Installation unit for two data technology modules type C, suitable for installation in Rapid 80 device installation duct systems and ISS installation columns. Data technology carrier type C is suitable for the following data connection modules: BTR (Keystone design): Cat.6A module and UAE module Corning: Modules with Keystone holder CobiNet: CobiDat KS module Dätwyler: KS-T, KS-TS, MS-K and KU-T EKU: E-Stone Harting: Prelink Keystone Cat.6A, Fixlink Keystone Cat.6A Komos: KDM 500 module Leoni Kerpen: MegaLine Keystone Cat.6A OBO: Type ASM-C6A and ASM-C6A G R&M: Cat.6A with Keystone fastening Rutenbeck: UM and UMflex SETEC: UKJ and XKJ Telegärtner: AMJ and UMJ.