Installing The Device; Tabletop Or Shelf Installation - Cabletron Systems 2E48-27R User Manual

3.3

INSTALLING THE DEVICE

The 2E4X-27R may be installed on a tabletop, shelf, or in a 19-inch rack.
Section 3.3.1 describes a tabletop or shelf installation and
describes the rackmount installation.
To prevent possible personal injury and/or damage to the unit,
do NOT connect power to the 2E4X-27R until instructed to do
so.
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 2E4X-27R 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 13.6 kg (30 lb) of static
weight for each 2E4X-27R.
• 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 2E4X-27R within seven feet
of its power source and on an unrestricted free surface area as shown in
Figure 3-1. Proceed to
To ensure proper ventilation and prevent overheating, leave a
!
minimum clearance space of 5.1 cm (2.0 in) at the left, right,
CAUTION
and rear of the 2E4X-27R.
2E48-27R/2E49-27R User's Guide
Section 3.3.3 for power connection instructions.
Installing the Device
Section 3.3.2
3-3