Path: utzoo!attcan!uunet!samsung!interlan.InterLan.COM!interlan.interlan.com!yetsko From: yetsko@interlan.Interlan.COM (Mike Yetsko) Newsgroups: comp.sys.tandy Subject: Re: File transfer software for TRS-80 model 100? Message-ID: Date: 14 Dec 90 15:09:07 GMT References: <1990Dec12.123645.16070@ugle.unit.no> Sender: news@interlan.Interlan.COM (No News is BAD News) Reply-To: yetsko@interlan.interlan.com Organization: Racal InterLan, Inc., Boxborough, MA (1-800-LAN-TALK) Lines: 7 In-Reply-To: harald.alvestrand@elab-runit.sintef.no's message of 12 Dec 90 12:36:45 GMT Nntp-Posting-Host: celtic.interlan.com BTW, a lot of communications problems with the 100 are because it is 5-volt only on the RS-232, and some other devices have series resistors to limit RFI and protect from voltage extremes. Either buffer the signal from the 100 to generate true +/- 12v levels, or find another serial port that it work with. Tandy had this problem with their DC-1200 modem and the 100s. Mike Yetsko