A Specifications
This appendix provides switch specifications.
Physical specifications
Table 7 Physical specifications
Value
Dimension
1U or 4.3 cm (1.7 in)
Height
44.3 cm (17.4 in)
Depth (without plenum)
43.8 cm (17.2 in)
Width (The slightly increased width requires a slim rail
rack mount kit for mounting.)
9.2 kg (20.2 lb)
Weight (with two power supply and fan assemblies, and
no SFPs installed)
Facility requirements
Table 8 Facility requirements
Value
Dimension
Electrical
•
Adequate supply circuit, line fusing, and wire size, as specified by the electrical
rating on the switch nameplate
•
Circuit protected by a circuit breaker and grounded in accordance with local
electrical codes
See
Table 9 (page 39)
for complete power supply specifications.
Thermal
•
Minimum airflow of 79.8 cubic m/hr (47 cubic ft/min) available in the
immediate vicinity of the switch
•
Ambient air temperature not exceeding 40°C (104°F) while the switch is
operating
Cabinet (rack mounted)
•
1U in a 48.3 cm (19 in) cabinet
Use rack kits designed for the extra
width of the switch to mount in
standard cabinets/racks.
•
All equipment in cabinet grounded through a reliable branch circuit connection
•
Plenum installed to prevent overheating
•
Additional weight of switch not to exceed the cabinet’s weight limits
•
Cabinet secured to ensure stability in case of unexpected movement
Power supply specifications
The power supplies are universal and operate worldwide without voltage jumpers or switches.
They meet IEC 61000-4-5 surge voltage requirements and support autoranging to accommodate
input voltages and line frequencies. Each power supply has built-in fans for cooling.
Table 9 Power supply specifications
Values
Specification
Range: 85–264 VAC Auto-volt, Nominal: 100–240 VAC, 2.0 A, 47–63
Hz; switch autosenses input voltage
Input voltage
Range: 47–63 Hz; Nominal: 50–60 Hz
Input frequency
Maximum of 50 A peak at 240 VAC for any initial current surge or spike of
10 ms or less at cold start up. Additional inrush current surges or spikes in
Inrush current
Physical specifications
39
Summary of Contents for SN6000B
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