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The 5157/5157 ACL S-Series Subsystems Installation/Users Guide

Appendix A

A.2 Troubleshooting for Field Support

A.2.1 Control Panel

The control panel consists of four LED indicators, a 4-line

by 20-character backlit LCD display, and four buttons.

Figure A-3 shows the control panel.

Figure A-3 Control Panel

A.2.2 Power-On Self Test Screen

When power is first applied to the module, a series of

power-on self test (POST) diagnostics is performed. During

POST execution, the model number of the module, the

current date and time, the firmware revision, and the status

or result of the test in progress are displayed on the control

panel as shown in Figure A-4.

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Hp NonStop G-Series Manuale Utente Pagina 159