Mounting plate with two holes 20.10 x 14.80 mm, for installation in System 55 device inserts with MT45V. For accommodating two connection sockets of the data technology types AMP TYCO: Standard 110Connect, SL Series 110Connect and Toolless, AMP-Twist Brand-Rex: unshielded module GG45 TKM RJ MOD Nexans: LANmark module with adapter clip Siemon CAT6 3M K6 and K10.