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Elastic Networks ELMo 120 Installation And Maintenance Manual

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08-01023-01
Elastic Networks
ELMo 120 Multiplexer
Installation and Maintenance Guide
Revision: 2.01
Publication Date: November 1999

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Summary of Contents for Elastic Networks ELMo 120

  • Page 1 08-01023-01 Elastic Networks ELMo 120 Multiplexer Installation and Maintenance Guide Revision: 2.01 Publication Date: November 1999...
  • Page 3 © 1999 Elastic Networks All rights reserved All information contained in this document is subject to change without notice. Elastic Networks reserves the right to make changes to equipment design or program components, as progress in engineering, manufacturing methods, or other circumstances may warrant.
  • Page 4 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...
  • Page 5 Publication history November 1999 Document release for general publication. Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...
  • Page 6 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 7: Table Of Contents

    ELMo 120 Multiplexer installation and testing Chapter task list Task: Installing the ELMo 120 Multiplexer modem and voiceband filter shelves Task: Connecting power to the ELMo 120 Multiplexer modem shelf Task: Installing the data network connection 2-10 Task: Installing ELMo 120 Multiplexer connections for...
  • Page 8 Cable connections ELMo 120 Multiplexer equipment installation Data network equipment configuration Equipment failure Maintenance checklists Appendix A - ELMo 120 Multiplexer installation requirements A-1 ELMo 120 Multiplexer support equipment Bay requirements and specifications Power specifications Grounding environment specifications Network support equipment...

  • Page 9: About This Document

    This document contains the installation and maintenance procedures for the ELMo 120 Multiplexer shelf. Audience This document is intended for installation technicians charged with installing and maintaining the ELMo 120 Multiplexer in an EtherLoop system. Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide...
  • Page 10 About this document Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 11: Introducing The Elmo 120 Multiplexer

    Introducing the ELMo 120 Multiplexer This document describes the installation and maintenance procedures for the ELMo 120 Multiplexer. The ELMo 120 Multiplexer shelf is the backbone component of an EtherLoop system, supporting 120 Elite modems in voice/data or data-only applications.

  • Page 12: Elmo 120 Multiplexer Shelf

    Ethernet 10/100Base-T switch card • EtherLoop 12:1 multiplexer modem cards (10) Figure 1-1 shows the front view of the ELMo 120 Multiplexer shelf. Figure 1-2 shows the connections on the ELMo 120 Multiplexer shelf backplane. The following sections briefly describe the ELMo 120 Multiplexer shelf components.
  • Page 13 Introducing the ELMo 120 Multiplexer 1-3 Figure 1-2 ELMo 120 Multiplexer backplane connections ELMo 120 Modem Connectors Power Not Used Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 14: Elmo 120 Multiplexer Components

    ELMo 120 Multiplexer components. Ethernet 10/100Base-T Switch card The Ethernet 10/100Base-T switch card collects the Ethernet traffic generated by the ELMo 120 Multiplexer modem cards and passes it to the local data network. Switch card ports The Switch card has two "up-link" Ethernet ports and one "interconnect" port on the front faceplate of the card.

  • Page 15: Voiceband Filter Shelf

    Introducing the ELMo 120 Multiplexer 1-5 Voiceband filter shelf l The voiceband filter shelf is used with the ELMo 120 Multiplexer in EtherLoop applications where voice service is required. The voiceband filter cards remove out-of-voiceband signals from the voiceband traffic between the Elite modems and the external voice facility equipment.

  • Page 16: Voiceband Filtershelf Connectors

    (PSTN or PBX). The middle row supports the connection from the customer premise equipment (CPE) lines. The bottom row supports the connection from the ELMo 120 Modem cards. Figure 1-4 shows the voiceband filter shelf. Figure 1-4...

  • Page 17: Elmo 120 Multiplexer Installation And Testing

    ELMo 120 Multiplexer installation and testing This chapter contains the procedures for installing and testing the ELMo 120 Multiplexer. Chapter task list This chapter includes the following tasks. Task Installing the ELMo 120 Multiplexer modem and page 2-2 voiceband filter shelves...

