Polycom DOC2559A manual Replacing an AC Power Entry Module PEM

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Chapter 2- Component Replacement

3Carefully slide the Power Supply unit out from the front slot.

4Slide in the replacement Power Supply unit.

5Push the Power Supply unit firmly into the Backplane, making sure it is properly seated in its slot, and that the latch is in a locked position.

6Tighten the captive screws on the front panel of the Power Supply unit to the chassis.

Replacing an AC Power Entry Module (PEM)

On the rear of the RMX three AC PEM’s are fitted, each with their own power cord.

Use the following procedure to replace a Power Entry Module (PEM):

Please verify the type of PEM used on your RMX 4000. Do not insert a PEM of a different type on your system.

1Unplug the Power cord connected to the failed PEM unit.

2Unscrew the captive screws on the rear panel of the PEM unit that secures the unit to the chassis.

3Using the handle fitted to the PEM, pull the PEM unit out.

2-6

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Contents Polycom RMX 4000 Hardware Guide USA Συμμορφωνεται Προσ ΤΙΣ Ουσιωδεισ Απαιτησεισ ΚΑΙ ΤΙΣ Regulatory Notices Table of Contents Component Replacement Hardware Description RMX 4000 Specifications RMX 4000 System Capacities Following table summarizes the different system capacitiesMPMx Resource Capacities Resource Type MPMx S MPMx DMPM+ Resource Capacities Operating Mode Selection During Startup / Restart MCU Mode GuidelinesMPMx and MPM+ Modes Polycom RMX 4000 Hardware Guide Safety Requirements Site Safety RequirementsGeneral Installation Precautions Rack Mount Safety PrecautionsInstalling the RMX Unpacking the RMXPolycom RMX 4000 Hardware Guide Standalone RMX 4000 Installation Installing the RMX in a Rack or as a StandaloneRack Mount Preparations 2Installing chassis runners and RMX in a rack Placing the RMX 4000 in a 19 Rack3RMX 4000 Rack Mount Placing the RMX 4000 in a 23 Rack 4Removing and attaching 19 and 23 bracketsReverse Mounting the RMX 4000 in a Rack To reverse mount the RMX 4000 on a 19 rackConnecting the RMX 4000 to Power Sources Connecting the RMX 4000 to AC Power Connecting the RMX 4000 to -48DC Selv Power Types of DC Circuit Breakers installed on the RMX Connecting Cables on the RMX To connect the cables AC and DC systems RTM-IPFirst-time Power-up RMX 4000 Components RMX 4000 Front PanelShows the front panel of an RMX 4000 DC system Component Description Component Description RMX 4000 Rear Panel 9RMX 4000 AC Rear ViewRTM-IP 10RMX 4000 DC Rear ViewFollowing items appear on the RMX 4000 rear panel RTM Isdn RTM LAN ISDN/PSTN Clock SourceDC Power Rail Module AC Power Entry Module PEMComponent Slot Allocation RTM ISDN/RTM RMX 4000 LEDs RMX 4000 Front Panel LEDsCard removal Initiated The card Cntl 4000 Unit RMX 4000 Rear Panel LEDs RTM-IPRTM LAN RTM Isdn Hardware Description Component Replacement Component Replacement Using the Modified PMC Compatible Ejector Lever HandleReplacing the Cntl 4000 Module Replacing an AC Power Supply Module Replacing an AC Power Entry Module PEM Replacing a DC Power Rail Module PRM Component Replacement Replacing the Fan Drawer Carefully slide the Fan drawer out through the front panelInserting an Air Filter Optional in the Fan Drawer Replacing an Faulty MPM+/MPMx Card Removing the MPM+/MPMx Card from the MCUComponent Replacement Installing the Replacement MPM+/MPMx Card Installing an MPM+/MPMx Card on the RMX Replacing a RTM Isdn CardPRI Cables Replacing the RTM-IP Replacing the RTM LAN Replacing the Fabric Switch Module FSM Polycom RMX 4000 Hardware Guide