blades that can be used in the SAN768B-2 chassis along with the power draw for
the cooling fans. All numbers for the blades assume that the blade is fully
populated with optical transceivers, including QSFPs for the core blades and
FC16-64 port blades. You can calculate your power requirements by combining the
power draws for the various blades and fan units in your configuration. While you
may use fewer ports in a given blade, it is always safer to use the power
requirement of a fully populated blade.
Table 26. Power demands per component
Blade or fan
units
Maximum
power draw
(Watts)
Type of
blade
Ports per
blade
Number of
blades
permitted in
chassis
Total ports
per chassis
CP8
40
Control blade NA
2
NA
CR16-8
240
Core blade
16 64-Gbps
QSFP ports
2
32 quad ports
(128 ports)
FC8-32E (8
Gb)
140
Port blade
32 8-Gbps
SFP+
up to 8
256
FC8-48E (8
Gb)
160.4
Port blade
48 8-Gbps
SFP+
up to 8
384
FC8-64 (8 Gb) 126.4
Port blade
64 8-Gbps
SFP+
up to 8
512
FC16-32 (16
Gb)
140
Port blade
32 16-Gbps
SFP+ (can use
8-Gbps SFP+)
up to 8
256
FC16-48 (16
Gb)
160.4
Port blade
48 16-Gbps
SFP+ (can use
8-Gbps SFP+)
up to 8
384
FC16-64
118 (SR
optics)
134 (QSFP
optics @
1.5W)
Port blade
64 16-Gbps
QSFPs
up to 8
512
FCOE10-24
250
Application
blade
24 10-Gbps
SFP+ Fibre
Channel over
Ethernet
up to 1 (slot 1
only)
24
FS8-18
235
Encryption
blade
16 8-Gbps
SFP+
up to 4
64
FX8-24
250
Extension
blade
12 8-Gbps
SFP+
10 1-Gbps
Ethernet
2 10-Gbps
Ethernet
up to 4
48 8 Gbps 40
1-Gbps
Ethernet
8 10-Gbps
Ethernet
Fan unit
90
NA
NA
3 fans per
chassis
NA
Power supply redundancy is key to your installation, so any demand must be met
with twice the capacity. Refer to Table 27 on page 152 for power supply
requirements for specific demand ranges.
Appendix A. Product specifications
151
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