Table 67: EX4400 Environmental Tolerances
Altude Relave Humidity Temperature Seismic
No performance
degradaon up to
6000 feet at
104° F
(1828.8 meters at
40° C)
Normal operaon
ensured in relave
humidity range of
5% through 90%,
noncondensing
• Normal operaon ensured in temperature
range of 32° F through 113° F (0° C through
45° C)
• Nonoperang storage temperature in
shipping container: –40° F through 158° F (–
40° C through 70° C)
Tested for Zone 4
earthquake
according to
NEBS GR-63-
CORE, Issue 5.
NOTE
: Install the EX4400 only in restricted-access areas, such as dedicated equipment rooms
and equipment closets, in accordance with Arcles 110-16, 110-17, and 110-18 of the Naonal
Electrical Code, ANSI/NFPA 70. Only skilled and instructed persons must access the device.
General Site Guidelines
Ecient device operaon requires proper site planning and maintenance. It also requires proper layout
of the equipment, rack or cabinet, and wiring closet.
To plan and create an acceptable operang environment for your device and prevent environmentally
caused equipment failures:
• Keep the area around the chassis free from dust and conducve material, such as metal akes.
• Follow the prescribed airow guidelines to ensure that the cooling system funcons properly. Ensure
that exhaust from other equipment does not blow into the intake vents of the device.
• Follow the prescribed electrostac discharge (ESD) prevenon procedures to prevent damaging the
equipment. Stac discharge can cause components to fail completely or intermiently over me.
• Install the device in a secure area, so that only authorized personnel can access the device.
119