Planning for Power Requirements
When you know the amount of power that is required for operations (available power) and redundancy (reserve
power), you can plan for the required number of input power receptacles with reach of the switch location.
Step 1
Determine the power requirement for the switch by summing the maximum wattage for each installed module (see the
following table).
Table 1: Power Requirements for the Cisco Nexus 7710 Switch Modules
Component
Supervisor Modules
Supervisor 2 Enhanced (N77-SUP2E)
Supervisor 3 Enhanced (N77-SUP3E)
F2 I/O Modules
48-port 1- and 10-Gigabit Ethernet I/O module
(N77-F248XP-23E)
F3 I/O Modules
48-port 1- and 10-Gigabit Ethernet I/O module
(N77-F348XP-23)
24-port 40-Gigabit Ethernet I/O module
(N77-F324FQ-25)
12-port 100-Gigabit Ethernet I/O module
(N77-F312CK-26)
F4 I/O Modules
30-port 100-Gigabit Ethernet I/O module
(N77-F430CQ-36)
M3 I/O Modules
48-port 1- and 10-Gigabit Ethernet I/O module
(N77-M348XP-23L)
24-port 40-Gigabit Ethernet I/O module
(N77-M324FQ-25L)
12-port 100-Gigabit Ethernet I/O module
(N77-M312CQ-26L)
Fabric Modules (N77-C7710-FAB-2)
Fabric Modules (N77-C7710-FAB-3)
Fan Trays
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
10
Quantity
Maximum
1 or 2 (same type if
—
using 2)
265 W
150 W
1 to 8 (can mix
—
types)
500 W
—
480 W
740 W
730 W
—
1000 W
—
560 W
750 W
1095 W
3 to 6
150 W
3 to 6
150 W
—
—
Preparing the Site
Typical
—
137 W
110 W
—
451 W
—
450 W
650 W
640 W
—
730 W
—
500 W
700 W
800 W
122 W
120 W
—
OL-30452-01.