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2.
586505000/586505500 LMS1000 Cabinet: Rotate the two captive fasteners on the front of the shelf
until the arrow on the fastener points up or down, and pivot the door open.
or
582140000/582140001/582126100 Power System: Open the bay's front door.
3.
Connect an approved grounding strap to your wrist. Attach the other end to a suitable ground.
4.
If external CPU/hardware fail alarms are connected to J4 on the circuit card, gently remove the top half
of connector J4 from the bottom half.
5.
Remove the CPU circuit card by loosening the retaining screw. In a 582140000/582140001/582126100
Power System, note that if a modem is installed, it also contains a bracket with a retaining screw.
Remove the modem cable, if present.
6.
When you remove the CPU battery, memory is maintained because the capacitor supplies power to the
memory for at least one minute (worst case). Do not remove the battery until the replacement battery is
ready to be inserted.
7.
Remove the existing battery, and insert the replacement battery, observing correct polarity.
8.
Re-install the CPU circuit card by sliding the CPU circuit card into its mounting position, ensuring the
rear edge connector is firmly seated. Secure the circuit card by tightening the retaining screw located
on the circuit card assembly (this is also the RS 232 Connector Grounding Screw). In a
582140000/582140001/582126100 Power System, note that if a modem is installed, it also contains a
bracket with a retaining screw.
9.
Attach the top half of J4 to the bottom half , if previously removed.
10.
Remove the grounding wrist strap.
11.
586505000/586505500 LMS1000 Cabinet: Close the shelf door and secure with the two captive
fasteners (arrow on fastener points towards outside of cabinet).
or
582140000/582140001/582126100 Power System: Close the bay's front door.
12.
Re-apply DC input power to the LMS1000 CPU circuit card.
Vertiv™
| NetSure™ LMS Data Processing Unit User Manual (Section 5847) | Rev. ZA
516
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