI and MDI-X, which allows either
type of cable to be connected regardless of whether you are connecting two
computers directly, or you are connecting to a hub or switch.

Note: MDI devices connected to Auto-MDIX devices do not require a crossover
Ethernet cable.

Products that do not require a crossover cable

*    Power Mac G4 (Gigabit Ethernet)
*    Power Mac G4 (Digital Audio)
*    Power Mac G4 (QuickSilver)
*    Power Mac G4 (QuickSilver 2002)
*    Xserve
*    Power Mac G4 (Mirrored Drive Doors)
*    PowerMac G4 (FW 800)

*    PowerBook G4
*    PowerBook G4 (Gigabit Ethernet)
*    PowerBook G4 (DVI)
*    PowerBook G4 (1 GHz/867 MHz)
*    PowerBook G4 (12-inch)
*    PowerBook G4 (17-inch)

*    iMac (17-inch 1GHz)

*    iBook (Dual USB)
*    iBook (Late 2001)
*    iBook (14.1 LCD)
*    iBook (16 VRAM)
*    iBook (14.1 LCD 16VRAM)
*    iBook (Opaque 16 VRAM)
*    iBook (32 VRAM)
*    iBook (14.1 LCD 32 VRAM)

*    AirPort Base Station (Dual Ethernet)
*    AirPort Extreme Base Station

Products that require a crossover cable if connecting to another product
from this list

*    Power Macintosh G3 (Blue and White)
*    Power Mac G4 (PCI Graphics)
*    Power Mac G4 (AGP Graphics)
*    Power Mac G4 Cube

*    iMac
*    iMac (Slot Loading)
*    iMac (Summer 2000) (See Note 1.)
*    iMac (Early 2001)
*    iMac (Summer 2001) (See Note 1.)
*    iMac (Flat Panel)

*    eMac

*    PowerBook G3 Series (Bronze Keyboard)
*    PowerBook (FireWire)

*    iBook 
*    iBook (FireWire)

*    AirPort Base Station (Graphite)
Related documents

*    106658 "Macintosh: How to Create a Small Ethernet Network"
*    30722 "Ethernet: Crossover Cable Pinout"
*    106655 "Ethernet: Speed of Ethernet Cabling"
Notes

1. The parenthetical product descriptions (Summer 2000) and (Summer 2001)
refer to the summer of the Northern Hemisphere.

------------------------------------------------------------------------
Document Information
Product Area:    MC
Category:
Sub Category:
Keywords:    khwreview, kibook, kimac, kimacfp, kemac, kpbook, kpbg4

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