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Boca BOCAHUB-16 Plus BEN220 Installation Manual

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Boca's Family of
Ethernet
Products
BOCAHUB-16 Plus
PRODUCT CODE:
BEN220
TM
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Summary of Contents for Boca BOCAHUB-16 Plus BEN220

  • Page 1 Boca’s Family of Ethernet Products BOCAHUB-16 Plus PRODUCT CODE: BEN220...
  • Page 2 BOCAHUB-16 Plus...
  • Page 3 Boca’s Family of Ethernet Products BOCAHUB-16 Plus...
  • Page 4 Boca’s Family of Ethernet Products Hubs: Model No. BOCAHUB-24 Plus BEN240 24-port 10BASE-T hub with BNC, AUI, and option port BOCAHUB-16 Plus BEN220 16-port 10BASE-T hub with BNC and AUI connections BOCAHUB-8 BEN210 8-port 10BASE-T hub Plug and Play Adapters:...
  • Page 5 Before You Begin your Installation The product you have purchased is designed to be easily installed into most IBM PC or compatible systems. Many products have large, easy-to-read legends to allow for the easy configuring of the product. This installation manual contains detailed instructions.
  • Page 6 Boca BBS 407-241-1601 On-Line Support! CompuServe: GO BOCA Technical Support Internet: 407-997-0918 email: support@boca.org Automated Fax on the World Wide WEB: Retrieval System http://www.boca.org 407-995-9456 Standard Free Technical Support 407-241-8088 Priority Service 900-555-4900 ($2 per minute) The Standard Free Technical Support number is for quick answers to specific inquiries on product features and technical questions (call 407-241-8088;...

  • Page 7: Table Of Contents

    Section Five : Troubleshooting ........... 35 5.1 Status LEDs ..............35 5.2 Installation Test ............39 Appendix A: Specifications ..........40 Appendix B: FCC Compliance ..........41 Appendix C: Servicing Your Boca Product ..... 44 Glossary ..................48 Index ................... 51...

  • Page 8: Section One: Introduction

    Section One: Introduction Congratulations on purchasing Boca Research’s BOCAHUB-16 Plus (product code: BEN220). This low-cost compact Ethernet hub is fully compliant with IEEE 802.3 standards. Its highly integrated dual- chip solution constantly monitors signal quality ensuring increased network reliability. The compact...
  • Page 9 • Attachment Unit Interface (AUI) port allows connectivity with 10BASE5 (“thick” Ethernet), 10BASE2 (“thin” Ethernet), as well as 10BASE-FL and/or Fiber Optic Inter-repeater Link (FOIRL) segments (with appropriate adapter) • Fully compliant with IEEE 802.3 specifications • Easy installation and setup •...
  • Page 10 Functional Description The BOCAHUB-16 Plus is an implementation of an IEEE 802.3/Ethernet repeater or hub. It provides 16 10BASE-T ports, 1 10BASE2 port, and 1 AUI port in a compact package. The BOCAHUB-16 Plus complies with the full set of repeater basic functions as defined in section 9 of ISO 8802.3 (ANSI/IEEE 802.3).
  • Page 11 Collision Handling The BOCAHUB-16 Plus will detect and respond to collision conditions as specified in 802.3. It will also protect the network from an excessive duration of, or frequent collisions by “partitioning” the offending port from the rest of the network. Once a port is partitioned, the data received from that port will not be repeated.
  • Page 12 Link Test The BOCAHUB-16 Plus implements the Link test function as specified in the 802.3 10BASE-T standard. It transmits Link test pulses to any port after that port’s transmitter has been inactive for a short period of time. The device connected to the port will respond in the same manner.
  • Page 13 Front Panel Indicators and Switches PWR: This LED lights whenever power is applied to the BOCAHUB-16 Plus. During normal operation, this light should be ON. ACT: This LED flashes whenever there is data activity on any of the BOCAHUB-16 Plus ports. A steady activity LED indicates a busy network.
  • Page 14 LINK/PRT SWITCH: LEDs 1-16, AUI, BNC: When set to LINK, the LEDs associated with each 10BASE-T port (RJ-45) will light if the port receives a valid link test signal. Note that in this position the AUI and BNC LEDs are off and have no meaning. When set to PRT (partition), LEDs 1-16, AUI, and BNC will be on if the port is functioning normally and OFF if the port is partitioned.
  • Page 15 Rear Panel Connectors 16 10BASE-T PORTS: These are RJ-45 8-pin connectors used to connect to 10BASE-T UTP (unshielded twisted pair) cable. Port 16’s transmit and receive pairs are switchable with the X (cross) switch on the front of the unit. 1 AUI PORT: This connector is used to interface with 10BASE5 (“thick”...

