Adaptec 1542B - AHA Storage Controller Fast SCSI 10 MBps Specifikace stáhnout pdf (Strana 44)

Model PDP Series 200 maxDPU4E Hardware Guide

The DPU NiCd battery pack (Part number 081537) should be replaced at

least every three years. Spare NiCd battery packs have a shelf life of 5 to 7

years.

The battery is located in an accessible compartment attached to the DPU

cover on the upper right side of the DPU. To access the battery, you must

remove the DPU from the rack as described in the following procedure:

To replace the battery:

1. Important: If the DPU to be serviced is part of a DPU pair, use the

instructions in Chapter 7, "Replacing a DPU in a Backup Pair," to extract

the DPU. If the DPU to be serviced is configured as standalone, place the

key switch in the off-line position and use the following instructions.

2. Gently slide the DPU module out of the cabinet rack and set the unit

down on an appropriate work surface, component side up.

3. Locate the battery compartment on the upper right side.

4. Remove the battery plug connector from the J13 connector.

5. Peel back the black Velcro strap that holds the battery in place, slide out

the failed battery and dispose of it appropriately.

6. Slide the new battery pack into the battery compartment and secure the

Velcro strap around the top of the battery, pressing the end of the strap

onto the mating Velcro pad attached to the outside of the battery

compartment.

7. Plug the battery's plug connector into the J13 connector. The connector is

attached to a black wire and a red wire. As you insert the plug into the

connector, the black wire pin should be on top. The connector is keyed to

prevent installing the plug in the wrong orientation.

8. Install the DPU in the chassis using the appropriate procedure found in

Chapter 7," Starting a Standalone DPU," or "Replacing a DPU in a

Backup Pair."

Replacing DPU Fuses

To replace any one of the two fuses:

1. Important: If the DPU to be serviced is part of a DPU pair, use the

instructions in Chapter 7, "Replacing a DPU in a Backup Pair" to extract

the DPU. If the DPU to be serviced is configured as standalone, place the

key switch in the offline position and use the following instructions.

Metso Automation MAX Controls Inc. • 278590 •

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Adaptec 1542B - AHA Storage Controller Fast SCSI 10 MBps Specifikace Strana 44