Nortel Networks BCM50 - Manual (Page 187)

Chapter 23 Replacing an expansion unit 187
Installation and Maintenance Guide
Installing the new expansion unit
Use one of the following procedures to install the new expansion unit:
• Installing the BCM50 unit in an equipment rack on page 82
• Installing the BCM50 unit on the wall on page 86
• Installing the BCM50 unit on a desktop or shelf on page 91
After you install the new expansion unit, continue with the procedure To connect the cables on
page 187.
To connect the cables
1 Insert the power supply retention clip into the new expansion unit.
2 Rotate the power supply retention clip so that the power supply jack is clear.
3 Connect the power supply cord to the expansion unit.
4 Rotate the power supply retention clip to lock the power supply cord in place.
5 Connect the expansion cable to the expansion port on the front of the expansion unit.
6 Connect the LAN cable to the LAN port on the front of the expansion unit (if applicable).
7 Connect all of the telephone line and extension cables to the MBM inserted in the expansion
unit. To ensure the same line and extension numbering, make sure you connect the cables to
the ports from which you removed them.
8 Use Element Manager to enable the MBM. For more information about enabling an MBM, see
the Administration Guide.
Warning: Leakage currents
You must connect the power cord to a grounded outlet before connecting the
telephony and data networking cables to the system.