Juniper CBL-M40-PWR-AU Manual De Usuario
Maintain and Replace Cooling System Components
Maintain and Replace the Fan Tray
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Install the Air Filter
To install the air filter, follow this procedure (see Figure 68):
1.
Attach an ESD wrist strap to your bare wrist, and connect the wrist strap to one of the
two ESD points on the chassis.
two ESD points on the chassis.
2.
Grasp the sides of the air filter and push it firmly over the air intake, inserting its metal
prongs into the chassis.
prongs into the chassis.
Figure 68: Install the Air Filter
Maintain and Replace the Fan Tray
The fan tray is located at the rear of the chassis, beneath the upper impeller assembly (see
Figure 2). To check the status of the fans in the fan tray, issue the
Figure 2). To check the status of the fans in the fan tray, issue the
show chassis environment
command. The output refers to the individual fans in the fan tray as the
Rear Left Fan
,
Rear Center Fan
, and
Rear Right Fan
:
user@host> show chassis environment
Class Item Status Measurement
. . .
Fans Top Impeller OK Spinning at normal speed
Bottom Impeller OK Spinning at normal speed
Rear Left Fan OK Spinning at normal speed
Rear Center Fan OK Spinning at normal speed
Rear Right Fan OK Spinning at normal speed
. . .
For further description of the output from the command, see the JUNOS Internet Software
Operational Mode Command Reference: Protocols, Class of Service, Chassis, and Management.
Operational Mode Command Reference: Protocols, Class of Service, Chassis, and Management.
To replace the fan tray, perform the following procedures:
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