19" 4U sub-racks for 16 x 10 pairs VS Standard modules
19" mounting kit
Installation instructions
Fastening (inch) : 19" Height Units (U) : 4 Rack mounting version : Sub-rack Assembly : empty Dimensions : 177 x 482.6 x 130 mm Material : steel: X5CrNi18-10 (1.4301), 1.25 mm