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ChannelWorks
Network Installer's Guide
Part Number: EK-DECTV-IN. B01

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Summary of Contents for Digital Equipment ChannelWorks

  • Page 1 ChannelWorks Network Installer’s Guide Part Number: EK-DECTV-IN. B01...
  • Page 2 Federal Communications Commission (FCC) Radio Frequency Interference Statement The following statement applies only to the ChannelWorks bridge: This equipment generates, uses, and may emit radio frequency energy. The equipment has been type tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC rules, which are deigned to provide reasonable protection against such radio frequency interference.
  • Page 3 ChannelWorks Network Installer’s Guide February 1994 This manual, in conjunction with the ChannelWorks Cable TV Installer’s Guide and the ChannelWorks Management manual, describes how to install the ChannelWorks bridge. This manual is intended for the hardware installer and network manager.
  • Page 4 No responsibility is assumed for the use or reliability of software on equipment that is not sup- plied by Digital or its affiliated companies. Digital Equipment Corporation makes no representations that the use of its products in the man- ner described in this publication will not infringe on existing or future patent rights, nor do the descriptions contained in this publication imply the granting of licenses to make, use, or sell equipment or software in accordance with the description.
  • Page 5 EMC Class A Notices Warning - This is a Class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate mea- sures. Achtung - Diese ist ein Gerat Funkstorgrenzwertklasse A. In Wohnbereichen konnen bei Betreib dieses Gerates Rundfunkstorungen auftreten, in welchen Fallen der Benutzer fur entsprechende Gegenmassnahmen verantwortlich ist.
  • Page 6 Schallemissionswerte - Werteangaben nach ISO 9296 und ISO 7779/DIN EN27779 Schalleistungspegel Schalldruckpegel WAd, pAm, (Zuschauerpositionen) Produkt Leerlauf/Betrieb Leerlauf/Betrieb DECTV-AB [Aktuelle Werte f|r spezielle Ausr|stungsstufen sind |ber die Digital Equipment Vertre- tungen erhdltlich. 1 B = 10 dBA.] Nippon - Japan...
  • Page 7: Table Of Contents

    User Levels ........................... 3-6 Level One ........................3-6 Level Two........................3-6 Level Three........................3-6 Connecting A PC To The ChannelWorks Bridge Serial Port..........3-7 Selecting The Communications Port ..................3-9 Reading The ChannelWorks Bridge Parameters ..............3-10 Verifying The ChannelWorks Bridge Parameters.............. 3-11 Modifying And Loading The ChannelWorks Bridge Parameters ........
  • Page 8 Contents Starting The ChannelWorks Bridge Introduction ..........................4-1 Verifying Start Up........................4-1 Locating The Cable TV And Ethernet Network Connections ............ 4-2 Cable TV Network........................ 4-2 Ethernet Network........................4-2 Start Up ............................4-3 Connecting To A Single-Cable, Cable TV Network ............4-6 Connecting To A Dual-Cable, Cable TV Network ..............
  • Page 9 Contents Figures 2-1 Shipping Container Contents With Optional Equipment ............2-3 2-2 The ChannelWorks Bridge Back Panel ................. 2-4 2-3 Cables And Connectors ......................2-5 2-4 The ChannelWorks Bridge Ventilation Areas............... 2-7 3-1 Directory Location Dialog Box ..................... 3-3 3-2 Create Program Group Dialog Box ..................3-3 3-3 Admin Pull Down Menu......................
  • Page 11 Preface About This Book The ChannelWorks Network Installer’s Guide is the first book in the series of cable TV bridge system documentation. It describes how to: • Unpack the shipping carton(s) • Connect cable TV network and Ethernet/802.3 network cables •...
  • Page 12 • Chapter 4, “Starting Up the ChannelWorks Bridge,” explains how to attach the ChannelWorks Bridge to a cable TV network and to an Ethernet network. This chapter also explains how to turn the power on and verify the ChannelWorks Bridge is operational.
  • Page 13 Meaning Italic Font Italic Font is used for titles books or to give special empha- sis. For example: For more information, refer to the ChannelWorks Cable TV Installer’s Guide. Special Type (Courier Font) indicates messages or prompts Special Type from the system that appear on your screen. For example: Configuration successfully installed.
  • Page 14 Refer to the following documents for further information: • ChannelWorks Cable TV Installer’s Guide - Describes setting up the cable TV hea- dend trranslator, preparing the cable TV network for data communications, config- uring and installing the ChannelWorks Bridge, and TransMaster frequency switch settings.
  • Page 15 Symbols The following international symbols appear in this book when you must perform pro- cedures requiring proximity to electrical current. Caution - You risk damaging your equipment if you do not heed the instructions. Achtung - Wenn Sie die Anweisungen nicht beachten, könnten Sie Ihre Geräte beschä- digen.
  • Page 16 ChannelWorks Bridge may not meet regulatory compliance if modified. Placement of the ChannelWorks Bridge Caution - To ensure reliable operation of the ChannelWorks Bridge and to protect it from overheating, openings in the equipment must not be blocked or covered. The ChannelWorks Bridge should never be placed near a radiator heat register.
  • Page 17 To reduce the risk of electrical shock, do not plug the ChannelWorks Bridge into any other type of power system. Contact your facilities manager or certified electrician if you are not sure what type of power is sup- plied to your building.
  • Page 18 The ChannelWorks Bridge Cover Warning - It is not safe to operate the ChannelWorks Bridge without the cover in place. Failure to take this precaution may result in personal injury and system damage.
  • Page 19 Known Problems The following items are under investigation: 1. The ChannelWorks Bridge operation has been verified at frequencies correspond- ing to standard NCTA channel assignments. For optimal receiver operation avoid using the following forward (RX) frequencies: • 79.000 MHz •...
  • Page 20 ChannelWorks Network Installer’s Guide...
  • Page 21: Introduction

