Removing An Esm Board; Installing An Esm Board; Working With Hot-Swap Power - IBM Netfinity EXP300 Installation And User Manual

Working with hot-swap power

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IBM® Netfinity® EXP300 Installation and User's Guide

Removing an ESM board

There are two hot-swap ESM boards at the back of the unit. You can remove the ESM
board and SCSI cable without turning off power to the EXP300. Complete the
following steps to remove an EXP300 ESM board:
1. Power down the server attached to the ESM Board.
2. Disconnect the SCSI cable 1 from the ESM Board.
3. Locate the orange push pin 4 to the left of each ESM board.
4. Pull the orange push pin 4 out.
5. Holding the pin, pull the tray handle 3 out and to the right.
6. Slide the ESM board 2 out of the expansion unit.

Installing an ESM board

There are two hot-swap ESM boards at the back of the unit. You can install the ESM
board and SCSI cable without turning off power to the EXP300. Complete the
following steps to install an EXP300 ESM board:
1. Hold the board so the tray handle 3 is attached to the bottom of the tray, and the
tray handle 3 is fully extended.
2. Slide the ESM board 2 into the bay, and move the handle 3 to the closed
position (left) until it clicks.
3. Push in the orange push pin 4 .
4. Connect the SCSI cable 1 to the ESM board.
5. Power on the server attached to the ESM board.
Before you begin
• Read the safety and handling guidelines provided in "Safety" on page v and
"Handling static-sensitive devices" on page 25.
The power supplies are customer replaceable units (CRUs) and do not require
preventive maintenance.