Tech: Serial Link

To: CALC-TI@LISTS.PPP.TI.COM
Subject: Tech: Serial Link
From: Ryan Avery <grommit@concentric.net>
Date: Tue, 14 Oct 1997 18:08:18 -0700
Organization: Concentric Internet Services
Reply-To: grommit@concentric.net
Xref: paladin.american.edu bit.listserv.calc-ti:17797

I am having problems with the serial link that I recently built for my
TI-83.

First of all, I know that all my connections are good, so I know that is
not the problem.

The first test (red to ground and white to ground) while the link was
plugged into the computer passed: .75V on both

When I initilized the link program, however, the values did not change
to 4.7V like they should've. Instead, they remained at .75V.

I thought that this was probably the polarity of my diodes, but when I
unsoldered them and reversed them, the same problem still occured.

Does anyone else have any suggestions about how I should go about fixing
this?
--
+================================================+
| Ryan "Grommit" Avery    grommit@concentric.net |
|  "What Leo wants, Leo gets...Ok ok ok ok..."   |
|  "Shoot for Vectorscan...great shot...offense  |
|   released!"                                   |
|                                                |
+================================================+

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