    Introduction Introduction This manual explains how to install the ChannelWorks Bridge, a 10 Mb/s, Ethernet-to- cable TV, transparent, spanning-tree bridge. This chapter covers the following topics: • Tasks that need to be completed before beginning installation • Tools necessary for installation •...
  • Page 22: Required Tools And Materials

    • The signal path must meet conditions as specified in the ChannelWorks Cable TV Installer’s Guide and documented for your specific installation site in the Pre- Installation Checklist.
  • Page 23: Introduction

    If there is evidence of damage to the carton, arrange for an agent of the carrier to be present when you remove the ChannelWorks Bridge. • Remove the bridge and the remaining contents of the shipping carton. The ChannelWorks Bridge is packed tightly in protective foam molds. Carefully remove it from the carton.
  • Page 24: Taking Inventory

    Check the packing slip to verify you have everything you ordered. Figure 2-1 shows the basic parts of the ChannelWorks Bridge. Figure 2-1 also shows additional parts that you may have ordered, such as rack or wall mounts. Refer to the documentation that comes with the separately ordered rack or wall mounts for directions on setting up the ChannelWorks Bridge in a rack or on a wall.
  • Page 25: Shipping Container Contents With Optional Equipment

    Figure 2-1 Shipping Container Contents With Optional Equipment Contents Network Installer’s Guide ChannelWorks Subscriber Utility (LCS) Unit Power Cord Additional Parts Ordered Separately Coaxial Cables Diplex Filter Rack Mount Bracket Wall Mount Bracket Physical Installation 2-3...
  • Page 26: Examining The Channelworks Bridge

    Examining The ChannelWorks Bridge Examine the ChannelWorks Bridge to locate the parts on the back panel as you connect the rest of the system. Figure 2-2 shows the locations of the following items: Ethernet ports, serial port, cable TV transmit and receive ports, power input receptacle and the AC On/Off switch.
  • Page 27: Identifying Cables And Connectors

    Identifying Cables And Connectors Use Figure 2-3 to identify cables that you need. Refer to this figure as you follow the procedures in Chapter 4 for setting up the system and for installing the ChannelWorks Bridge on the Ethernet and cable TV networks.
  • Page 28: Selecting An Installation Area

    ChannelWorks Bridge, as well as for the cables and power cord. Caution - The ChannelWorks Bridge has vents on its front panel and a slot along its bottom front edge for air intake. It also has a fan on its back panel. When you place the ChannelWorks Bridge, make sure that objects do not block the vents on the front panel or slot along its bottom or the fan on the back.
  • Page 29: Power And Grounding Requirements

