Table 2: Environmental specifications
Operating Temperature 0° and 50° C (32° and 106° F)
Storage Temperature –40°C to 85°C (-40°F to 185°F)
Operating Humidity 0 to 95 percent non-condensing
Storage Humidity 0 to 95 percent non-condensing
Maximum Operating Altitude 3,048 m (10,000 feet) above sea level
Storage Altitude 0 to 12,192 m (0 to 40,000 feet) above sea level
Acoustic Noise At 25°C Ambient Temperature, less than 48 dBA
typical, at 50°C, less than 61 dBA.
Miscellaneous Operating Considerations • No nearby heat sources such as hot air vents or
direct sunlight
• No nearby sources of severe electromagnetic
noise
• No excessive dust
• Adequate power source within six feet; one circuit
required for each power supply (see table, AC
power specifications)
• At least 2 inches (5.08 cm) on each side of the
switch unit for ventilation
• Cables should be dressed to prevent blocking air
flow.
Power specifications
This section provides the following power specifications for the switch:
• AC power specifications on page 17
• Typical power consumption on page 18
• PoE+ specifications on page 19
The following table describes the AC power specifications.
Table 3: AC power specifications
Model Number of
Power
supplies
Power supply Input power
(margined by 10%)
Thermal
rating
(BTUs/hr
maximum)
Rated Line voltage Watts
(Total)
Amps
ERS 4950GTS 1 250 W 200–240 VAC 53.14 0.30 181.31
Table continues…
Technical specifications
February 2016 Installing Avaya Ethernet Routing Switch 4900 Series 17
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