IBM TotalStorage SAN140M, Installation And Service Manual

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SAN140M Installation and Service Manual 244
a. Click the Switch tab at the Operations panel. The Operations
panel opens with the Switch page displayed.
b. Click the Sys Err Light tab. The Switch page displays with
the Sys Err Light tab selected. A System Error Light is ON
message displays on the page.
c. Click Clear Light.
13. If necessary, close and lock the equipment cabinet door.
RRP: Backplane
Use the following procedures to remove or replace the backplane. A
list of tools required is provided.
Tools required
The following tools are required to perform these procedures.
• Door key with 5/16-inch socket.
• Torque tool and hex adapter (provided with the director).
• Standard flat-tip screwdriver.
• Standard cross-tip (Phillips) screwdriver.
• ESD grounding cable and wrist strap.
• Maintenance terminal (desktop or notebook PC) with:
— The Microsoft Windows 98, Windows 2000, Windows
Millennium Edition, or Windows NT 4.0 operating system.
— RS-232 serial communication software (such as ProComm
Plus or HyperTerminal). HyperTerminal is provided with
Windows operating systems.
• Asynchronous RS-232 null modem cable (provided with the
director).
Removal
To remove the backplane:
1. At the Hardware View, double-click the graphic representing the
director bezel (do not click a graphical FRU) to open the Director
Properties dialog box. Record the director serial number. This
number must be programmed into the replacement backplane.