SINGLE TOOTH Posted April 7, 2017 Share Posted April 7, 2017 I found a Trak-Ball that is serial number 00249, so I figured it'd be interesting to see what kind of serial numbers are out there. I asked the 5200 facebook group and a bunch of people there gave me the numbers off of their Trak-Balls. Please feel free to post your serial number and any interesting information, like Country of Manufacture and the EP codes. Or, any other code prefixes. Here's the list. https://docs.google.com/spreadsheets/d/1aOaXTLlwIG_rvisCZmIbVjZiZ8-MXtSo0AxY41u3-BU/edit?usp=sharing Quote Link to comment Share on other sites More sharing options...
cleoo Posted January 31, 2022 Share Posted January 31, 2022 1) Serial Number 026749 EP-413. Made in Mexico. I thought EP represented El Paso, Texas? The optocouplers are put on differently on this version. They're slid on, rather than clipped on. 2) Serial Number 00630 EP-193. Made in USA. The 3 prong clipped on optocouplers on this one. Quote Link to comment Share on other sites More sharing options...
thomas3120 Posted February 1, 2022 Share Posted February 1, 2022 (edited) Sorry wrong post Delete Edited February 1, 2022 by thomas3120 Wrong post Quote Link to comment Share on other sites More sharing options...
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