Reference Guide

Brocade 6520 Hardware Reference Manual 7
53-1002705-01
Installation and safety considerations
2
Table 2, Table 3, and Table 4 illustrate the power consumption of the switch as measured at idle,
maximum, and typical states respectively.
TABLE 1 Power supply specifications
Specification Value
Input voltage Range: 90-264 VAC Auto-volt, Nominal: 100-240 VAC, ~12.0A - 5.0A;
switch autosenses input voltage.
Start-up: 80-87 VAC, Turn-off: 85-75 VAC
Input frequency Range: 47-63 Hz; Nominal: 50-60 Hz.
Inrush current Limited to 40A peak @ 240 VAC during cold start-up at 25ºC ambient
Input line protection Both AC lines are fused.
Maximum power supply output (each) 1080 watts @ 12V DC
TABLE 2 Power consumption - idle
IDLE, no Optics, C3 not initialzed, Fan Speed normal(3030RPM),Room Temp
AC Voltage Input Current (Amp) Input Watts
1 PSU
Power Factor
BTU's/hr
1 PSU
Input Watts
2 PSU's
BTU's/hr
2PSU
1 PSU 2 PSU AC Measured 1 PSU 2 PSU AC Measured
100 VAC 1.78 1.85 179 0.998 0.993 610.94132 183 624.59364
120 VAC 1.49 1.59 178 0.996 0.968 607.52824 183 624.1764
200 VAC 0.92 1.08 174 0.949 0.847 593.87592 182 620.7656
240 VAC 0.79 1.04 174 0.917 0.739 593.87592 181 617.3548
TABLE 3 Power consumption - maximum
MAX: All ports configured with ELOAD, Traffic Running (mode 11), Fan Speed Max (8190 RPM),Room Temp
AC Voltage Input Current (Amp) Input Watts
1 PSU
Power Factor
BTU's/hr
1 PSU
Input Watts
2 PSU's
BTU's/hr
2PSU
1 PSU 2 PSU AC Measured 1 PSU 2 PSU AC Measured
100 VAC 4.67 4.67 464 0.995 0.995 1582.6112 464 1582.6112
120 VAC 3.86 3.87 462 0.997 0.997 1575.7896 463 1579.2004
200 VAC 2.28 2.34 455 0.998 0.977 1551.914 457 1558.7356
240 VAC 1.92 1.99 453 0.998 0.953 1545.0924 456 1555.3248
TABLE 4 Power consumption - typical
Typical: All ports configured with 16G Avago optics, Traffic Running (mode 11), Fan Speed Nominal(3030 RPM), Room Temp
AC Voltage Input Current (Amp) Input Watts
1 PSU
Power Factor
BTU's/hr
1 PSU
Input Watts
2 PSU's
BTU's/hr
2PSU
1 PSU 2 PSU AC Measured 1 PSU 2 PSU AC Measured
100 VAC 3.96 3.97 394 0.998 0.996 1343.8552 395 1347.266
120 VAC 3.26 3.29 391 0.997 0.995 1333.6228 394 1343.8552
200 VAC 1.94 2.02 387 0.997 0.963 1319.9796 390 1330.212
240 VAC 1.74 1.62 385 0.989 0.929 1313.158 388 1323.3904