AT&T 518-600-016 manual Upgrade Instructions FMI to FM2

UPGRADE INSTRUCTIONS FMI TO FM2

Follow these steps to upgrade the system from Feature Module 1 to Feature Module 2.

1Shut down the system, Basic Carrier first, any Auxiliary Power Units next, and the Expansion Carrier last if there is one.

2Remove the Processor Module. See “Removing a Module” on page 2-64 for instructions.

3Exchange Feature Module 2 for Feature Module 1. See “Installing the Feature Module on the Processor Module” on page 2-73 for instructions.

4Replace the Processor Module on the Basic Carrier. See “Installing a Module” on page 2-63 for instructions.

5Add line or station modules as needed. See “Installing Line and Station Modules” on page 2-79 and/or see “Installing a Basic Telephone Module” on page 2-81 for instructions.

6If an Expansion Carrier has been added, insert the Power Supply Module on that carrier in its slot. See “Installing the Power Supply Module” on page 2-66 for instructions.

7Consider unit load requirements to determine if any Auxiliary Power Units are needed. See “Determining Unit Load Requirements” on page 2-57 for information about unit loads and their calculation.

8Connect any new CO lines as follows as appropriate:

>Connect new CO lines from the network interface to the jack field if one has been used. Connect the CO lines from the jack field to the proper jacks on the line modules.

2-136 Upgrading an Existing System