  • Page 16: Section Two: Installation

    Section Two: Installation The Contents of Your Package Boca’s Family of Ethernet Products BOCAHUB- BNC T- 16 Plus Connector Installation Guide AC Adapter Connecting the Power Supply 1. Connect the appropriate end of the power cord to the back of the BOCAHUB-16 Plus (marked PWR) and insert the remaining end to any conveniently accessible wall outlet.

  • Page 17: Troubleshooting

    2. Check the front panel LEDs. If the power (PWR) LED is not ON, turn to Section Five: Troubleshooting. Installation...

  • Page 18: Section Three: Network Configuration

    Section Three: Network Configuration The BOCAHUB-16 Plus is intended to connect multiple workstations (stand-alone) and/or other concentrators to an Ethernet star topology network. 3.1 10BASE-T PORTS The BOCAHUB-16 Plus has 16 10BASE-T UTP (unshielded twisted pair) ports to connect to other hubs or workstations.
  • Page 19 RJ45 (10-pin or 8- pin) (see Section Four for pinouts. Network Configuration...

  • Page 20: 10Base2 Ports

    3.2 10BASE2 PORTS The BOCAHUB-16 Plus has one 10BASE2 (BNC) connector which interfaces directly to a 10BASE2 (“thin” Ethernet) network. The 10BASE2 connection must be to RG58 A/U or C/U 50-ohm coaxial cable. The ends of the cable segment must have 50-ohm terminators installed.
  • Page 21 For Installation in the middle of a 10BASE2 Segment BNC “T” 10BASE2 Cable 10BASE2 Cable Connector (Thin Ethernet) (Thin Ethernet) Connect to coax port on BOCAHUB- 16 Plus For Installation at the end of a 10BASE2 Segment 50-ohm coaxial BNC “T” 10BASE2 Cable terminator Connector...

  • Page 22: Aui Ports

    3.3 AUI PORT The BOCAHUB-16 Plus has one AUI connector which interfaces with a 10BASE5 (“thick” Ethernet) network. The AUI port is normally used to connect to 10BASE5, but can also be used to interface with other types of networks such as 10BASE2, 10BASE-T, or FOIRL (Fiber Optic Inter-repeater Link).
  • Page 23 BOCAHUB-16 PLUS AUI cable Transceiver 10BASE5 (Thick Ethernet) Backbone Network Configuration...

  • Page 24: Network Combinations

    3.4 Network Combinations Note that the different types of topologies can co-exist in one network using the BOCAHUB-16 Plus. Following are some sample network arrangements using multiple topologies. Note: When cascading concentrators, there should be no more than four (4) concentrators between any two (2) workstations.

  • Page 25: Single Workgroup

    3.5 SINGLE WORKGROUP CONFIGURATION 10BASE-T Segments NOTE: File server can plug into any port on the BOCAHUB-16 Plus Network Configuration...

  • Page 26: Cascaded Network

    3.6 CASCADED NETWORK CONFIGURATION Server Server NOTE: File server can plug into any port on the BOCAHUB-16 Plus BOCAHUB-16 Plus...

  • Page 27: Cascaded Network With Routers

    3.7 CASCADED NETWORK CONFIGURATION USING ROUTERS (see your network operating system documentation for information on routers) Server Server Network Configuration...

