[EXTERNAL] Re: Old days networking

[Howard Cunningham]

Hi

50 ohm coax..     and Vampire Taps.

Question:  If there was a problem with network connectivity and you measure 50 ohms on a connector:  What is the problem?

Or a variation of the question: what is the problem if ohm meter measures 25 ohms?

hc


Howard Cunningham, MCP
howardc at macrollc.com<mailto:howardc at macrollc.com> - personal
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From: Tacos [mailto:tacos-bounces+howardc=macrollc.com at amrad.org] On Behalf Of Jacek Radzikowski
Sent: Sunday, March 12, 2023 3:56 PM
To: Alex Fraser <beatnic at comcast.net>
Cc: tacos at amrad.org
Subject: [EXTERNAL] Re: Old days networking

RJ45 connector? What a whimsy, new-fangled gimmick

Jacek.


On Sun, 12 Mar 2023 at 15:50, Alex Fraser <beatnic at comcast.net<mailto:beatnic at comcast.net>> wrote:

Those were the days, a parallel to Ethernet adapter circa 1993. IIRC you could use a floppy with drivers and a .bat file to boot into MS Dos and be able to use a network. If you remember folks Ethernet adapters weren't built into computers back then, but all had a parallel port. This was a particularly nice gadget to have when configuring early laptops. This was the desirable version of that Xircom gadget that had both kinds of Ethernet, remember when Ethernet was 50 ohm coax?
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