Polycom DOC2559A manual Component Replacement

Page 54

Chapter 2- Component Replacement

4Using a star screw driver, disconnect the two wires connected to the Terminal block (-48 VDC & RTN) of the failed DC PRM unit.

5Unscrew the captive screws on the rear panel of the PRM unit that secures the unit to the chassis.

6Using the handle fitted to the DC PRM, pull and slide the PRM unit out.

7Slide in the replacement PRM unit.

8Push the PRM unit firmly into the chassis, making sure it is properly seated in its slot.

9Tighten the captive screws on the rear panel of the PRM unit to the rear chassis.

10Connect the black wire into the -48 VDC terminal block and the red wire to the RTN terminal block and tighten the two screws.

11Replace the transparent plastic cap on the terminal block.

12Turn ON the Main that supplies power to the RMX.

13Turn ON the circuit breaker on each of the DC Power Rail Modules.

2-8

Image 54

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 MCU Mode Guidelines Operating Mode Selection During Startup / RestartMPMx 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 Installing the RMX in a Rack or as a Standalone Standalone RMX 4000 InstallationRack 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 SourceAC Power Entry Module PEM DC Power Rail ModuleComponent 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