  • Page 28: Expanded Network

    3.8 EXPANDED CASCADED NETWORK CONFIGURATION USING ROUTERS (see your network operating system documentation for information on routers) BACKBONE (10BASE5/10BASE2) 50-ohm Terminator Server 50-ohm Terminator Server 10BASE2 (thin Ethernet Segment (maximum 30 stations) BOCAHUB-16 Plus...
  • Page 29 BACKBONE (10BASE5/10BASE2) 50-ohm Terminator Server 50-ohm Terminator 10BASE2 (thin Ethernet Segment (maximum 30 stations) Network Configuration...

  • Page 30: Section Four: Cabling Characteristics

    Section Four: Cabling Characteristics 4.1 Cable Type Topology 10BASE-T 10BASE2 10BASE5 AUI Cable Cable: Thin Thick Coaxial Coaxial Type: Unshielded 50-ohm 50-ohm Shielded Twisted-pair coax coax Twisted-pair 22-26 AWG RG58 RG11 (0.4-0.6 mm) A/U or A/U or 2 pairs Male coaxial tap DB-15 with Connector: 8-pin RJ-45...

  • Page 31: 10Base-T Pin Assignments

    4.2 10BASE-T Pin Assignments An Ethernet twisted pair link segment calls for two pairs of wires, with each pair differentiated by color. Each twisted pair link segment must have an RJ-45 male connector attached to both ends. Pins 1 and 2 on the RJ-45 connector are for transmitting data while pins 3 and 6 are for receiving data.

  • Page 32: Crossover Function

    This switch is labelled “X” and located on the front of the BOCAHUB-16 Plus below the Boca Research logo. When a twisted-pair port labelled with an “X” is connected to a device which does not support the crossover function, “straight-through”...

  • Page 33: Crossover Wiring

    crossover, the two pairs of wires must be straight- through: STRAIGHT-THROUGH RJ-45 PIN ASSIGNMENTS (8-pin RJ-45) (10-pin RJ-45) Concentrator Device Concentrator Device 1 (Rx+) 1 (Tx+) 2 (Rx+) 2 (Tx+) 2 (Rx-) 2 (Tx-) 3 (Rx-) 3 (Tx-) 3 (Tx+) 3 (Rx+) 4 (Tx+) 4 (Rx+)
  • Page 34 10-pin 8-pin RJ45 RJ45 Connector Connector Pin 1 Pin 8 Pin 1 Pin 10 Bottom of plug NOTE ON SIGNAL POLARITY If a receive data pair has the “+” and “-” signals unintentionally reversed, the BOCAHUB-16 Plus automatically detects and adjusts this reversal so the data path will function properly.

  • Page 35: Section Five: Troubleshooting

    Section Five: Troubleshooting 5.1 Status/Diagnostic LEDs The BOCAHUB-16 Plus features a total of 21 front panel LEDs to aid in testing the installation and the diagnosing of problems. There are 16 LINK/ PARTITION LEDs, one Power LED, one Collision LED, one Activity LED, one AUI LED, and one BNC LED.
  • Page 36 Ports 1 through 16 feature an associated Link/ Partition LED. A switch is used to toggle between the LINK and PARTITION display status. When set to LINK, the status LED will be ON continuously for a given port IF a device is physically attached and functioning normally.
  • Page 37 • One RED collision LED to signal a network collision. If this light stays ON, toggle the LNK/PRT switch to PRT (for PARTITION), to isolate which device is causing the collision. * One GREEN activity LED to indicate network activity. LED functionality is summarized on the following page: Troubleshooting...
  • Page 38 COLOR # STATUS MEANING BOCAHUB-16 Plus has POWER GREEN power. A network collision has COLLISION been detected. BOCAHUB-16 Plus is receiving data from two or more devices at the same time. The BOCAHUB-16 Plus GREEN is receiving data from one or more ports.

  • Page 39: Installation Test

    5.2 Installation Test IF THE POWER LED IS NOT ON AND THE BOCAHUB-16 Plus SHOWS NO ACTIVITY • Check the connections between the concentrator, the power cord, and the wall outlet. • Make sure the wall outlet has power. • Try another AC power adapter that you know works.

