Nortel Networks BCM50 manual To insert the new MBM, To return the system to operation

Chapter 22 Replacing a media bay module 181

To insert the new MBM

1Unpack the new MBM.

2Verify that the dip switches are all in the factory default positions. Refer to“Verifying the media bay module switch settings” on page 93.

3Install the MBM. Refer to “Installing a media bay module in an expansion unit” on page 95.

4If the new MBM is a different type of module (for example, you replaced a DSM16 with a 4x16), use Element Manager to configure the new MBM before continuing. Refer to “To configure the MBM(s)” on page 150 for more information on configuring the MBM.

5Reconnect the power supply cable. Refer to “To connect a power supply without a UPS” on page 101.

6Connect the telephone line and extension cables to the port on the front of the new MBM. Refer to “Connecting the lines and extensions” on page 102.

If the new MBM is a different type of module (for example, you replaced a DSM16 with a 4x16), you must make any additional connections to the MBM before continuing.

7Proceed to “To test the MBM” on page 161.

To return the system to operation

1Check the Power and Status LEDs on the main unit. Both LEDs should be solid green. If either LED is not solid green, there is a problem with the main unit. Refer to “System status LEDs” on page 59 for a detailed description of the LED states.

2If this system has an expansion unit, check the Power and Status LEDs on the MBM in the expansion unit. Both LEDs should be solid green. If either LED is not solid green, there is a problem with the MBM or the expansion unit. Refer to “Media bay module LEDs (expansion units only)” on page 64 for a detailed description of the LED states.

3If this system has a second expansion unit, check the Power and Status LEDs on the second MBM.

4Use Element Manager to restore the programming. For information about restoring system programming, refer to the BCM50 Administration Guide (N0016868).

5Set the basic configuration parameters. Refer to “Configuring the BCM50 system” on page 123 for more information.

BCM50 Installation and Maintenance Guide