    Power And Grounding Requirements The ChannelWorks Bridge uses nominal input voltages of 100 to 120 V or 220 to 240 V at 60 or 50 Hz, respectively. The ChannelWorks Bridge is designed to work with single-phase power systems having a grounded neutral conductor.
  • Page 30: Cable Lengths

    75-ohm, RG6 coaxial drop cable. Your cable TV system may use either a single drop cable or a dual drop cable. The ChannelWorks Bridge can be connected to the cable TV network by either single or dual drop cable. For details about connecting the ChannelWorks Bridge to the cable TV network, refer to Chapter 4.
  • Page 31 Attention - L'utilisation d'un câble TV ou Ethernet inapproprié peut réduire les perfor- mances de ChannelWorks Bridge et présenter un caractère dangereux. Precaución - La utilización de un cable TV o un cable Ethernet inadecuado puede degradar el rendimiento de ChannelWorks Bridge y además, resultar peligroso. Physical Installation 2-9...
  • Page 32 2-10 ChannelWorks Network Installer’s Guide...
  • Page 33: Set-Up And First Steps

    A terminal emulator application such as Procomm Plus for Windows or Win- dows’ Terminal You must be familiar with Windows applications and the operation of a PC. The following sections describe how to verify the ChannelWorks Bridge parameters and modify the bridge’s parameters using LCS.
  • Page 34: Installing The Lancity Subscriber Utility On A Pc

    You use the LCS to access the bridge’s NVRAM and verify the bridge’s parameters. The LCS floppy is shipped with the ChannelWorks Bridge. Refer to Figure 2-1 in Chapter 2, “Physical Installation” for a description of items included in the Channel- Works Bridge shipping container.
  • Page 35 Figure 3-1 Directory Location Dialog Box LCS Install Utility Figure 3-2 Create Program Group Dialog Box LCS Install Utility Set-Up and First Steps 3-3...
  • Page 36: Setting Up User Accounts

    Setting Up User Accounts You use LCS to perform verification and modification of ChannelWorks Bridge operat- ing parameters. To access LCS, you must have a user name, password and level stored in the utility’s database. Perform the following procedure to add a user. This procedure assumes that you have installed the utility on your PC’s hard drive and you have opened the Windows’...
  • Page 37 Figure 3-3 Admin Pull Down Menu LANcity Subscriber Utility - (defaults.dat) Add User Figure 3-4 Add User Entry Window Set-Up and First Steps 3-5...
  • Page 38: User Levels

    Start the terminal emulator • Choose and initialize the PC’s serial port • Open and save parameter files Level Three This level allows the user to add and delete users for levels of access described above. 3-6 ChannelWorks Network Installer’s Guide...
  • Page 39: Connecting A Pc To The Channelworks Bridge Serial Port

    1. Plug the unit into its power outlet. Note: Do not connect the network cables at this time and do not turn the ChannelWorks Bridge on yet. 2. Plug in the PC and attach the nine-pin null modem cable between the PC and the ChannelWorks Bridge.
  • Page 40: Channelworks Bridge Power On Diagnostics

    10. Press the Spacebar twice, within 10 seconds after the ChannelWorks Bridge power-on diagnostics passes the ASIC Interrupt and Loopback Test and displays three periods in the left margin. This action prevents the ChannelWorks Bridge from performing its application boot at the end of its power up process. Approximately 30 seconds after you press the Spacebar, the ChannelWorks Bridge lists its memory sizes and displays its PROM monitor prompt of two greater than signs (>>).
  • Page 41: Selecting The Communications Port

    This procedure assumes that you have performed the procedures in the “Installing The LANcity Subscriber Utility on A PC” section and the procedures in the “Connecting A PC to The ChannelWorks Bridge Serial Port” section. 1. With LCS displaying its Main Menu, click on Communication. The utility dis- plays the Communications Pull Down Menu.
  • Page 42: Reading The Channelworks Bridge Parameters

    Reading The ChannelWorks Bridge Parameters To access the ChannelWorks Bridge NVRAM and read the bridge’s current operating parameters, perform the following procedure: Note: This procedure assumes that you have performed the procedures in the “Installing The LANcity Subscriber Utility on A PC” section and the procedures in the “Connecting A PC to The ChannelWorks Bridge Serial Port”...
  • Page 43: Verifying The Channelworks Bridge Parameters

