•
Maintain ambient airflow for normal router operation. If the airflow is blocked or restricted, or if the
intake air is too warm, the router might overheat, leading to the router temperature monitor shutting
down the device to protect the hardware components.
Table 30 on page 68 provides the required environmental conditions for normal router operation.
Table 30: ACX5400 Router Environmental Tolerances
ToleranceDescription
No performance degradation to 6,000 feet (1,829 meters)Altitude
Normal operation ensured in relative humidity range of 5% through 90%,
noncondensing
•
Short-term operation ensured in relative humidity range of 5% through
93%, noncondensing
NOTE: As defined in NEBS GR-63-CORE, short-term events can be up
to 96 hours in duration but not more than 15 days per year.
Relative humidity
•
Normal operation ensured in temperature range of 32° F through 104° F
(0° C through 40° C)
•
Non-operating storage temperature in shipping container: –40° F through
158° F (–40° C through 70° C)
Temperature
Complies with Zone 4 earthquake requirements according to NEBS
GR-63-CORE.
Seismic
NOTE: Install ACX Series devices only in restricted-access areas, such as dedicated equipment
rooms and equipment closets, in accordance with Articles 110-16, 110-17, and 110-18 of the
National Electrical Code, ANSI/NFPA 70.
ACX5400 Grounding Cable and Lug Specifications
For installations that require a separate grounding conductor to the chassis, you must ground the router
properly before connecting power to ensure proper operation and to meet safety and electromagnetic
interference (EMI) requirements. To ground an ACX5400 router, connect a grounding cable to earth ground
and then attach it to the chassis grounding points.
68
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