Cabletron Systems 2E48-27R 用户手册
Installing the Device
2E48-27R/2E49-27R User’s Guide
3-3
3.3
INSTALLING THE DEVICE
The 2E4X-27R may be installed on a tabletop, shelf, or in a 19-inch rack.
describes the rackmount installation.
3.3.1
Tabletop or Shelf Installation
The following two subsections provide guidelines for installation on a
tabletop or shelf.
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:
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
power receptacle that meets the power supply requirements listed in
.
•
In a shelf installation, the shelf must support 13.6 kg (30 lb) of static
weight for each 2E4X-27R.
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.
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.
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
of its power source and on an unrestricted free surface area as shown in
. Proceed to
for power connection instructions.
To prevent possible personal injury and/or damage to the unit,
do NOT connect power to the 2E4X-27R until instructed to do
so.
do NOT connect power to the 2E4X-27R 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 2E4X-27R.
minimum clearance space of 5.1 cm (2.0 in) at the left, right,
and rear of the 2E4X-27R.