Chapter 3 Power Supply Installation
Power Supply Module Installation
Installation Guidelines
Observe these guidelines when removing or installing a power supply module:
A power supply module that is only partially connected to the switch disrupts the system operation.
Warning Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all cards, faceplates, front covers, and rear covers are in place. Statement 1029
Note You can order the blank cover (part number
Warning Do not reach into a vacant slot while installing or removing a module. Exposed circuitry is an energy hazard. Statement 206
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030
Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. Statement 1001
Installing a Power Supply Module
This procedure is for installing a power supply module in the PSU1 or PSU2 slot.
Warning The covers are an integral part of the safety design of the product. Do not operate the unit without the covers installed. Statement 1077
Warning This unit might have more than one power supply connection. All connections must be removed to
Caution Equipment installation must comply with local and national electrical codes.
Equipment That You Need
•Ratcheting torque flathead screwdriver that exerts up to
•Ring, spade, or flanged spade terminal
Cisco CGS 2520 Hardware Installation Guide
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