NJR-T01SDI User Guide198 PrecautionsBefore using NJR-T01SDI, follow the precautions and instructions below.8.1 Attaching Rubber feetFirst, clean the bottom surface of the NJRT01SDI as needed, and then peal the release papers from therubber feet and place them in each of the four corners.8.2 InstallationWhen installing the NJR-T01SDI, please observe the following precautions.・ Do not stack or place one NJR-T01SDI directly on top of another NJR-T01SDI.・ Do not block vent holes. To provide adequate ventilation, maintain sufficient clearances around theNJR-T01SDI (1.2 in. (30 mm) or more).・ Do not install NJR-T01SDI in a closed space.When placing them in an EIA rack-mount unit, prepare ventilating equipment to keep the ambienttemperature at 40°C / 104°F or less. If inadequately vented, the life of parts may be shortened andoperation may be affected.(Exception: Installing to IDK’s rack mounting RM-SF, RM-SH)・ When you do not use an EIA rack-mount unit, maintain adequate clearances (1.2 in. (30 mm) or more) asshown below.Bad exampleGood exampleGood example[Fig. 8.1] Necessary clearancesMaintain adequate clearances (1.2 in. (30 mm) or more) as shown below.