  • Page 18: Task: Installing The Elmo 120 Multiplexer Modem And Voiceband Filter Shelves

    2-2 ELMo 120 Multiplexer installation and testing Task: Installing the ELMo 120 Multiplexer modem and voiceband filter shelves Use this procedure to install the ELMo 120 Multiplexer modem shelf and voiceband filter shelf. The voiceband filter shelf is not required in data-only applications. Requirements This procedure requires the following: •...
  • Page 19 ELMo 120 Multiplexer installation and testing 2-3 Installing the ELMo 120 Multiplexer modem and voiceband filter shelves (continued) Action Step Action Select and apply antistatic protection. CAUTION Antistatic protection required The ELMo 120 Multiplexer shelves are shipped with the circuit packs installed. When handling any circuit pack, you must use some form of antistatic protection.
  • Page 20 2-4 ELMo 120 Multiplexer installation and testing Installing the ELMo 120 Multiplexer modem and voiceband filter shelves (continued) Step Action Using the shelf mounting screws provided in the shelf hardware kit, fasten the left and right side flanges to the bay as shown in Figure 2-2.
  • Page 21 ELMo 120 Multiplexer installation and testing 2-5 Installing the ELMo 120 Multiplexer modem and voiceband filter shelves (continued) Step Action Proceed acording to the following table: If the application is Then voice/data Align and mount a voiceband filter shelf directly above the ELMo 120 modem shelf as shown in Figure 2-3.

  • Page 22: Task: Connecting Power To The Elmo 120 Multiplexer Modem Shelf

    Ensure that the cards completely dislodge from their backplane connectors. CAUTION Serious equipment damage Never connect untested power to the ELMo 120 with any circuit packs installed. If the power feed polarities happen to be reversed, the ELMo 120 shelf and rectifier could be seriously damaged.
  • Page 23 ELMo 120 Multiplexer installation and testing 2-7 Connecting power to the ELMo 120 Multiplexer modem shelf With the power supply turned off, connect the leads of the ELMo 120 power harness to the -48 V dc power source according to the following table:...
  • Page 24 Connecting power to the ELMo 120 Multiplexer modem shelf (continued) Step Action Route the other end of the ELMo 120 Multiplexer power harness to the power connector on the backplane of the ELMo 120 Multiplexer modem shelf. Connect the ELMo 120 Multiplexer power harness to the matching connector on the ELMo 120 Multiplexer backplane.
  • Page 25 ELMo 120 Multiplexer installation and testing 2-9 Connecting power to the ELMo 120 Multiplexer modem shelf (continued) Step Action Turn ON the -48 V dc power supply. Using an appropriate volt-ohm meter, test the power feed at the shelf backplane connection. Verify that the red power feed at the shelf is the -48 V dc supply.

  • Page 26: Task: Installing The Data Network Connection

    2-10 ELMo 120 Multiplexer installation and testing Task: Installing the data network connection Use this procedure to connect the ELMo 120 Multiplexer to the Ethernet data network. Requirements This procedure requires the following: • Ethernet 10/100Base-T data network installed •...
  • Page 27 ELMo 120. Route the other end of the cable to the Ethernet 10/100Base-T Switch card slot on the front of the ELMo 120 Multiplexer modem card shelf. Figure 2-6 shows a typical ELMo 120 data network connection requirements.
  • Page 28 2-12 ELMo 120 Multiplexer installation and testing Installing the data network connection (continued) Step Action Connect the RJ-45 plug to one of the three RJ-45 receptacles on the front faceplate of the Ethernet 10/100Base-T Switch card. See Figure 2-7. Figure 2-7...
  • Page 29 EtherLoop hub/router port, indicating connectivity is established from the ELMo 120 shelf to the hub/router. Note: If a 10/100Base-T port on the ELMo 120 Switch card is connected to a 10Base-T network, that port LED should illuminate yellow-orange. If a 10/100Base-T port on the ELMo 120 Switch card is connected to a 100Base-T network, that port LED should illuminate green.