    Level One and Level Two users cannot modify the bridge’s transmit and receive fre- quencies. Verify that you have a list of the ChannelWorks Bridge parameters to check the param- eter values against. Refer to “Appendix B” for an example of the Pre-Installation Checklist.
  • Page 44: Channelworks Bridge Operating Parameters

    Table 3-1 ChannelWorks Bridge Operating Parameters Control Group/Parameter Name Usage Example Bridge Control Group Pacer Echo Test If set a bridge that is the Pacer will Enabled/Disabled participate in echo test Non Pacer Echo Test If set a bridge that is not the Pacer will...
  • Page 45 Table 3-1 ChannelWorks Bridge Operating Parameters (Cont.) Control Group/Parameter Name Usage Example Network Mngmnt Control Group SNMP Get Community Must be present in the SNMP get public request messages SNMP Set Community Must be present in the SNMP set private...
  • Page 46: Modifying And Loading The Channelworks Bridge Parameters

    PC to The ChannelWorks Bridge Serial Port” section. When the utility starts up, it loads its own parameter fields with default values. This operation does not affect the ChannelWorks Bridge attached to the PC. Also these val- ues do not reflect the actual state of the bridge.
  • Page 47 4. Verify that the information entered is correct, then click on Load to load the parameter in the unit’s NVRAM now. The Utility displays the Load parameter confirmation window. 5. Click on Yes if you wish to load the parameter. The Utility loads the parameter and returns you to the Main Menu.
  • Page 48: Loading Modified Select Parameter Groups

    4. Click on the parameter selections that you modified and saved to load at this time. 5. Click on OK. LCS loads the ChannelWorks Bridge NVRAM with the selected parameters. 6. Close the Main Menu and continue setting up the ChannelWorks Bridge for opera- tion. Figure 3-10 Bridge Load Window 3-16 ChannelWorks Network Installer’s Guide...
  • Page 49: Loading All Parameter Groups

    3. Click on the Load All Groups box. 4. Click on OK. LCS loads the ChannelWorks Bridge NVRAM with all group parameters. 5. Close the Main Menu and continue setting up the ChannelWorks Bridge for opera- tion. Set-Up and First Steps 3-17...
  • Page 50 3-18 ChannelWorks Network Installer’s Guide...
  • Page 51: Starting The Channelworks Bridge

    Powering up the ChannelWorks Bridge • Verifying the ChannelWorks Bridge is operational Verifying Start Up Leave the PC attached while you start up the unit. Turn the ChannelWorks Bridge power switch off. Verify the following: • Cable TV network is ready; transmit (TX) and receive (RX) frequencies have been assigned.
  • Page 52: Locating The Cable Tv And Ethernet Network Connections

    For a ThinWire Ethernet, you should have the ThinWire cable and a T connector. If you are installing the ChannelWorks Bridge to the end of an Ethernet ThinWire segment, remove the existing 50-ohm terminator from the T connector, connect the new ThinWire cable and T connector to the existing cable, and relocate the 50- ohm terminator to the end of the new T connector.
  • Page 53: Start Up

    1. Turn the unit off, but leave it connected to the power outlet. Do not connect any of the network cables. 2. Attach the cable TV cables to the ChannelWorks Bridge. Follow the procedure that describes your particular cable TV network.
  • Page 54 Refer to Figure 4-2 for the location of the Power LED and for other ChannelWorks Bridge LEDs. If these things do not happen, turn off the power and refer to Chapter 5.
  • Page 55: The Channelworks Bridge Led Indicators

    If the cable TV network’s cables are improperly connected, the Block Sync LED will not come on. 9. If there is traffic on either network, you will see the activity lights blink. Figure 4-2 The ChannelWorks Bridge LED Indicators Status LEDs Starting The ChannelWorks Bridge 4-5...
  • Page 56: Connecting To A Single-Cable, Cable Tv Network

    Connecting To A Single-Cable, Cable TV Network Referring to Figure 4-3 and continuing from step 1 of the Start Up procedure, perform the following procedure to attach the ChannelWorks Bridge to a single-cable, cable TV network: 1. Attach the single-cable TV network’s drop cable to the common F connector of the diplex filter.
  • Page 57 Figure 4-3 Connecting To A Single-Cable, Cable TV Network To Cable TV Network Tap High Diplex Filter Starting The ChannelWorks Bridge 4-7...
  • Page 58: Connecting To A Dual-Cable, Cable Tv Network

