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Installing the Device
Installation 3-3
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:
• Locate the 2H253-25R within seven feet of an appropriately grounded power receptacle that
meets 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
2H253-25R.
• Maintain a temperature of between 5°C (41°F) and 40°C (104°F) at the 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 the device to provide adequate
ventilation.
Installation
For a tabletop or shelf installation, locate the 2H253-25R 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.
!
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 2H253-25R.