From the System View menu, select View → Protection to view the current protection on the circuit pack you are replacing.

Does 1+1 Equip appear next to the circuit pack that you wish to replace?

Highlight the Function Group (for example: 1+1 Equip fn-a represents Function Group A) containing the circuit pack you wish to replace and click Select.

Does the Circuit Pack State for the circuit pack that you wish to replace read In Service?

From the System View menu, select Fault → Protection Switch.

Highlight the Function Group that contains the circuit pack that you are replacing and click Select.

Result:

On the right side of the Switch Protection window, the Switch Type: pull-down menu appears.

From the Switch Type: pull-down menu, select Forced and click Apply.

Result:

A confirmation window appears: "Execution of provision may affect the NE service. Do you want to execute this command?"

On the confirmation window, click Yes to ensure that service switches to the other circuit pack in the Function Group. Click Close on the Switch Protection window.

To verify that the switch has occurred:

1. From the System View menu, select View → Protection.

2. Highlight the Function Group that contains the circuit pack that you are replacing and click Select.

3. Verify the following for the circuit pack that you are replacing:

   • Protection Switch State: reads Standby

   • Protection Switch Priority: reads Forced Switch

   • Circuit Pack State: reads Out of Service.

Prepare to remove the circuit pack:

1. Loosen and disengage the thumbscrew that secures the right end of the circuit pack.

2. Grasp the inner edge of the locking lever that secures the left end of the circuit pack.

3. Apply a constant pressure to pull the lever outward.

Pull the lever and thumbscrew forward to disengage the circuit pack from the backplane connector and draw the circuit pack out of the Main Slot.

Holding the replacement circuit pack vertically, rotate the circuit pack 90 degrees to the left (counter-clockwise). The faceplate label with LNW39/LNW111/LNW112 should be on your left, away from the fan unit.

Open the faceplate latch and seat the replacement circuit pack in vacant slot A1/B1 or A2/B2 by applying steady pressure to the faceplate and latch assembly.

Result:

FAULT LED and ACTIVE LED lights. FAULT LED begins flashing after about 20 seconds. (Firmware updates may take place that add additional wait time.)

Select View → Refresh System View and the circuit pack appears in the WaveStar^® CIT System View indicating successful installation.

Secure the replacement circuit pack in the shelf using the latch lever and thumbscrew.

Ensure that another circuit pack, an LNW43 apparatus blank, or an LNW96 Detectable apparatus blank is installed in the other A/B slot.

From the System View menu, select Fault → Protection Switch.

Highlight the Function Group that you force-switched and click Select.

Result:

On the right side of the Switch Protection window, the Switch Type: pull-down menu appears.

From the Switch Type: pull-down menu, select Reset and click Apply.

Result:

A confirmation window appears: "Execution of provision may affect the NE service. Do you want to execute this command?"

On the confirmation window, click Yes to ensure that service switches to the other circuit pack in the Function Group. Click Close on the Switch Protection window.

To verify that the forced switch is removed:

1. From the System View menu, select View → Protection.

2. Highlight the Function Group that contains the circuit pack that you replaced and click Select.

3. For the circuit pack that you force-switched, verify that the Protection Switch Priority: reads -.

4. For the function group, verify that the Switch Request State: reads No Request

Do you wish to restore the original Active/Standby states?

From the System View menu, select Fault → Protection Switch.

Highlight the Function Group and click Select.

Result:

On the right side of the Switch Protection window, the Switch Type: pull-down menu appears.

From the Switch Type: pull-down menu, select Manual and click Apply.

Result:

A confirmation window appears: "Execution of provision may affect the NE service. Do you want to execute this command?"

On the confirmation window, click Yes to ensure that service switches to the other circuit pack in the Function Group. Click Close on the Switch Protection window.

To verify that the switch has occurred:

1. From the System View menu, select View → Protection.

2. Highlight the Function Group that contains the circuit pack that you replaced and click Select.

3. For the circuit pack that you replaced, verify the following:

   • Protection Switch State: reads Active

   • Protection Switch Priority: reads -

   • Circuit Pack State: reads In Service.

From the System View menu, click the Alarm List button to obtain an NE Alarm List. Verify that no alarms are present for the installed circuit pack.

If required, refer to the appropriate procedure to clear any alarms.

From the System View menu, use View → Equipment to access the circuit pack/port parameters for the circuit pack just installed and verify that the parameters are intact.

If required, refer to the appropriate procedure in the Alcatel-Lucent 1665 Data Multiplexer Extend (DMXtend) User Operations Guide, 365-372-325 to change any circuit pack/port parameters.

End of steps