  • Page 30: Task: Installing Elmo 120 Multiplexer Connections For Data-Only Service

    2-14 ELMo 120 Multiplexer installation and testing Task: Installing ELMo 120 Multiplexer connections for data-only service Use this procedure to connect the ELMo 120 Multiplexer to the EtherLoop cross-connect in applications where no voice service is required. Requirements This procedure requires the following tools and materials: •...
  • Page 31 Installing ELMo 120 Multiplexer connections for data-only service (continued) Step Action Connect the J1/J2 split connectors on the ELMo 120 Multiplexer cable harness to the matching J1/J2 modem connectors of two adjacent modem cards in the ELMo 120 Multiplexer shelf. See Figure 2-8.
  • Page 32 Secure all cables in accordance with local office procedures. Record the EtherLoop connection assignments. This concludes the ELMo 120 Multiplexer data-only installation. Go to “Testing the ELMo 120 Multiplexer installation” on page 2-24. STOP You have completed this task. Revision 2.01...

  • Page 33: Task: Installing Elmo 120 Multiplexer Connections For Voice/Data Service

    ELMo 120 Multiplexer installation and testing 2-17 Task: Installing ELMo 120 Multiplexer connections for voice/data service Use this procedure to connect the ELMo 120 Multiplexer to the EtherLoop cross-connect in voice/data applications. Requirements This procedure requires the following tools and materials: •...
  • Page 34 2-18 ELMo 120 Multiplexer installation and testing Installing ELMo 120 Multiplexer connections for voice/data service (continued) Connect the two split connectors of an ELMo 120 cable harness to the "Voice Network" connectors of two adjacent filter cards in the voiceband filter shelf.
  • Page 35 ELMo 120 Multiplexer installation and testing 2-19 Installing ELMo 120 Multiplexer connections for voice/data service (continued) Connect the two split connectors of a second ELMo 120 cable harness to the "Line CPE" connectors of the same two filter cards connected in step 5. See Figure 2-12.
  • Page 36 2-20 ELMo 120 Multiplexer installation and testing Installing ELMo 120 Multiplexer connections for voice/data service (continued) Connect the "Filter" connector on the ELMo 120 Multiplexer data jumper cable to the "Data Modem" connector on each filter card. Figure 2-14 ELMo 120 Multiplexer data jumper connections on the filter shelf...
  • Page 37 ELMo 120 Multiplexer installation and testing 2-21 Installing ELMo 120 Multiplexer connections for voice/data service (continued) Connect the "Modem" connector on the ELMo 120 Multiplexer data jumper cable to the appropriate J1/J2 modem connectors for each modem card. Figure 2-15 shows the ELMo 120 Multiplexer the complete voice/data connections for one pair of Modem cards.

  • Page 38: Task: Installing The Connections To The External Voice Facility

    2-22 ELMo 120 Multiplexer installation and testing Task: Installing the connections to the external voice facility Use this procedure to connect the ELMo 120 Multiplexer lines to an external voice facility. Requirements This procedure requires the following tools and materials: •...
  • Page 39 Record the EtherLoop cross-connect Tip/Ring assignments for the voice facility according to local office procedures. This concludes the ELMo 120 Multiplexer voice/data installation. Go to “Testing the ELMo 120 Multiplexer installation” on page 2-24. STOP You have completed this task.

  • Page 40: Testing The Elmo 120 Multiplexer Installation

    ELMo 120 test point diagrams Figure 2-16 on page 2-25 shows the schematic layout and primary test points of an ELMo 120 voice/data system. Figure 2-17 on page 2-26 shows the schematic layout and primary test points of an ELMo 120 data-only system.
  • Page 41 ELMo 120 Multiplexer installation and testing 2-25 Figure 2-16 ELMo 120 voice/data system test points Main Distribution Frame Customer Premise PSTN or PBX cross-connect cross-connect RJ-11 RJ-11 Wall Jack Test Point Tip/Ring RJ-45 Jumper Pairs Test Elite Point Circuit Circuit...
  • Page 42 2-26 ELMo 120 Multiplexer installation and testing Figure 2-17 ELMo 120 data-only system test points Main Distribution Frame Customer Premise cross-connect RJ-11 RJ-11 Wall Jack Test Tip/Ring Point RJ-45 Jumper Pairs Test Elite Point Circuit Modem Path-OUT Intermediat e cable...

