Datasheet

CHAPTER 13
Maintaining M7i Router Hardware
Components
For information about returning a part to Juniper Networks for repair or replacement, see
“Contacting Customer Support and Returning M7i Hardware” on page 191.
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Routine Maintenance Procedures for the M7i Router on page 73
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Maintaining the M7i CFEB and CFEB-E on page 73
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Maintaining the M7i FIC and FIC Cables and PICs and PIC Cables on page 74
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Maintaining the M7i Routing Engine on page 76
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Maintaining the M7i Power Supplies on page 76
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Maintaining the M7i Cooling System on page 77
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.
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• Check the status-reporting devices on the craft interface—System alarms and LEDs.
Related
Documentation
M7i Router Environmental Specifications on page 165•
• M7i Router Physical Specifications on page 163
• Packing the M7i Router for Shipment on page 197
• Overview of Troubleshooting Resources for the M7i Router on page 79
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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see “M7i Compact Forwarding Engine Board (CFEB) and Enhanced Compact Forwarding
Engine Board (CFEB-E) Description” on page 8.
73Copyright © 2012, Juniper Networks, Inc.