Reinstalling The Rear Component Cover; Reinstalling The Power Supplies; Figure 61: Reinstalling An Sfm - Juniper M40E Hardware Manual

M40e Multiservice Edge Router Hardware Guide

Reinstalling the Rear Component Cover

Reinstalling the Power Supplies

106
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Figure 61: Reinstalling an SFM

The rear component cover protects the Routing Engines, PCGs, MCSs, and SFMs, as
shown in "M40e Chassis Description" on page 8. To reinstall the rear component cover:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis. For more information about ESD,
see "Preventing Electrostatic Discharge Damage to an M Series, MX Series, or T Series
Router" on page 232.
Hold the component cover up to the rear of the chassis and align the flanges at the
2.
top and bottom with the top and bottom of the opening in the chassis.
Push the cover into place.
3.
Tighten the thumbscrew at each corner of the cover.
4.
CAUTION: To maintain proper airflow and provide electromagnetic
shielding, do not operate the router without the rear component cover in
place.
The two power supplies (AC or DC) are located at the bottom rear of the chassis, as
shown in "M40e Chassis Description" on page 8. To reinstall the power supplies (see
Figure 62 on page 107, which shows a DC power supply):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis. For more information about ESD,
see "Preventing Electrostatic Discharge Damage to an M Series, MX Series, or T Series
Router" on page 232.
Verify that the power switch for each power supply is in the
2.
AC-powered router, the switch for each power supply is on the power supply faceplate.
On a DC-powered router, the switches are on the circuit breaker box.
OFF ( O ) position. On an
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