Technical data

Model name @100 VAC input @200 VAC input @-48 VDC input Minimum
number of
power supplies
Notes
Brocade 7840 4.24 A
422 W
1440 BTU/Hr
2.19 A
423 W
1444 BTU/Hr
N/A 2 x AC 1100 W LR Optics, fans
at nominal
speed, 2 PSUs
Power consumption (maximum configuration)
Model name @100 VAC input @200 VAC input Minimum number
of power supplies
Notes
Brocade 7840 4.56 A
454 W
1550 BTU/hr
2.34 A
452 W
1536 BTU/hr
2 x AC 1100 W SR Optics, fans at
high speed, 2PSUs
Brocade 7840 4.94 A
492 W
1679 BTU/Hr
2.54 A
490 W
1672 BTU/Hr
2 x AC 1100 W LR Optics, fans at
high speed, 2 PSUs
Data port specifications (Ethernet)
Model Port Type Number of
ports
Description
Brocade 7840 40 GbE 2 Compatible with short range (SR) and long range (LR) optical
QSFP+ transceivers
Brocade 7840 10 GbE 16 Compatible with ultra short reach (USR), short reach (SR) and
long reach (LR) optical SFP+ transceivers
Brocade 7840 1 GbE 16 Compatible with -SX, -LX, and -CX(copper) SFP transceivers
Fibre Channel data transmission range specifications
Port speed (Gbps) Cable size
(microns)
Short wavelength
(SWL)
Long wavelength
(LWL)
Extended long
wavelength (ELWL)
2 50 300 m (984 ft) (OM2)
500 m (1,640 ft)
(OM3)
N/A N/A
Brocade 7840 Technical Specifications
50 Brocade 7840 Extension Switch Hardware Reference Manual
53-1003127-02