The 19˝ racks of the series RAC and RAC-T (with plexiglass door) presented in this section have been developed in cooperation with one of the most renowned manufacturers especially for the use with audio systems.They comply with international standards, namely DIN 41494, IEC 297-1 (dimensions) and IEC-529 (IP rating of IP 40) and feature high-quality design and finish as well as excellent stability, thus meeting the latest standards of manufacture. For example, the rackrails have ASA hole pattern.