The archives of  reduced spectra secured by the Ondrejov 2m telescope are  prepared to be compatible  with VO protocols and infrastructure to be consumable  by modern VO aplications for spectra analysis  like SPLAT, VOSpec and Specview.The underlying technology is Pleinpot engine developed by P. Prugniel in CRAL (Lyon) (old interface) and DaCHS written by Markus Demleitner from Heidelberg University Astronomical Data Center