ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance

DLP-516

Page 2 of 6

5.Align the edges of the printed circuit card with the card guides in the chassis. Use the injector at the bottom of the front panel to press the HLXC module into the chassis. If there is excessive resistance to insertion, remove the module and check for improper alignment or obstructions.

6.Perform the initial start-up test detailed in Figure 516-3,observing the front panel LEDs, and verify that each LED operates as specified. Refer to Figure 516-4for front panel layouts of the different HLXC versions.

•If the STATUS LED is green following self-test, proceed to Step 7.

•If the STATUS indicator is red, the HLXC module has failed self-test diagnostics. Remove and then reinsert the HLXC module and then wait while the HLXC module again performs self-test diagnostics. If the STATUS indicator turns red at the end of the second self-test, the HLXC module is defective. Remove and replace the HLXC, and then repeat Steps 1 through 6.

7.Press the LMPTST switch on the APU to verify that the all the indicators on the HLXC module front panel light yellow. This indicates that each indicator is functional.

•If each indicator is yellow, continue to Step 8 or 9.

•If each indicator is not yellow, the HLXC module is defective. Remove and replace the HLXC, and then repeat Steps 1 through 7.

8.Version C HLXC only: if the Loop Power option is selected in Step 3, measure DC voltage and DC current being supplied to the HLXR. (The Version E and Version D HLXC defaults to loop power enabled.)

Reference: DLP-568Version C HLXC to HLXR Voltage and Current Test

Reference: DLP-572Version D (or Later) HLXC to HLXR Voltage and Current Test

9.Repeat entire procedure for each HLXC module.

Stop! You have completed this procedure.

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© 2000, ADC Telecommunications, Inc.