    Referring to Figure 4-4, and continuing from step 1 of the Start Up procedure, connect the cable TV network’s forward cable to the ChannelWorks Bridge RX (receive port. Then, connect the cable TV network’s return cable to the ChannelWorks Bridge TX (transmit ) port.
  • Page 59: Connecting To The Aui Port

    1. Push the slide latch of the ChannelWorks Bridge AUI port to the left. 2. Attach the Ethernet network’s AUI cable to the ChannelWorks Bridge AUI port. 3. Push the ChannelWorks Bridge AUI port’s slide latch to the right until it snaps into the locking position, securing the connector and cable.
  • Page 60: Connecting To The Bnc Port

    1. Connect the ChannelWorks Bridge to the Ethernet network by attaching a Thin- Wire T connector to the BNC port on the rear of the ChannelWorks Bridge and then connecting a segment of ThinWire cable to the ThinWire T connector.
  • Page 61: Connecting To The Rj-45 Port

    Continuing from step 2 of the Start Up procedure, perform the following procedure to connect the ChannelWorks Bridge to the Ethernet network using the RJ-45 port: 1. Connect the ChannelWorks Bridge to the Ethernet network by attaching a segment of RJ-45 cable to the bridge’s RJ-45 port.
  • Page 62 4-12 ChannelWorks Network Installer’s Guide...
  • Page 63: Troubleshooting

    Troubleshooting Introduction This chapter covers the following topics: • Power • Status • Block Sync • Activity Power LED If the power LED does not come on when you plug in the unit and turn the power switch on: • The power system is not on, or the power cord is not plugged in.
  • Page 64: Status Led

    Precaución - La unidad puede interrumpir a otros usuarios del sistema de cable TV. Desconectar la unidad del sistema de cable TV. No volver a conectarla hasta no haber completado los siguientes pasos: 5-2 ChannelWorks Network Installer’s Guide...
  • Page 65: Activity Leds

    There may be no devices locally or remotely connected to the network. • Verify that you have active devices locally on the network, and at a remote site that is attached to the same cable TV system through the ChannelWorks Bridge, on the same frequencies. •...
  • Page 66 5-4 ChannelWorks Network Installer’s Guide...
  • Page 67: Appendix A Cables For Serial Devices

    Appendix A Cables for Serial Devices Introduction To manage the ChannelWorks Bridge remotely, you can connect to its serial port through a dial-up connection using a 9600-baud modem. This appendix covers the fol- lowing topics: • Serial cables to connect the ChannelWorks Bridge to PCs and modems •...
  • Page 68: Serial Modem Cables

    Null modem cables are another type of serial cable used to connect a PC to the ChannelWorks Bridge. Null modem cable wires are attached to the pins in the connec- tors differently from how they are attached in a modem cable. The cable should have a 9-pin female connector for the ChannelWorks Bridge end, and a 9-pin female connec- tor for the PC end.
  • Page 69: Null Modem Cable Wiring

    If you have a PC without a 9-pin serial port, consult the service manual of the PC to determine which pins are active. You will have to wire the cable connectors according to the needs of both the PC and the ChannelWorks Bridge serial ports. Figure A-1...
  • Page 70 A-4 ChannelWorks Network Installer’s Guide...
  • Page 71: Appendix B Pre-Installation Checklist

