Task List 9
Installation and Maintenance Guide
Testing basic BCM50 functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
To test the main unit ....................................................................................................167
To troubleshoot the main unit ......................................................................................168
To test the expansion unit ...........................................................................................168
To troubleshoot the expansion unit .............................................................................168
To test the MBM ..........................................................................................................169
To test a station MBM..................................................................................................169
To test a trunk MBM ....................................................................................................169
To determine why an MBM does not appear in Element Manager .............................170
To determine why the ATA2 does not function............................................................170
To determine why there is no dial tone at the ATA2....................................................170
To check the ATA2 wiring............................................................................................171
To perform a Level 1 and Level 2 reset.......................................................................172
Replacing the BCM50 system components . . . . . . . . . . . . . . . . . . . . . . . 175
To shut down the system.............................................................................................176
To return the system to operation................................................................................176
Replacing a power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
To remove the power supply .......................................................................................178
To connect the new power supply ...............................................................................179
Replacing a main unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
To disconnect the cables.............................................................................................182
To remove a rack-mounted main unit ..........................................................................183
To remove a wall-mounted main unit ..........................................................................183
To remove a desktop mounted main unit ....................................................................183
To connect the cables .................................................................................................184
Replacing a media bay module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
To remove the MBM ....................................................................................................186
To insert the new MBM................................................................................................187
Replacing an expansion unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
To disconnect the expansion unit cables.....................................................................190
To remove a rack-mounted expansion unit .................................................................191
To remove a wall-mounted expansion unit..................................................................191
To remove a desktop-mounted expansion unit ...........................................................191
To remove the MBM ....................................................................................................192
To connect the cables .................................................................................................193
Replacing an internal component . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
To open the main unit case .........................................................................................197
To remove the hard disk..............................................................................................199
To remove the fan .......................................................................................................200
To remove the router card ...........................................................................................201
To insert the new hard disk .........................................................................................202
To insert the new fan ...................................................................................................204
To insert the new router card.......................................................................................205
To close the main unit case.........................................................................................206
RJ-21 telephony connector wiring chart . . . . . . . . . . . . . . . . . . . . . . . . . . 209
