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Paradyne 3000 Installation Manual

Central office power unit
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COMSPHERE
–48 Vdc CENTRAL OFFICE
POWER UNIT
INSTALLATION GUIDE
Document No. 3000-A2-GB41-50
October 2002

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  • Page 1 COMSPHERE –48 Vdc CENTRAL OFFICE POWER UNIT INSTALLATION GUIDE Document No. 3000-A2-GB41-50 October 2002...
  • Page 2 COMSPHERE –48 Vdc Central Office Power Unit COMSPHERE –48 Vdc Central Office Power Unit Installation Guide 3000-A2-GB41-50 6th Edition (October 2002) Changes and enhancements to the product and to the information herein will be documented and issued as a new release. Warranty, Sales, and Service Information Contact your local sales representative, service representative, or distributor directly for any help needed.

  • Page 3: Important Safety Instructions

    Avoid using a telephone (other than a cordless type) during an electrical storm. — There may be a remote risk of electric shock from lightning. Do not use the telephone to report a gas leak in the vicinity of the leak. — 3000-A2-GB41-50 October 2002 Safety Instructions...
  • Page 4 To Users of Digital Apparatus in Canada: This Class A digital apparatus meets all requirements of the Canadian interference-causing equipment regulations. Cet appareil numérique de la classe A respecte toutes les exigences du règlement sur le matérial brouilleur du Canada. October 2002 3000-A2-GB41-50...

  • Page 5: Table Of Contents

    Table of Contents Preface 1. Introduction 2. Installation 3000-A2-GB41-50 Objectives and Reader Assumptions ......Abstract ..........
  • Page 6 ........October 2002 ..... 3000-A2-GB41-50...
  • Page 7 A-2. Connector Housing and Contact A-3. NMS Adapter Cable (Feature Number 3000-F2-510) 3000-A2-GB41-50 List of Figures ..........
  • Page 8 ..... . 2-17 ......3000-A2-GB41-50...

  • Page 9: Preface

    This guide contains installation information for the COMSPHEREr – 48 Vdc Central Office (CO) Power Unit which is designed to be used with COMSPHERE 3000 Series Carriers. It is assumed that you are familiar with the functional operation of data equipment, digital network services,...
  • Page 10 COMSPHERE –48 Vdc Central Office Power Unit October 2002 3000-A2-GB41-50...

  • Page 11: Introduction

    Power Unit is designed to provide low voltage dc power to any data communication equipment (DCE) operating in a COMSPHERE 3000 Series Carrier. The – 48 Vdc CO Power Unit (hereafter referred to as the CO Power Unit) consists of the following...

  • Page 12: Features

    Features The CO Power Unit provides the following features: Enables DCEs supported by the COMSPHERE 3000 Series Carrier to operate in a – 48 Vdc central office environment. Provides the following three modes of operation: — Basic mode – the mode in which the single power module supplies power to the entire carrier.

  • Page 13: Central Office (Co) Power Unit With One Power Module

    3 0 0 d u le F a n A la Captive Screws Figure 1-2. Central Office (CO) Power Unit with Two Power Modules 3000-A2-GB41-50 CO Power Unit Captive Screws CO Power Unit Backplane 3 0 0 d u le...

  • Page 14: Technical Specifications

    3.0 inches ( 7.7 cm) 16.9 inches (43.3 cm) 13.5 inches (34.6 cm) 2.4 inches ( 6.2 cm) 8.5 inches (21.8 cm) 11.7 inches (30.0 cm) 0.5 inches ( 1.3 cm) 14.2 inches (36.4 cm) 5.5 inches (14.1 cm) October 2002 3000-A2-GB41-50...