  • Page 40: Appendix A: Specifications

    Appendix A: Specifications Operating Temperature: 20-50 degrees Centigrade Relative Humidity: 70% (non-condensing) Power: 9V AC @ 1.4A • Twisted-Pair Cable Interface: Twisted Pair using RJ-45 connectors • Coaxial Cable Interface: RG58 A/U or C/U using BNC connector • AUI cable Interface: DSUB 15 with latch using shielded twisted pair Connectors: •...

  • Page 41: Appendix B: Fcc Compliance

    Appendix B: FCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 42 Appendix C: Servicing the Boca Product If your Boca product requires service, first contact the authorized dealer from whom you purchased the product. If the dealer is unable to assist you, and you must contact Boca Research, Inc., please follow the instructions below.
  • Page 43 Please place this number on the outside of the package when you return the item(s) for service and reference it on any correspondence included in the package. Boca Research, Inc. will return any product which is not accompanied by an RMA number.

  • Page 44: Appendix C: Servicing Your Boca Product

    3. Refer to the Warranty Statement if the product is covered under the five-year Boca Research, Inc. Limited Warranty. 4. Certain parts will not be covered under the Boca Research, Inc. Limited Warranty. Dealer installed parts are warranted by the dealer. Parts which you have installed yourself are covered only by the supplier’s warranties.
  • Page 45 RMA Department - RMA # _________ 1601 Clint Moore Road Boca Raton, FL 33487-2841 6. If the repairs performed on your product were covered by the warranty, Boca Research, Inc. will return it prepaid via UPS. Servicing Your Boca Product...

  • Page 46: Limited Warranty

    A copy of the sales slip must be included with the returned merchandise. Products which require Limited Warranty service during the warranty period should be delivered to BRI at the address in the Appendix (Servicing Your Boca Product) with proof of purchase and the Return Merchandise Authorization (RMA) number provided by BRI Technical Support.
  • Page 47 Copyright © 1995 Boca Research, Inc. All rights reserved. No reproduction of this document in any form is allowed without permission in writing from Boca Research, Inc. Boca Research is not liable for any damages resulting from technical or editorial errors or omissions contained in this document. The information in this manual is subject to change without notice.

  • Page 48: Glossary

    Glossary 10BASE-T. Twisted pair cabling using an RJ-45 connector. 10BASE5. Original Ethernet using coaxial cable. 10BASE2. Also known as “cheapernet”. Another name for Thin Ethernet using a BNC connector. 802.3. Defined by the IEEE (Institute of Electrical and Electronics Engineers), these standards regulate the use of the CSMA/CD (Carrier Sense Multiple Access/Collision Detection network access method used by Ethernet networks.
  • Page 49 Coaxial Cable. Data transmission medium with a single-wire conductor insulated from electromagnetic and radio frequency interference. Concentrator. See hub. CSMA/CD. Carrier Sense Multiple Access with Collision Detection. CSMA/CD is the access method used in Ethernet where nodes contend for the right to send data. Ethernet.
  • Page 50 Protocol. A standardized set of rules that specify the format, timing, sequencing, and/or error checking for data transmissions. Repeater. Used to extend the topology, allowing two or more cable segments to be joined. In a 10BASE-T network, the repeater provides the central connection point where the gathering of statistics and network management functions take place.

  • Page 51: Index

    Index Contents of Your Package 16 Crossover Function 32 Crossover RJ-45 Pin 10BASE2 PORTS 20 Assignments 10BASE-T Pin Crossover Wiring 33 Assignments 10BASE-T PORTS 15, 18 Expanded Cascaded Network Configuration Using ACTIVITY 13 Routers 28 Attachment Unit Interface (AUI) 9 AUI PORT 15, 22 FCC Compliance 41 Automatic partitioning 9...
  • Page 52 Polarity Reversal 12, 34 Power Connector 15 POWER 13 Rear Panel Connectors 15 Repeater Function 10 Return Merchandise Authorization 43 Servicing Your Boca Product 42-45 Signal Polarity 34 Signal Regeneration 10 Single Workgroup Configuration 25 Specifications 40 Status/Diagnostic LEDs 35...
  • Page 54 BOCAHUB-16 Plus...
  • Page 56 Manual Part # 9414 Rev. 3.1 BOCAHUB-16 Plus...

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