Nortel Networks BCM50 manual Replacing a power supply

Task List 7

Replacing a power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

To shut down the system	170
To remove the power supply	170
To connect the new power supply	171

Replacing a main unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

To shut down the system	174
To disconnect the cables	174
To remove a rackmounted main unit	175
To remove a wallmounted main unit	175
To remove a desktop mounted main unit	176
To connect the cables	176
To return the system to operation	177

Replacing a media bay module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

To remove the MBM	180
To insert the new MBM	181
To return the system to operation	181

Replacing an expansion unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

To disconnect the expansion unit cables	184
To remove a rackmounted expansion unit	185
To remove a wallmounted expansion unit	185
To remove a desktop-mounted expansion unit	185
To remove the MBM	186
To connect the cables	187
To return the system to operation	187

Replacing an internal component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

To shut down the system	190
To disconnect the cables	191
To remove a rackmounted main unit	191
To remove a wallmounted main unit	192
To remove a desktop-mounted main unit	192
To open the main unit case	192
To remove the hard disk	195
To remove the fan	196
To remove the router card	197
To insert the new hard disk	198
To insert the new fan	200
To insert the new router card	201
To close the main unit case	201
To connect the cables	203
To return the BCM50 system to operation	203

BCM50 Installation and Maintenance Guide