  • Page 15: Equipment Warranty And Support

    5.2 pounds ( 2.4 kg) 0.2 pounds ( 0.1 kg) 0.1 amp maximum at 70 Vdc maximum Recognized component as part of 3000 Series Carrier, UL 1950 Certified Component as part of 3000 Series Carrier, CSA 22.2 No. 950 October 2002...
  • Page 16 COMSPHERE –48 Vdc Central Office Power Unit This page intentionally left blank. October 2002 3000-A2-GB41-50...

  • Page 17: Installation

    DCEs in the carrier. This chapter provides information on how to install the CO Power Unit into a COMSPHERE 3000 Series Carrier. Installation Considerations The CO Power Unit is shipped with one power module and operates in Basic mode.

  • Page 18: Maximum Ambient Temperatures Permitted

    Power to a CO Power Unit section. To change the mode of operation, see the Setting the Option Straps section. Table 2-1 Allowable Number of Stacked COMSPHERE 3000 Series Carriers in a Cabinet 3551, 3611, and 3616 DSUs with DBMs and...
  • Page 19 Providing Power to a CO Power Unit section. To change the mode of operation, see the Setting the Option Straps section. 3000-A2-GB41-50 Alarm Forwarding to a 6800 Series NMS In order to send power module failure and fan failure...

  • Page 20: Co Power Unit Installation

    CO power tray (as viewed from the front of the tray) and then slide power module to the rear of tray. See Figure 2-1. 3. Tighten the two captive screws on the bottom of the power module’s faceplate. October 2002 3000-A2-GB41-50...

  • Page 21: Installing The Optional Second Power Module

    Provided With CO Power Unit 3 0 0 d u l 3 0 0 d u l Figure 2-1. Installing the Optional Second Power Module 3000-A2-GB41-50 F a n A la F a n A la Optional Second Power Module...

  • Page 22: Option Straps (S1 Through S5) On The Co Power Unit's Backplane

    S5) on the CO Power Unit’s backplane. Make sure that the screws are securely touching the contacts, but do not screw the straps too tight because doing so can damage the equipment. CO Power Unit Backplane October 2002 496-13695-01 3000-A2-GB41-50...

  • Page 23: Settings For Independent Mode

    Procedure 1. Tighten the screws on all five straps (S1 through S5) on the CO Power Unit’s backplane. Make sure 3000-A2-GB41-50 that the screws are securely touching the contacts, but do not screw the straps too tight because doing so can damage the equipment.
  • Page 24 CO Power Unit. (For instructions on how to install the SDCP ribbon cable, see the SDCP Ribbon Cable Installation section in the COMSPHERE 3000 Series Carrier Installation Manual.) After installing the CO Power Unit, you can then install the SDCP. (For instructions on how to install the SDCP, see Installing the SDCP section later in this chapter.)

  • Page 25: Co Power Unit Installation

    Power Module 3. At the rear of the carrier, use a large flat-blade screwdriver to engage and tighten the two captive screws that fasten the CO Power Unit to the carrier. 3000-A2-GB41-50 SDCP Ribbon Cabll Flanges 3 0 0 d u le...

  • Page 26: Comsphere 3000 Series Carrier (Rear)

    MANAGEMENT CONNECTOR CAPTIVE SCREW Figure 2-4. COMSPHERE 3000 Series Carrier (Rear) Providing Power to a CO Power Unit After the CO Power Unit installation procedure is completed, you must provide power to the unit. There are a number of powering options available depending upon your configuration.

  • Page 27: Using One Power Source And One Input Power Cable For Basic (Shown) Or Redundant Mode

    Connectors –48 Vdc A –48 Vdc B Ground Return Optional Fuse –48V GRD –48 Vdc Power Source A 496-13755-01 Figure 2-5. Using One Power Source and One Input Power Cable for Basic (shown) or Redundant Mode 3000-A2-GB41-50 October 2002 2-11...
  • Page 28 Figures 2-5, 2-6, and 2-7 are optional as per your requirements.) An optional fuse should have a rating of 6 amperes, 250 volts and be a fast-acting type. Use a fuse similar to Littlefuse #312006. October 2002 3000-A2-GB41-50...

