Polycom DOC2559C manual Replacing a DC Power Rail Module PRM

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Polycom RMX 4000 Hardware Guide

4Carefully slide the PEM unit out from the rear slot.

5Slide in the replacement PEM unit.

6Push the PEM unit firmly into the Power Supply, making sure it is properly seated in its slot.

7Tighten the captive screws on the rear panel of the PEM unit to the rear chassis.

Replacing a DC Power Rail Module (PRM)

On the rear of the RMX 4000 two DC Power Rail Modules are fitted, each with their own power cord.

Use the following procedure to replace a DC Power Rail Module:

Please verify the type of PRM used on your RMX 4000. Do not insert a Power Rail Module of a different type on your system.

When replacing a DC Power Rail Module:

On the Mains, disconnect the electricity that supplies direct current running through the power cable to the failed DC PRM.

1Turn OFF the circuit switch on the each of the DC PRMs and from the Mains.

2Verify that DC PRM unit you are about to replace on the RMX 4000 is not HOT or has any Live current feed.

3Remove the plastic cap fitted to the Terminal block that protects the direct current connections.

2-7

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Contents Polycom RMX 4000 Hardware Guide USA Συμμορφωνεται Προσ ΤΙΣ Ουσιωδεισ Απαιτησεισ ΚΑΙ ΤΙΣ Russian Communication Certificate Regulatory NoticesTable of Contents ISDN/PSTN Clock Source MPM+ and MPMx Media Cards RMX 4000 Rear Panel RTM-IPHardware Description Media Protocols Power SupplyPower Consumption PhysicalEnvironment RMX 4000 System CapacitiesConferencing Capacities Following table summarizes the different system capacitiesSystem Functions MPM+ Mode MPMx Mode Resource Capacities per Card Assembly MPMx CardMPM+ Card MPMx Resource Capacities per Card Type MPM+ and MPMxMaximum Possible Resources Per Card Resource TypeSite Safety Requirements Safety RequirementsRack Mount Safety Precautions General Installation PrecautionsUnpacking the RMX Installing the RMXHardware Description Installing the RMX in a Rack or as a Standalone Standalone RMX 4000 InstallationRack Mount Preparations Placing the RMX 4000 in a 19 Rack 2Installing chassis runners and RMX in a rack3RMX 4000 Rack Mount 4Removing and attaching 19 and 23 brackets Placing the RMX 4000 in a 23 RackTo reverse mount the RMX 4000 on a 19 rack Reverse Mounting the RMX 4000 in a RackConnecting the RMX 4000 to Power Sources Make sure that the power button is switched OFF on the RMX Connecting the RMX 4000 to AC PowerConnecting the RMX 4000 to -48DC Selv Power Type a Type B Types of DC Circuit Breakers installed on RMXTo connect the cables AC and DC systems RTM-IP Connecting Cables to the RMXFirst-time Power-up For more information about specific card connections, seeRTM LAN on RMX 4000 Front Panel RMX 4000 Components8shows the front panel of an RMX 4000 DC system Component Description MPM+ and MPMx Media Cards Card Configuration Mode Selection During Startup / Restart9RMX 4000 AC Rear View RMX 4000 Rear Panel10RMX 4000 DC Rear View RTM-IPLAN 3 Cntl Following items appear on the RMX 4000 rear panelStandby button Toggle between CPU activation and standby RTM IsdnISDN/PSTN Clock Source AC Power Entry Module PEMDC Power Rail Module Component Slot AllocationSlot ID/No Card/Component Requirement RTM ISDN/RTM LED Color Description RMX 4000 Front Panel LEDsFollowing items appear on the RMX 4000 front panel ComponentCard Insertion Initiated If during Card removal Initiated The cardCntl 4000 Unit LED Color Description Name RMX 4000 Rear Panel LEDsRTM-IP Following LEDs appear on the RTM-IP 4000 cardFunction Name Following LEDs appear on the RTM LANFollowing LEDs appear on the RTM Isdn RTM IsdnComponent Replacement Component Replacement Handle Using the Modified PMC Compatible Ejector LeverReplacing 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 Carefully slide the Fan drawer out through the front panel Replacing the Fan DrawerInserting an Air Filter Optional in the Fan Drawer Removing the MPM+/MPMx Card from the MCU Replacing an Faulty MPM+/MPMx CardComponent Replacement Installing the Replacement MPM+/MPMx Card Replacing the RTM Isdn Card Installing an MPM+/MPMx Card on the RMXPRI Cables Replacing the RTM-IP Replacing the RTM LAN Replacing the Fabric Switch Module FSM Polycom RMX 4000 Hardware Guide