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14-Slot AdvancedTCA Shelf
11596-100/-101/-102/-103
4.7 Shelf Alarm Panel (SAP) Replacement
For instructions see Chapter 4.6, "Shelf Alarm Display (SAD) Replacement".
Figure 20: Shelf Alarm Panel (SAP)
4.8 Chassis Data Module (CDM) Replacement
The Chassis Data Modules (CDMs) are located on the Backplane behind the
Power Entry Modules (PEMs). To replace a CDM you have to remove the resp.
PEM first.
• CDM 1 is located behind PEM A.
• CDM 2 is located behind PEM B.
Warning!
Before removing a PEM, ensure that the Power Segments of the other PEM
are fully functional.
Hazardous voltage!
Before working ensure that the power is removed from the power connection
cables. When the system is powered on, do NOT touch the power terminals!
Warning!
This Shelf is intended to be grounded. Ensure that the Shelf Ground terminals
are connected to Protective Earth (PE) of the building.
Warning!
Remove jewelry (rings, watches...) before working on equipment that is
connected to power lines!
Danger of electrostatic discharge!
Static electricity can harm delicate components inside the Shelf. You must
wear an ESD wrist strap before exchanging any part or electric component!
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Maintenace
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