Jeff,

Thanks so much for your expansive response to my question. After spending Bo cou hours trying various combinations, I had just given up. Now, I will take your trouble shooting information and re-visit my set up. I'll post what my problem was if I can, in fact, isolate it.

I'm going to print up your response and put it in my box of networking parts for next time.

You're the greatest.

Bob Robeson

Jeff Walther wrote:

At 20:46 -0800 02/13/2004, Bob Robeson wrote:

Hi Nancy,

Yes, I just want to share programs and files back and forth. I know about
and went to the file sharing Control Panel and set all that up. When I go to
chooser is when things fall apart. I just tried it again and crashed the S900.


So I'm a week or more behind on email...

There are no cross over cables in Localtalk. LocalTalk is the network media supported through the printer port. This is confusing because Apple used the serial ports (printer and modem) for two distinct purposes. When you do not have AppleTalk (a network protocol, analogous to a language) pointed at a serial port, then the serial port behaves as a serial port. When you point AppleTalk at a serial port, it behaves as a LocalTalk port, and not as a serial port.

Even though Macintoshes use the same connector for both purposes, a serial port is not the same thing as a LocalTalk port. Specifically, there are printers with a mini-DIN8 connector which only support LocalTalk and not serial communications. And there are printers with a mini-DIN8 connector which only support serial communications and not LocalTalk.

One last detail. I use LocalTalk and PhoneNet pretty interchangably, but there was actually a type of special and expensive cabling from Apple called LocalTalk cabling. What most folks use for LocalTalk communications is the much cheaper PhoneNet connectors which are the little boxes with two phone jacks that plug into the serial/LocalTalk port. I assume that you're using PhoneNet.

In your case there are at least three things to look out for. First, PhoneNet uses the yellow and black wires in a phone cord while the phone uses the red and green wires. So, some cheap phone cords only contain the green and red wires and cannot be used for LocalTalk/PhoneNet connections. I've mostly seen these cheap phone cords included with modems.

Second, does your printer actually support LocalTalk/Appletalk or is it only a serial printer. If it is just a serial printer, then this is never going to work. You'll have to check your printer's specs for that.

Third, is your PhoneNet network properly terminated. Each little phonenet box has two RJ-11 jacks so that it can connect to a device on either side of it in a daisy chain. When you reach the end of the daisy chain, there's only one incoming cable and an empty jack on the phonenet box. Any empty jacks on your phonenet boxes need a terminator installed. I think this was a 110 ohm resistor across the yellow and black wires, but I'm not certain. Generally, each phonenet box shipped with a little phone plug wiht the resistor installed so you could just plug in the terminator whereever you needed it.

Jeff Walther




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