Polycom DOC2559A manual Types of DC Circuit Breakers installed on the RMX

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Chapter 1- Hardware Description

5Connect the green or green-yellow wire to the system single-point M6x15 “Ground” bolt.

The rating of the protective earthing conductor should be a minimum of 10AWG.

If the unit is rack mounted, the single-point ground on the MCU must be connected to the rack with a single conductor and fixed as to prevent loosening.

When using bare conductors, they must be coated with an appropriate antioxidant compound before crimp connections are made. Tinned, solder-plated or silver plated connectors do not have to be prepared in this manner.

6Replace the transparent plastic cap on the terminal block.

7Turn ON the circuit breaker on each of the DC Power Rail Modules.

Types of DC Circuit Breakers installed on the RMX 4000

On the RMX, 2 types of circuit breakers may be installed:

•ON/OFF circuit breaker - Type A

•ON/OFF circuit breaker with locking mechanism - Type B

Table 1-4Circuit Breaker Types

Type A

Type B

1-20

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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 MPMx and MPM+ Modes MCU Mode GuidelinesOperating Mode Selection During Startup / Restart 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 Rack Mount Preparations Installing the RMX in a Rack or as a StandaloneStandalone RMX 4000 Installation 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 rack Connecting 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 SourceComponent Slot Allocation AC Power Entry Module PEMDC Power Rail Module 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