Installation manual 2N® IP Verso 2.0 ... 2. Description and Installation 2.2 Mechanical Installation 2.2.5 Module Dimensions Frames9155011 – Flush mounting frame, 1 module9155012 – Flush mounting frame, 2 modules9155013 – Flush mounting frame, 3 modules9155021 – Surface mounting frame, 1 module9155022 – Surface mounting frame, 2 modules9155023 – Surface mounting frame, 3 modulesBackplates9155061 – 1 module9155062 – 2 modules9155063 – 3 modules9155064 – 2x2 modules9155065 – 3x2 modules9155066 – 2x3 modules9155067 – 3x3 modules