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Installing or Replacing a Fabric Module
fantray for 69 seconds
2017 Apr 3 17:26:51 SWITCH %PLATFORM-0-FAN_MISMATCH_TIME: Mismatch of Fan modules. Both
Gen1 and Gen2 fans are present in the
fantray for 79 seconds
2017 Apr 3 17:27:01 SWITCH %PLATFORM-0-FAN_MISMATCH_TIME: Mismatch of Fan modules. Both
Gen1 and Gen2 fans are present in the
fantray for 89 seconds
2017 Apr 3 17:27:11 SWITCH %PLATFORM-0-FAN_MISMATCH_TIME: Mismatch of Fan modules. Both
Gen1 and Gen2 fans are present in the
fantray for 99 seconds
2017 Apr 3 17:27:17 SWITCH %PLATFORM-2-FAN_REMOVED: Fan module 3(Serial number DCH1910A06N)
Fan3(sys_fan3) removed
2017 Apr 3 17:27:17 SWITCH %PLATFORM-6-PFM_INFO: Fan Zone 1 : Fan Speed will change from
80.00(0xcc) to 100.00(0xff)
2017 Apr 3 17:27:36 SWITCH %PLATFORM-5-FAN_DETECT: Fan module 3(Serial number NCV2108V01K)
Fan3(sys_fan3) detected
2017 Apr 3 17:27:36 SWITCH %PLATFORM-5-FAN_STATUS: Fan module 3(Serial number NCV2108V01K)
Fan3(sys_fan3) current-status is F
AN_OK
2017 Apr 3 17:27:36 SWITCH %PLATFORM-2-FANMOD_FAN_OK: Fan module 3(Fan3(sys_fan3) fan) ok
2017 Apr 3 17:27:36 SWITCH %PLATFORM-6-PFM_INFO: Fan Zone 1 : Fan Speed will change from
100.00(0xff) to 45.88(0x75)
Installing or Replacing a Fabric Module
The fabric modules are located as follows behind the fan trays on the back side of the chassis:
• Fabric slots 1 and 2 are behind fan tray slot 1
• Fabric slots 3 and 4 are behind fan tray slot 2
• Fabric slots 5 and 6 are behind fan tray slot 3
When the fan trays are installed, they display the LED states for the fabric modules installed behind them.
You can install a fabric module during operations so long as there is at least one other fabric module installed
and functioning in the chassis. To install or replace a fabric module, you must first remove the fan tray that
is in front of the fabric module. If the chassis has fewer than six fabric modules, leave the empty slots
unfilled—the fan tray that you place outside the fabric modules maintains the designed airflow for the chassis.
Before you begin
• The chassis must be grounded.
• You must be wearing wearing an ESD wrist strap (or other ESD prevention device) that is connected to
• Starting from Cisco NX-OS Release 7.2(0)D1(1), put the switch in fan tray maintenance mode to prepare
Step 1
Remove the fan tray that covers the fabric module that you are replacing by following these steps:
a) Loosen four captive screws on the fan tray until they are loose and are no longer connected to the chassis.
b) Grab both handles with both of your hands and pull the bottom of the fan tray out so that its connectors disconnect
from the chassis (see the following figure).
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
122
the ESD port on the grounded chassis.
the switch for fan tray removal.
Installing or Replacing Modules, Fan Trays, and Power Supplies
OL-30452-01.
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