Installing the 2E43-512E43-51/2E43-51R User’s Guide3-3If the 2E43-51 is to be installed with an optional Fast Ethernet InterfaceModule, refer to Appendix C for installation instructions. The installationinstructions for the HSIMs are in the associated HSIM user’s guide.3.4 INSTALLING THE 2E43-51The 2E43-51 may be installed on a tabletop, shelf, or in a 19-inch rack.Section 3.4.1 describes a tabletop or shelf installation, and Section 3.4.2describes the rackmount installation.3.4.1 Tabletop or Shelf InstallationThe following two subsections provide guidelines for installation on atabletop or shelf.Guidelines for Tabletop and Shelf InstallationsTabletop and shelf installations must be within reach of the networkcabling and meet the requirements listed below:• Locate the 2E43-51 within seven feet of an appropriately groundedpower receptacle that meets the power supply requirements listed inAppendix A.• In a shelf installation, the shelf must support 13.6 kg (30 lb) of staticweight for each 2E43-51.• Maintain a temperature of between 5°C (41°F) and 40°C (104°F) atthe installation site with fluctuations of less than 10°C (18°F) per hour.• Maintain a 2-inch clearance from the left, right, and rear sides of thedevice to provide adequate ventilation.InstallationFor a tabletop or shelf installation, locate the 2E43-51 within seven feet ofits power source and with an unrestricted free surface area as shown inFigure 3-1. Proceed to Section 3.4.3 for power connection instructions.To prevent possible personal injury and/or damage to the unit,do NOT connect power to the 2E43-51 until instructed to do so.!CAUTIONTo ensure proper ventilation and prevent overheating, leave aminimum clearance space of 5.1 cm (2.0 in) at the left, right,and rear of the 2E43-51.