  • Page 29: Using Two Separate Power Sources For Independent Mode Or Redundant Mode

    –48 Vdc Power Source B Figure 2-6. Using Two Separate Power Sources for Independent Mode or Redundant Mode 3000-A2-GB41-50 (The option strap settings for this power option are listed in Table 2-5.) If you have two power cables and two separate –...

  • Page 30: Using One Power Source And Two Input Power Cables For Independent Mode Or Redundant Mode

    Connectors –48 Vdc A –48 Vdc B Ground Returns Optional Fuses –48V GRD –48 Vdc Power Source A 496-13676-01 Figure 2-7. Using One Power Source and Two Input Power Cables for Independent Mode or Redundant Mode 2-14 October 2002 3000-A2-GB41-50...

  • Page 31: Installing The Sdcp

    CO Power Unit from the carrier and follow the instructions in the SDCP Ribbon Cable Installation section in the COMSPHERE 3000 Series Carrier Installation Manual. NOTE This procedure is only used when installing an SDCP onto a carrier operating with a CO Power Unit.
  • Page 32 CO Power Unit has two power modules, to a CO alarm system, plug a customer-supplied mating connector (AMP part number 103957-4) and cable into the Alarm B connector. For pin assignments of the Alarm A and Alarm B connectors, see Appendix A of this guide. October 2002 3000-A2-GB41-50...

  • Page 33: Jumper Settings

    Left 3611-B4 Jumper E5 Left 3611-B4 Switch S1-2 3000-A2-GB41-50 After setting the jumpers, reinstall the Modular 3611 DSU in the carrier. Then, set the firmware configuration External Leads (Ext Leads, in the General branch) parameter as shown: Ext Leads: RPowr...
  • Page 34 Then, attach the ferrite choke to the NMS adapter cable. Plug the EIA-232 cable into the DB25 female end of the NMS adapter cable. Tighten the screws to hold the cable in place. See Figure 2-9. When the DTE Interface is EIA-232 October 2002 3000-A2-GB41-50...
  • Page 35 NMS adapter cable into the top Figure 2-10. Connecting an NMS Adapter Cable to a Modular 3611 DSU 3000-A2-GB41-50 connector of the rear connector plate. Note that the DB25 female end of the NMS adapter cable has no connection.

  • Page 36: Air Filter And Brackets Installation (Optional)

    However, the air filter brackets and screws are supplied with the CO Power Unit. Only the 3000-F1-020 air filter may be used. Under normal environmental conditions, you should inspect and/or replace the 3000-F1-020 air filter every three months.

  • Page 37: Air Filter Brackets Installation

    Installation PHILLIPS-HEAD SCREWS FILTER BRACKET FILTER PHILLIPS-HEAD BRACKET SCREWS GRILL ON CO POWER TRAY 491-13697 BOTTOM VIEW OF CO POWER TRAY Figure 2-11. Air Filter Brackets Installation 3000-A2-GB41-50 October 2002 2-21...
  • Page 38 COMSPHERE –48 Vdc Central Office Power Unit This page intentionally left blank. 2-22 October 2002 3000-A2-GB41-50...

  • Page 39: Power Module Replacement Instructions

    When a failure occurs, an alarm indication light appears on the faceplate of the affected power module. 3000 DC Power Module 3000-A2-GB41-50 ..........

  • Page 40: Troubleshooting

    In all modes of operation, if the Power LED is not lit, check the input power source and external fuses before replacing the power module. If – 48V is present at the input connector, replace the power module. If – 48V is not present, check your distribution system. October 2002 3000-A2-GB41-50...

  • Page 41: Replacing A Power Module

    Leaving half of the CO Power Unit exposed is a safety hazard. 3000-A2-GB41-50 To replace a power module (refer to Figure 3-2): The power module replacement procedure contained in this section must be performed by a qualified service person.

