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Environmental requirements
Table 25
lists the environmental operating ranges for the DC Director. The requirements for non-operating
conditions are also provided for acceptable storage and transportation environments.
Table 25
Environmental requirements
Condition
Ambient temperature
Humidity
Altitude
Shock
Vibration
Air flow
Heat dissipation
NOTE:
The 10° to 40° Celsius range applies to the ambient air temperature at the air intake vents on the
nonport side of the DC Director.
The temperature inside the DC Director can be up to 75° Celsius during operation. If the internal
temperature range exceeds the operating ranges of the components, the LEDs, error messages, and Fabric
Watch alerts will indicate a problem. Use the tempShow command or Fabric Watch commands to view
temperature status.
Fibre Channel port specifications
The Fibre Channel ports in the DC Director support full duplex link speeds at 10.51875, 8.50, 4.25, 2.125,
or 1.0625 Gbps inbound and outbound, automatically negotiating to the highest common speed of all
devices connected to the port.
The ports are compatible with optical SWL (short wavelength: approximately 850 nm), optical LWL (long
wavelength: approximately 1310 nm), and Extended Long Wavelength (ELWL) laser transmitter SFPs and
XFPs (FC10-6 only) (approximately 1550 nm). The strength of the signal is determined by the type of SFP or
XFP in use.
The ports are universal and self-configuring, capable of becoming F_Ports (fabric ports), FL_Ports (fabric
loop enabled), or E_Ports (expansion ports).
The ports meet all required safety standards. For a listing of these standards, see
and safety
notices" on page 127.
Acceptable range during operation Acceptable range during
10× to 40× C outside switch
(50× to 104× F)
20% to 85% RH noncondensing, at
40× Celsius, with maximum gradient of
10% per hour
Up to 3 km (10,000 ft.)
above sea level
20G, 1 1ms duration, half-sine wave
1G p-p, 5-500 Hz at 1.0
octave/minute
350 cu ft/min.
(0.00059 cu m/hr)
1440 Watts or 4914 BTU
(Eight FC8-48 blades and two CP8
blades)
non-operation
-40× to +70× C outside switch
(-40× to 158× F)
10% to 93% RH noncondensing, at
70° Celsius
0 to 12 km (40,000 ft.)
above sea level
33G, 1 1ms duration, half-sine wave
2.4G p-p, 5-500 Hz at 1.0
octave/minute
None required.
Not applicable.
DC SAN Backbone Director hardware reference guide 107
"Regulatory compliance
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