Справочник Пользователя для Juniper CBL-M40-PWR-AU
Hardware Maintenance Overview
133
Chapter 9
Hardware Maintenance Overview
This chapter discusses the following procedures for maintaining the router:
For information about returning a part to Juniper Networks for repair or replacement, see
“Return the Router or Its Components” on page 215.
“Return the Router or Its Components” on page 215.
Routine Maintenance Procedures
For optimum router performance, perform the following preventive maintenance procedures
on a regular basis:
on a regular basis:
Inspect the installation site for potential problems caused by moisture, loose wires or
cables, and excessive dust. Make sure that airflow around the router and into the air
intake vent at the bottom of the chassis front is unobstructed.
intake vent at the bottom of the chassis front is unobstructed.
Check the status-reporting devices on the craft interface: system alarms, LEDs, and LCD.
Inspect the air filter at the bottom front of the router, replacing it as needed for optimum
cooling system performance. Do not run the router for more than a few minutes without
the air filter in place. For replacement instructions, see “Maintain and Replace the Air
Filter” on page 154.
the air filter in place. For replacement instructions, see “Maintain and Replace the Air
Filter” on page 154.
Replacing FRUs
When you need to replace a router component, contact your customer support or sales
representative to order the field-replaceable unit (FRU) that contains the part. For
instructions, see “Return the Router or Its Components” on page 215.
representative to order the field-replaceable unit (FRU) that contains the part. For
instructions, see “Return the Router or Its Components” on page 215.
The subsequent chapters in this part describe how to replace FRUs. For a list of the FRUs on
the M40 router, see “Field-Replaceable Units (FRUs)” on page 4.
the M40 router, see “Field-Replaceable Units (FRUs)” on page 4.