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Power supply specifications (per PSU)
Power supply
Maximum output
model
power rating (DC)
XBR-1100WPSA
1100 W
C-R
Power consumption (typical configuration)
The Brocade 7840 Extension Switch does not support a DC power supply.
Model name
@100 VAC input
Brocade 7840
3.90 A
388 W
1524 BTU/hr
Brocade 7840
4.24 A
422 W
1440 BTU/Hr
Power consumption (maximum configuration)
The Brocade 7840 Extension Switch does not support a -48 VDC power supply or a DC power supply.
Model name
Brocade 7840
Brocade 7840
Data port specifications (Ethernet)
Model
Port Type
Brocade 7840
40 GbE
10 GbE
1 GbE
Brocade 7840 Extension Switch Hardware Installation Guide
53-1003127-10
Input voltage
100 - 240 V
(nominal)
90 - 264 V (range)
@200 VAC input
1.98 A
383 W
1307 BTU/hr
2.19 A
423 W
1444 BTU/Hr
@100 VAC input
4.56 A
454 W
1550 BTU/hr
4.94 A
492 W
1679 BTU/Hr
Number of ports
2
16
16
Input line
Maximum input
frequency
current
50 - 60 Hz
12-5 A
(nominal)
@-48 VDC input
N/A
N/A
@200 VAC input
2.34 A
452 W
1536 BTU/hr
2.54 A
490 W
1672 BTU/Hr
Description
Compatible with short range (SR) and long range (LR) optical QSFP+ transceivers
Compatible with ultra short reach (USR), short reach (SR), and long reach (LR) optical
SFP+ transceivers
Compatible with -SX, -LX, and -CX (copper) SFP transceivers
Input line
protection
Line Fused
Minimum number of
power supplies
2 x AC 1100 W
2 x AC 1100 W
Minimum number of power
supplies
2 x AC 1100 W
2 x AC 1100 W
Data port specifications (Ethernet)
Maximum inrush
current
40 A peak for any
initial current surge
at cold or warm
start
Notes
SR optics, fans at
nominal speed, 2
PSUs
LR optics, fans at
nominal speed, 2
PSUs
Notes
SR optics, fans at high
speed, 2 PSUs
LR optics, fans at high
speed, 2 PSUs
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