Power Supply Specifications - Brocade Communications Systems Brocade VDX 6740 Hardware Reference Manual

Power supply specifications

The power supplies are universal and capable of functioning worldwide without voltage jumpers or
switches. They meet IEC 61000-4-5 surge voltage requirements and are autoranging in terms of
accommodating input voltages and line frequencies.
Table 12
TABLE 12
Specification
Input voltage
Input frequency
Inrush current
Input line protection
Maximum power supply output
(each)
Table
draw.
TABLE 13
MAX: Brocade VDX 6740 All ports configured with ELOAD, Traffic Running (mode 11), Fan Speed Max (8190 RPM), Room
Temp
AC voltage
100 VAC
120 VAC
200 VAC
240 VAC
TABLE 14
MAX: Brocade VDX 6740T All ports configured with ELOAD, Traffic Running (mode 11), Fan Speed Max (8190 RPM), Room
Temp
AC voltage
100 VAC
120 VAC
200 VAC
240 VAC
Brocade VDX 6740 Hardware Reference Manual
53_1002829_02
lists the power supply specifications for the Brocade VDX 6740 switches.

Power supply specifications

Value
Range: 90-264 VAC Auto-volt, Nominal: 100-240 VAC, (VDX 6740-3.5A max,
VDX 6740T and VDX 6740T-1G 6.0A max); switch autosenses input voltage
Start-up: 80-87 VAC, Turn-off: 85-75 VAC
Range: 47-63 Hz; Nominal: 50-60 Hz
Brocade VDX 6740 (250 W power supply) - Limited to 50 A peak @ 240 VAC
during cold startup at 25ºC ambient
Brocade VDX 6740T (500 W power supply) - Limited to 30 A peak @ 240 VAC
during cold startup at 25ºC ambient
Both AC lines are fused.
250 watts @ 12V DC - Brocade VDX 6740
500 watts @ 12V DC - Brocade VDX 6740T
13, and Table 14 illustrate the power consumption of the switch as measured at maximum
VDX 6740 power consumption - maximum
Input current Input watts
(Amp) 1 PSU 1 PSU
AC measured
1.65 165.00
1.37 165.40
0.85 164.00
0.75 164.00
VDX 6740T and VDX 6740T-1G power consumption - maximum
Input current Input watts
(Amp) 1 PSU 1 PSU
AC measured
4.90 488.00
4.53 482.00
2.44 474.00
2.05 473.00
Power supply specifications
BTU/hr Input watts
1 PSU 2 PSUs
AC measured
563.16 170.00
564.52 170.27
559.75 168.45
559.75 168.00
BTU/hr Input watts
1 PSU 2 PSUs
AC measured
1665.58 490.00
1645.10 486.00
1617.80 480.00
1614.39 479.00
A
BTU/hr
2 PSUs
580.22
581.15
574.93
573.40
BTU/hr
2 PSUs
1672.41
1658.76
1638.28
1634.87
47