  • Page 43: Task: Testing Voice Connectivity

    Action Step Action Identify the voice line being tested. Switch the power switch on the ELMo 120 Multiplexer Power card to the ON position. Connect the hand test set Tip and Ring to the Tip/Ring pair at the customer premise cross-connect (Test Point #1 in Figure 2-17 on page 2-26).

  • Page 44: Task: Testing Data Connectivity

    Elite Modem Installation Guide . Connect power to the Elite modem. Switch the power switch on the ELMo 120 Multiplexer Power card to the ON position. Observe the Elite modem and ELMo 120 Modem card LEDs. After about 4-5 minutes, all LEDs at both the ELMo 120 Multiplexer and CPE locations should be green, with the transfer LEDs flickering.

  • Page 45: Task: Etherloop End-To-End Testing

    ELMo 120 Multiplexer installation and testing 2-29 Task: EtherLoop end-to-end testing This procedure verifies the EtherLoop system installation, including simultaneous voice and data EtherLoop tests from the Elite modem to the voice and data networks. Requirements The EtherLoop end-to-end system testing requirements include the following: •...
  • Page 46 EtherLoop end-to-end testing (continued) Action Step Action Identify the modem pair being tested. Switch the power switch on the ELMo 120 Multiplexer Power card to the ON position. Verify dial tone on the room phone. If the laptop is running, shut it down.

  • Page 47: Contents

    ELMo 120 Multiplexer maintenance Chapter contents This chapter contains the following information. Topic Maintenance guidelines page 3-2 Maintenance checklists page 3-3 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 48: Maintenance Guidelines

    For example, IP addresses must be correct, and the network router must be configured properly. Equipment failure The LEDs on the ELMo 120 Multiplexer shelf and on the Elite modem indicate any equipment failures in the EtherLoop system. Revision 2.01...

  • Page 49: Maintenance Checklists

    • Verify that Filter card is present in correct slot and fully seated in ELMo 120 backplane connection • Replace Filter card in ELMo 120 shelf to check for bad card Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide...
  • Page 50 • Check/replace Filter card in voiceband filter shelf • See “Voice and data connectivity maintenance in facility room” checklist Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 51: Appendix A - Elmo 120 Multiplexer Installation Requirements

    Appendix A - ELMo 120 Multiplexer installation requirements This appendix describes the facility requirements for the ELMo 120 Multiplexer shelf and voiceband filter shelf. Chapter Contents This chapter contains the following information. Topic ELMo 120 Multiplexer support equipment ELMo 120 Multiplexer installation accessory requirements...

  • Page 52: Elmo 120 Multiplexer Support Equipment

    A-2 Appendix A - ELMo 120 Multiplexer installation requirements ELMo 120 Multiplexer support equipment Equipment and materials that must be installed to support the ELMo 120 Multiplexer shelf include the following: • telecommunications bay/rack to support the ELMo 120 Multiplexer shelf and the auxiliary filter shelf (if applicable) •...

  • Page 53: Power Specifications

    Multiplexer shelf must meet local electrical codes and Integrated Building Distribution Network (IBDN) standards. The grounding environment for the ELMo 120 Multiplexer shelf and its supporting bay can be either a Common Bonding Network (CBN) or an Isolated Bonding Network (IBN) environment.

  • Page 54: Network Support Equipment

    Network support equipment The network support equipment that may need to be installed includes the following: • Ethernet 10Base-T hub port for ELMo 120 Hub card connection (one per ELMo 120 shelf) • Ethernet 10Base-T hub ports for NSS/InterProxy (two per NSS) •...
  • Page 55 Appendix A - ELMo 120 Multiplexer installation requirements A-5 ELMo 120 Multiplexer installation accessory requirements Table A-2 lists the cables and accessories required for the ELMo 120 installation. See Appendix B for more information about the ELMo 120 Multiplexer cables.

  • Page 56: Elmo 120 Multiplexer Installation Tools And Materials

    A-6 Appendix A - ELMo 120 Multiplexer installation requirements ELMo 120 Multiplexer installation tools and materials The tools and materials required to install the ELMo 120 shelf include the following: • 4-bay mounting screws • 1-medium Phillips-head screwdriver • 1-cross-connect block matching the existing blocks used in the facility MDF, such as Siemon R66, BIX, or AT&T 110 cross-connect blocks...

