CHAPTER 13
Maintaining M7i Router Hardware
Components
This chapter describes how to maintain hardware components installed in the router.
For information about returning a part to Juniper Networks for repair or replacement, see
“Contacting Customer Support and Returning M7i Hardware” on page 187.
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Routine Maintenance Procedures for the M7i Router on page 69
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Maintaining the M7i CFEB and CFEB-E on page 69
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Maintaining the M7i FIC and FIC Cables and PICs and PIC Cables on page 70
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Maintaining the M7i Routing Engine on page 72
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Maintaining the M7i Power Supplies on page 72
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Maintaining the M7i Cooling System on page 74
Routine Maintenance Procedures for the M7i Router
Purpose
For optimum router performance, perform preventive maintenance procedures.
Action
Inspect the installation site for moisture, loose wires or cables, and excessive dust.
Make sure that airflow is unobstructed around the router and into the air intake vents.
•
•
Check the status-reporting devices on the craft interface—System alarms and LEDs.
Related
Documentation
M7i Router Environmental Specifications on page 161
•
•
M7i Router Physical Specifications on page 159
•
Packing the M7i Router for Shipment on page 193
•
Overview of Troubleshooting Resources for the M7i Router on page 75
Maintaining the M7i CFEB and CFEB-E
Purpose
For optimum cooling, verify the condition of the CFEB.
Action
Check the LEDs on the CFEB or CFEB-E faceplate. The green LED labeled
OK
lights
steadily on the CFEB or CFEB-E when it is functioning normally. For more information,
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