Ethernet cable issue.

Hi all--
I recently acquired this G3 B&W 300, which I am trying to connect to my wired/wireless router via an ethernet cable. I have no Airport card in this machine. When I tried to set it up, Network Status in system prefs told me that "there is no ethernet cable plugged in." But it is, and connected firmly. Any ideas?
Thanks,
Michael

Hi, Michael -
Welcome to Apple's Discussions.
Some possibilities...
• You may have the wrong kind of cable. Although later Macs have an auto-switching ethernet port, the B&W G3 does not. This means that if the device on the other end does not have an auto-switching port, selection of the proper cable type is essential.
The two types in question are - Crossover type, used when connecting a Mac directly to an end device; and Patch type (also called Straight-through), used when connecting the Mac to an intermediate device such as a hub, switch, or router.
Since your router is an intermediate device, you should then be using a Patch type cable.
The two types are hard to tell apart, unless the cable itself is marked. One way to tell is to examine the color-coding of the wires in the end connectors -
Ethernet Cable: Color Coding Standard
• Many Macs will test the ethernet port during startup to see if a live device is present. If there is none detected, then the ethernet bus will be disabled.
The solution for that is to make sure that a device connected to the other end of the cable (the router in this instance) is on and warmed up before booting the Mac.
• The ethernet cable is defective.

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