    Appendix B Pre-Installation Checklist Introduction This appendix provides a sample copy of the Pre-Installation Checklist.
  • Page 72 B-2 ChannelWorks Network Installer’s Guide...
  • Page 73 CHANNELWORKS PRE-INSTALLATION CHECK LIST CONTENTS: Cable Plant -- Headend Evaluation Cable Plant Site Evaluation Ethernet Site Evaluation Site Topology PREPARED FOR: Name Company Address City, State, Zip REQUESTED BY: Digital Corporation Date Pre-Installation Checklist B-3...
  • Page 74 Purpose The purpose of this checklist is to verify proper conditions at a customer site prior to installation of a ChannelWorks network. It is assumed that the customer has access to an operational, two way Cable TV cable plant and that working Ethernet compatible equipment exists at the designated installation sites.
  • Page 75 CABLE PLANT - HEADEND EVALUATION Please answer the following questions. Please use additional pages to illustrate the proposed headend configuration with the translator installed. What is the assigned return center frequency? What is the return signal level that will be presented to the input of the dBmV translator? Is this level based on:...
  • Page 76 _____ RF Power Meter _____ RF Signal Generator _____ Other Who is the vendor of your Broadband active component? What are the model numbers for these active components? Are there any concerns, restrictions, or requirements? B-6 ChannelWorks Network Installer’s Guide...
  • Page 77 The required specifications for a ChannelWorks network are given in Table 2. Note that one of the required measurements is outlet to outlet variation. This is a target variation between signals transmitted at the network outlets as measured at the input to the translator.
  • Page 78 Carrier to 2nd Order Beat Carrier to 3rd Order Beat *NOTE: You use an LCT, which employs a 5.2 MHz filter, on single cable, cable TV plants. Therefore, inject the CW signal ±2.50 MHz from center. B-8 ChannelWorks Network Installer’s Guide...
  • Page 79 ETHERNET SITE EVALUATION Provide the following information for each site. Note that the Ethernet attachment to the ChannelWorks unit is made via one of three media types 10BASE5, 10BASE2, or 10BASE-T. Connections to 10BASE5 requires an external transceiver. if possible, include sketches of the configuration.
  • Page 80 Does this site have an assigned IP network number? ____ No _____ Yes (if yes, ______________ IP Network ______________ IP Sub-Net Mask) Is there a host address in this network number available for ChannelWorks? ____ No _____ Yes (if yes, ______________ ChannelWorks Assigned IP Address) Please utilize the following form to document the Ethernet and Cable Plant topology for each site by sketching below the appropriate configuration.
  • Page 81 Management Tools) that can be compiled for use and management of the Cable TV side. A standard SNMP platform can manage the Ethernet portion of the ChannelWorks bridge by utilizing standard MIB II or Bridge MIB. LCS/LCM is utilized by customers/installers to set-up the customized parameters for LCB such as IP address, etc.
  • Page 82 B-12 ChannelWorks Network Installer’s Guide...
  • Page 83 2-5, 2-6 grounded neutral conductor 2-7 Cable Lengths 2-5 Grounding 2-7 cable TV network 2-8 cable TV operator 4-8 ChannelWorks Bridge LEDs 4-4 headend 1-2, 4-8, 5-3 coaxial cable 4-6 highsplit 1-2, 4-2 coaxial drop cable 2-8 Common 3-12...
  • Page 84 System Group 3-8, 3-12 packing slip 2-1, 2-2 Parameter Name 3-11, 3-12 Parameters 1-2, 3-1, 5-3 taps 4-2, 5-3 Parity 3-6 T-connector 4-2, 4-10 password 3-4, 3-8 terminal emulator 1-2, 3-1, 3-6, 3-7, 3-8 passwords 3-2 thickwire 4-2,, 4-3 ChannelWorks Network Installer’s Guide...
  • Page 85 ThinWire 4-2, 4-3, 4-10 Timer Task Control Group 3-12 torque wrench 4-6 translator 1-2, 5-3 transmit 1-1, 2-4, 5-3 tripped circuit breakers 5-1 twisted-pair 4-2, 4-3 two-way active 1-2 TX 4-1, 4-8 UniLINK Group 3-12 Unique IP Address 3-12 Unique IP Addresses 3-13 Unique IP Addresses Group 3-8 Unpacking 2-1 user access levels 3-1...
  • Page 86 ChannelWorks Network Installer’s Guide...
  • Page 87 ChannelWorks Network Installer’s Guide EK-DECTV-IN. B01 READER’S COMMENTS What do you think of this manual? Your comments and suggestions will help us to improve the quality and usefulness of our publications. Please rate this manual: Poor Excellent Accuracy Readability Examples...
  • Page 88 DO NOT CUT - FOLD HERE AND TAPE NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES BUSINESS REPLY LABEL FIRST CLASS PERMIT NO. 33 MAYNARD MASS. POSTAGE WILL BE PAID BY ADDRESSEE Telecommunications and Networks Publications 550 King Street Littleton, MA 01460-1289 DO NOT CUT - FOLD HERE...
  • Page 90 Printed in U.S.A.

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