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Replacing FRUs in a Spare CGR Chassis
Detailed Steps to Replace the Chassis
Step 5. SD Card Replacement.
Discard the SD card that you were previously using. The new SD card ships in the spare chassis
For additional detail about SD Card replacement, see the related section in the CGR 1240 Hardware Installation Guide:
https://www.cisco.com/c/en/us/td/docs/routers/connectedgrid/cgr1000/hardware/cgr1240/installation/sd.html
Step 6. Final Checks
Ensure that all RF cables are tied down per instructions and that no RF cables are on the cover faying surface or draped
across BBU cavity. Power up the chassis and ensure that the device comes up correctly. All LEDs on the module should
show green.
Step 7. Close the Chassis Door
Follow these instructions to ensure the door is properly sealed.
The 6 captive M8 bolts, located at the rim of the front of the router will need to be tightened with a 1/2-inch (13 mm)
socket wrench. Refer to
side first since that can place too much pressure on the door hinges. Instead, tighten the bolts at a torque of 3-4 lbs-ft
based on the sequence in
Ensure that the SD Card plug and Console port plug are installed and torqued to 6-7 in-lbs using a 1/2"(13mm) torque
wrench.
Figure 4
earlier in this document. When closing the door, do not tighten the bolts on the hinge
Figure
14. Evenly tighten the bolts again, in the same order, with a torque of 6-7 lbs-ft.
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