Cisco Nexus 7710 - Migrating from Gen 1 Fan Trays (N77-C7710-FAN) to Gen 2 Fan Trays (N77-C7710-FAN-2)

b) Carefully press the whole fan tray into the slot so that the four alignment pins go into their holes in the chassis and
the electrical connectors at the bottom of the chassis are inserted into the chassis connectors inside the slot. Make
sure that the front of the fan tray is touching the outer surface of the chassis and that the four captive screws on the
fan tray are aligned to four screw holes in the chassis.
Figure 24: Installing a Fan Tray
Press the whole fan tray into the chassis slot.2Align the four pins in the fan tray with four holes
in the chassis.
1
c) Screw in each of the four captive screws to secure the fan tray to the chassis and tighten them to 8 in-lb (0.9 N·m)
of torque.
Step 3 Verify that the fan tray is functioning by making sure that its Status LED is green.
For more information about the fan tray LEDs, see the I/O Module LEDs, on page 194 topic.
Migrating from Gen 1 Fan Trays (N77-C7710-FAN) to Gen 2 Fan
Trays (N77-C7710-FAN-2)
Perform the steps given below to replace all the three Gen 1 fan trays in a switch with Gen 2 fan trays:
1. Put the switch in fan tray maintenance mode by using the hardware fan-tray maintenance-mode [long
| medium | short] command.
2. Remove the left-most Gen 1 fan tray, FAN TRAY 1 (N77-C7710-FAN), from the switch.
3. Insert the Gen 2 fan tray (N77-C7710-FAN-2) into the empty fan tray slot.
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
OL-30452-01.120
Installing or Replacing Modules, Fan Trays, and Power Supplies
Migrating from Gen 1 Fan Trays (N77-C7710-FAN) to Gen 2 Fan Trays (N77-C7710-FAN-2)