Power supply specications (per PSU)
Power supply
model
Maximum output
power rating (DC)
Input voltage Input line
frequency
Maximum input
current
Input line
protection
Maximum inrush
current
AC to DC - VDX
6740
XBR-250WPSAC-
F
Or
XBR-250WPSAC-
R
250 W 100 - 240 VAC
(nominal)
90 - 264 VAC
(range)
50/60 Hz
(nominal)
47 - 63 Hz (range)
3.5 A Line Fused 50 A peak @ 240
VAC at cold start
for < 10 ms, 15 A
peak for cycles 10
ms - 150 ms, <
3.5 A peak for >
150 ms
AC to DC - VDX
6740T
XBR-500WPSAC-
F
Or
XBR-500WPSAC-
R
504 W 100 - 240 VAC
(nominal)
90 - 264 VAC
(range)
50/60 Hz
(nominal)
47 - 63 Hz (range)
6 A @ 100 VAC
7 A @ 85 VAC
Line Fused 30 A peak at cold
start & 50 A peak
at warm start for <
10 ms, 10 A peak
for cycles 10 ms -
150 ms, < 7 A
peak for >150 ms
DC to DC - VDX
6740
XBR-250WPSDC
-F
Or
XBR-250WPSDC
-R
250 W 48Vdc (nominal)
40-60Vdc (range)
40-60Vdc with +
or - zero percent
tolerance
N/A 7.1 A -Ve and return
fused
50 A peak for any
initial current surge,
or spike of 10ms
or less
DC to DC - VDX
6740T
RP59DC+E
Or
RP59DC+I
504 W 48Vdc (nominal)
40Vdc-60Vdc
(range)
N/A 15 A -Ve Fused 25 A peak @ 25°C
Power consumption VDX 6740 and VDX 6740T (idle conguration)
No optics or connections to ports and system booted up. Fans at nominal speed.
Model @ 100 VAC input @ 200 VAC input @-48 VDC Input Maximum number of
power supplies
Notes
VDX 6740 0.842 A
91 W
310.59 BTU/hr
0.473 A
96 W
317.42 BTU/hr
1.5 A
77 W
262.94 BTU/hr
1 Input current is for 1
PSU, Watts & BTUs/hr
are for two PSUs.
VDX 6740T 2.049 A
225 W
767.94 BTU/hr
1.05 A
219 W
747.46 BTU/hr
4.12 A
208 W
711.46 BTU/hr
1 Input current is for 1
PSU, Watts & BTUs/hr
are for two PSUs.
ExtremeSwitching VDX 6740 Switch Technical Specications
ExtremeSwitching VDX 6740 Hardware Installation Guide
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