As I mentioned earlier, I have been doing this with all my shack equipment for many years... it is nothing new. The devices required to do it were mainly invented for the Point Of Purchase (cash registers, credit card readers) and industrial control markets. My units are all Lantronix, but another popular brand is Digi. They range from embedded PCBs to converters in a socket to multiport boxes. I have one I bought on ebay which provides 8 serial ports from one ethernet port, and cost me $30.

I like this approach for remote control because it eliminates the PC and its maintenance. There are also inexpensive devices to provide streaming VoIP over ethernet from companies like Sippura and Cisco, using "analog telephone adapters" aimed at the Vonage type internet phone market. This allows a remote setup with just a router and broadband modem of some sort. The rig, rotator and other equipment appear as remote "virtual" com ports over the internet.

As Simon pointed out, latency can be an issue... especially with Yaesu rigs, but my experience with Kenwood/Elecraft has been fine. Using a PC as the remote host also works fine and many people use both types of systems now... but either way, a serial port on the rig is a perfectly good, simple and reliable way to interface the rig.

73,
Larry N8LP



Matthew Zilmer wrote:
Try this too:
http://www.barcode-manufacturer.com/serial-ethernet/serial-ethernet_converter.html#100mbps_115

matt
WA6EGJ


==

On Mon, 04 Jun 2007 22:17:33 -0700, you wrote:

Especially in light of end-user products like this:
http://www.eltima.com/products/serial-over-ethernet/

There are a lot of them out there.  Google "serial-over-ethernet".

Matt Zilmer
WA6EGJ
K2 s/n 2810

 I think Elecraft missed an opportunity in the design of the K3
regarding networking. (Ian)

I don't know that I would jump to that conclusion. Given that the K3
can be fully controlled via the  serial port, it would surprise me if
an ethernet adapter was not a planned future offering - but better to get the base rig on the market, don't you think?

73 - jeff wk6i


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