Installing the Control Unit’s Housing

If you hear dial tone after one to three seconds of silence, proceed with this test.

4Dial 12345678*0#.

You should hear a dual-tone multifrequency (DTMF) signal as each button is pressed. When you finish dialing, you should hear a 3-beep confirmation tone.

5 Repeat the test for each TTR.

Installing the Control Unit’s

Housing

After you complete system acceptance testing and if you are confident that the system is completely installed, you can install the control unit’s housing.

NOTE:

Beginning with Release 2.1 or later, the control unit covers are identical to those on the MERLIN II Communications System. if you need to install control unit covers on a system prior to Release 2.1, see Chapter 9, “Upgrading the System.”

Installing the Top Cover

To install the top cover, see Figure 7-2and follow these steps:

1Be sure the cords have been pressed through the wire managers at the base of the modules.

2Hold the top cover with the hooks facing you.

3Engage the tabs at the rear of the top cover with the carrier.

4Lower the top cover so the legs lock into the vents on the module.

7–20Initializing and Testing the System

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AT&T 3.0 manual Installing the Control Unit’s Housing, Installing the Top Cover, Repeat the test for each TTR