  • Page 57: Elmo 120 Installation Site Requirements

    Appendix A - ELMo 120 Multiplexer installation requirements A-7 ELMo 120 installation site requirements Table A-5 presents the installation site requirements for the ELMo 120 shelf. Table A-5 ELMo 120 operational requirements Specification Requirement Local area network environment TCP/IP over Ethernet...
  • Page 58 A-8 Appendix A - ELMo 120 Multiplexer installation requirements Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 59: Appendix B - Elmo 120 Multiplexer Cabling Specifications

    This appendix contains the specifications for the cabling used with the ELMo 120 Multiplexer shelf. Chapter Contents This chapter includes the following information. Topic ELMo 120 Multiplexer cable specifications page B-2 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 60: Elmo 120 Multiplexer Cable Specifications

    (J1 and J2) ELMo 120 Multiplexer cable harness pin and pair assignments Table B-1 on page B-3 presents the pair and pin assignments for the ELMo 120 Multiplexer cable harness. Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide...
  • Page 61 Appendix B - ELMo 120 Multiplexer cabling specifications B-3 Table B-1 ELMo 120 Interconnect cable harness - pin and pair assignments Tip/ Pins Color Connection Tip/ Pins Color Connection Ring code Assignment Ring Code Assignment Pair Pair W/BL /Tip BK/G...

  • Page 62: Elmo 120 Multiplexer Data Jumper Cable

    B-4 Appendix B - ELMo 120 Multiplexer cabling specifications ELMo 120 Multiplexer data jumper cable Figure B-2 shows the ELMo 120 Multiplexer data jumper cable. The ELMo 120 Multiplexer data jumper cables are used to pass data traffic from the filter shelf ELMo 120 Multiplexer shelf in voice/data applications.

  • Page 63: Intermediate Cable Specifications

    Appendix B - ELMo 120 Multiplexer cabling specifications B-5 Intermediate cable specifications ELMo 120 Intermediate cables can be obtained "off-the-shelf" from a variety of vendors, as long as cables chosen meet the following specifications: • Category 5 bundled 25-pair cable made of 24 AWG wires •...

  • Page 64: Elmo 120 Multiplexer Power Cable

    (Two not shown) Power connector terminations The end of the ELMo 120 Multiplexer power cable assembly that connects to the power source has two red and two black leads. Each lead is terminated with 24-4 ring clips. The ELMo 120 power cable assembly must terminate at the...

  • Page 65: Category 5 Ethernet Cabling Specifications

    8 ft (2.4 m) Ethernet straight cable requirements The Elastic ELMo 120 Ethernet straight cables are color-coded solid yellow. Table B-3 lists the ELMo 120 Ethernet straight cable lengths offered by Elastic Networks. Table B-3 ELMo 120 Ethernet straight cables...
  • Page 66 B-8 Appendix B - ELMo 120 Multiplexer cabling specifications Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...
  • Page 67 CBN grounding environment A-4 Data network connection procedure 2-6 connection procedure 2-10 grounding specifications A-3 Data-only application IBN grounding environment A-4 installing connections 2-14 specifications A-3 shelf installation procedure 2-2 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...
  • Page 68 ELMo 120 Multiplexer 3-1 testing connectivity EtherLoop system external network 2-29 guidelines 3-2 maintenance checklist 3-3 Modem card Filter shelf card and port numbering 1-4 See Voiceband filter shelf description 1-4 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...
  • Page 69 Switch card connection procedure 2-10 description 1-4 port description 1-4 Testing ELMo 120 shelf data connectivity 2-28 voice connectivity 2-27 EtherLoop system testing locations 2-24 procedure end-to-end EtherLoop test 2-29 Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 70: I-4 Index

    I-4 Index Revision 2.01 ELMo 120 Multiplexer Installation and Maintenance Guide 08-01023-01...

  • Page 72: Revision: 2.01

    © 1999 Elastic Networks All rights reserved The information contained in this document is subject to change without notice. Elastic Networks reserves the right to make changes to equipment design or program components, as progress in engineering, manufacturing methods, or other circumstances may warrant.

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