MSD-72 Series User’s Guide227 PrecautionsBefore connecting to external devices, follow the precautions below.7.1 InstallationWhen installing the MSD, please observe the following precautions.● Do not place the MSD on top of another MSD.● Do not block vent holes. Please secure the space above ambient 30 mm/1.18 inches.● Do not install the MSD to an enclosed space. When the MSD needs to be installed to EIA rack mountor an enclosed space, please prepare ventilating equipment to keep the ambient temperature at 40degrees C/104 degrees F or less. If inadequately vented, the life of parts may be shortened andoperations may be affected.■ Attaching rack mounting brackets1. Remove four M5 screws from one side of the unit. Retain these screws for step 2.2. Attach one bracket to the side of the unit using the screws removed in step 1.3. Repeat steps 1 and 2 on the other side of the unit.[Table 7.1] Attaching rack mounting bracketsRack size EIA rack 2U EIA rack 3UInstallationModelnumberMSD-7201UHD, MSD-7201UHDTBMSD-7202UHD, MSD-7202UHDTBMSD-7203UHD, MSD-7203UHDTBMSD-7204UHD, MSD-7204UHDTBNote:The standard screw tightening torque is 2.94 N･m (about 30 kgf･cm).
