Juniper MX240 Hardware Manual page 9

Part 4
Appendix A
Replacing DPCs and Transceivers ................................................................106
Replacing a DPC ...................................................................................106
Removing a DPC ............................................................................106
Installing a DPC ..............................................................................108
Removing an SFP or XFP Transceiver ...................................................110
Installing an SFP or XFP Transceiver .....................................................112
Replacing Power System Components ........................................................112
Removing an AC Power Supply .............................................................113
Installing an AC Power Supply ..............................................................114
Removing a DC Power Supply ..............................................................114
Installing a DC Power Supply ................................................................116
Replacing an AC Power Cord ................................................................118
Disconnecting an AC Power Cord ...................................................119
Connecting an AC Power Supply Cord ............................................119
Replacing a DC Power Supply Cable .....................................................119
Disconnecting a DC Power Supply Cable ........................................120
Connecting a DC Power Supply Cable ............................................120
Replacing the Cable Management System ...................................................121
Removing the Cable Management System ............................................121
Installing the Cable Management System ..............................................122
Appendixes
Safety and Regulatory Compliance Information
Definition of Safety Warning Levels ............................................................125
Safety Guidelines and Warnings ..................................................................126
General Safety Guidelines and Warnings ...............................................127
Qualified Personnel Warning ..........................................................127
Restricted Access Area Warning .....................................................128
Preventing Electrostatic Discharge Damage ...................................130
Fire Safety Requirements ......................................................................130
Fire Suppression .............................................................................131
Fire Suppression Equipment ...........................................................131
Installation Safety Guidelines and Warnings .........................................131
Chassis-Lifting Guidelines ...............................................................132
Installation Instructions Warning ....................................................132
Rack-Mounting Requirements and Warnings ..................................133
Ramp Warning ...............................................................................136
Laser and LED Safety Guidelines and Warnings ....................................136
General Laser Safety Guidelines ......................................................137
Class 1 Laser Product Warning .......................................................137
Class 1 LED Product Warning .........................................................137
Laser Beam Warning ......................................................................138
Radiation from Open Port Apertures Warning ................................139
Maintenance and Operational Safety Guidelines and Warnings ............139
Battery Handling Warning ..............................................................140
Jewelry Removal Warning ..............................................................141
Table of Contents
125
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Table of Contents