Operation Procedure Of System Maintenance Switch - NEC Express5800/R120h-2M Maintenance Manual

Chapter 1 Maintenance
7.3.2

Operation Procedure of System Maintenance Switch

When you operate the system maintenance switch, follow the procedure below.
1. Check the position of the system maintenance switch: SWx (x stands for the number of the switch).
2. Regarding the positions of system maintenance switch, refer to the following diagram of R120h-2M or
R120h-1M.
3. Referring to Chapter 2 (1.2 Overview of Installation and Removal) in User's Guide attached to the device,
remove the top cover.
4. In case you cannot operate the system maintenance switch because of an option board installed,
remove the raiser cage referring to Chapter 2 (1.11 Riser Card) in User's Guide.
5. Change the system maintenance switch you want to operate to ON or OFF.
6. Assemble the parts you removed to the original state, and then connect the power cord.
Important
Referring to Chapter 1 (1.8 Measures against Electrostatic Discharge) in "For
the Safe Use", work caring for electrostatic discharge.
Important
When you handle the system maintenance switch, use a sharp tool such as a
pointed toothpick or tweezers (however, avoid ones with sharp edges) and
slide it horizontally to the direction of your handling. Do not operate with a
mechanical pencil.
Express5800/R120h-1M, R120h-2M Maintenance Guide
7. Resetting and Clearing the Server
61