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Installing the Device
Installation 3-3
3.3 INSTALLING THE DEVICE
The 2E253-49R may be installed on a tabletop, shelf, or in a 19-inch rack. Section 3.3.1 describes
a tabletop or shelf installation and Section 3.3.2 describes the rackmount installation.
3.3.1 Tabletop or Shelf Installation
The following two subsections provide guidelines for installation on a tabletop or shelf.
Guidelines for Tabletop and Shelf Installations
Tabletop and shelf installations must be within reach of the network cabling and meet the
requirements listed below:
• The 2E253-49R must be located within seven feet of two grounded power receptacles that meet
the power supply requirements listed in Appendix A.
• In a shelf installation, the shelf must support 13.5 kg (30 lb) of static weight for each
2E253-49R.
• The temperature at the installation site must be maintained between 5°C (41°F) and 40°C
(104°F) with fluctuations of less than 10°C (18°F) per hour.
• A clearance of 2 inches must be maintained from the left, right, and rear sides of the device to
provide adequate ventilation.
Installation
For a tabletop or shelf installation, locate the 2E253-49R within seven feet of its power source and
on an unrestricted free surface area as shown in Figure 3-1. Proceed to Section 3.3.3 for power
connection instructions.
To prevent possible personal injury and/or damage to the unit, do NOT connect power to
the 2E253-49R until instructed to do so.
!
CAUTION
To ensure proper ventilation and prevent overheating, leave a minimum clearance space
of 5.1 cm (2.0 in) at the left, right, and rear of the 2E253-49R, as shown in Figure 3-1.