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Hardware Overview 13
Table 1-3 describes the LED status of a 40GbE QSFP+ port that is split into
four 10GbE SFP+ ports using a
4x10G breakout cable
.
Installation
Site Preparation
Before installing the switch or switches, make sure that the chosen
installation location meets the following site requirements:
• Clearance — There is adequate front and rear clearance for operator
access. Allow clearance for cabling, power connections, and ventilation.
• Cabling — The cabling is routed to avoid sources of electrical noise such
as radio transmitters, broadcast amplifiers, power lines, and fluorescent
lighting fixtures.
• Ambient Temperature — The ambient switch operating temperature
range is 10° to 35ºC (50° to 95ºF).
NOTE: Decrease the maximum temperature by 1°C (1.8°F) per 300 m (985 ft.)
above 900 m (2955 ft.).
• Relative Humidity — The operating relative humidity is 8% to 85%
(non-condensing) with a maximum humidity gradation of 10% per hour.
Table 1-3. LED Status of a 40GbE QSFP+ Port with Breakout
Cable
Port LED Color Meaning
Link Status
Off All four 10GbE ports on a breakout cable are down.
Yellow At least one of the four 10GbE ports on a breakout
cable is up.
Activity
Off No traffic is being transmitted on any 10GbE port on
the breakout cable.
Blinking
Green
Traffic is being transmitted or received on at least one
of the 10GbE ports on the breakout cable.