  • Page 42: Preventive Maintenance

    CO Power Unit. Once the power module is installed and proper operation is verified, then the SDCP can be mounted. Preventive Maintenance In normal environments, you should inspect and/or replace the optional air filter (part number 3000-F1-020) every three months. October 2002 3000-A2-GB41-50...
  • Page 43 CO Power Unit and an NMS alarm adapter cable. 3000-A2-GB41–50 Interface Connections ............

  • Page 44: A-1. Co Power Unit (Rear)

    1-480698-0). Table A-2 lists AMP part numbers for the individual contacts that can be used for various wire sizes. Figure A-2 illustrates the connector housing and contact. October 2002 Connector –48 Vdc A Connector Common –48 Vdc 496-13699-01 3000-A2-GB41-50...

  • Page 45: A-2. Connector Housing And Contact

    24 –18 AWG 20 –14 AWG 20 –14 AWG 12 –10 AWG Six contacts are provided in the installation kit. Figure A-2. Connector Housing and Contact 3000-A2-GB41–50 Table A-2 AMP Part Numbers Insulation Diameter 04 –10 06 –13 13 –20 20 max.

  • Page 46: A-3 Pin Assignments For The Co Alarm System Outputs

    1900 rpm. CAUTION The relay contacts on the CO Power Unit for the CO alarm system have a rating of 0.1 amp maximum at 70 Vdc maximum. October 2002 3000-A2-GB41-50...
  • Page 47 This pin only functions as a +12 Vdc source when Jumper J21 is set as shown in Figure 2-10 of Chapter 2. 3000-A2-GB41–50 voltage output circuits, and that a fan failure alarm signal is sent if the fan speed falls below 1900 rpm.

  • Page 48: A-3. Nms Adapter Cable (Feature Number 3000-F2-510)

    COMSPHERE –48 Vdc Central Office Power Unit Figure A-3. NMS Adapter Cable (Feature Number 3000-F2-510) October 2002 3000-A2-GB41-50...
  • Page 49 Used with a modular DSU, such as the Modular 3611 DSU. The rear connector plate is a panel that is attached to the rear of the 3000 Series Carrier. It contains two DTE connectors and functions as an interface between the Modular 3611 DSU and the DTE.
  • Page 50 (NMS) Glossary-2 A circuit card that plugs into a dedicated slot in the COMSPHERE 3000 Series Carrier to provide the shared diagnostic control panel and network management interfaces to the DSUs in the carrier. It translates the network management protocol to the devices in the carrier and routes incoming messages to the appropriate slots.
  • Page 51 1-5 backplane, 2-6 Basic mode, 1-2, 2-1 strap setting, 2-6 using one power source, one cable, 2-12 brackets, installation, 2-21, 2-22 3000-A2-GB41-50 Index carrier, rear, 2-11 CO power, unit with one power module, 1-3 with two power modules, 1-3...
  • Page 52 A-5 alarm outputs, A-5 one power source, 2-12 operating temperature, 1-4 option straps location on backplane, 2-6 on power module, 2-7 setting, 2-6 out of warranty, 1-6 outputs alarm system, A-4 pin assignments, A-4 NMS alarm, A-5 October 2002 3000-A2-GB41-50...
  • Page 53 Basic mode, 2-6 Independent mode, 2-7 Redundant mode, 2-8 straps, setting, 2-6 support, services, 1-6 system outputs, alarm, A-4 3000-A2-GB41-50 technical specifications, 1-4 temperature, 1-4 ambient, 2-2 troubleshooting, 3-1, 3-2 two power sources, 2-14 UL, 1-5 V.35 interface, connecting NMS adapter cable, 2-20...
  • Page 54 COMSPHERE –48 Vdc Central Office Power Unit Index-4 October 2002 3000-A2-GB41-50...

This manual is also suitable for:

Comsphere 3600 seriesComsphere –48 vdc

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