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Boca BOCAHUB-24 Plus Installation Manual

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Boca's Family of
Ethernet
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BOCAHUB-24 Plus
PRODUCT CODE:
BEN240
tm
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Summary of Contents for Boca BOCAHUB-24 Plus

  • Page 1 Boca’s Family of Ethernet Products BOCAHUB-24 Plus PRODUCT CODE: BEN240...
  • Page 2 BOCAHUB-24Plus...
  • Page 3 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 4 ($2 per minute) Automated Fax Retrieval System 407-995-9456 The Standard Free Technical On-Line Support! Support number is for quick CompuServe: GO BOCA answers to specific inquiries on Internet: product features and technical email: support@boca.org questions (call 407-241-8088; M- on the World-wide WEB: F, 8 am to 6:30 pm EST).

  • Page 5: Table Of Contents

    Section Five : Troubleshooting ........... 33 5.1 Status/Diagnostic LEDs .......... 33 5.2 Installation Test............36 Appendix A: Specifications ..........37 Appendix B: FCC Compliance ..........38 Appendix C: Servicing Your Boca Product ..... 39 Warranty ..................43 Glossary ..................44...

  • Page 6: Section One: Introduction

    Section One: Introduction Congratulations on purchasing Boca Research’s BOCAHUB-24 Plus (product code: BEN240). This low-cost compact Ethernet hub is fully compliant with IEEE 802.3 standards. Its highly integrated solution constantly monitors signal quality ensuring increased network reliability. The case is designed for desktop usage, rack, or wall mounting.
  • Page 7 • Includes one expansion port for 10BASE2, AUI, or Fiber-optic with an optional plug-in module available from Boca Research. • 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) •...
  • Page 8 Functional Description The BOCAHUB-24 Plus is an implementation of an IEEE 802.3/Ethernet repeater or hub. It provides 24 10BASE-T ports, one 10BASE2 port, one AUI port, and one expansion port in a single hub. The BOCAHUB-24 Plus complies with the full set of repeater basic functions as defined in section 9 of ISO 8802.3 (ANSI/IEEE 802.3).
  • Page 9 BOCAHUB-24. If any ports are currently partitioned, the corresponding LED will turn on. Link Test The BOCAHUB-24 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...
  • Page 10 BOCAHUB-24 Plus. During normal operation, this light should be ON. ACT: This LED flashes whenever there is data activity on any of the BOCAHUB-24 Plus ports. A steady activity LED indicates a busy network. COL: This red LED lights whenever two or more ports are receiving data at the same time (i.e.,...
  • Page 11 LINK: These green LEDs light when the corresponding port is connected and receiving valid link pulses. PRT: These red LEDs light when the corresponding port is partitioned due to jabbering or excessive collisions. BNC, AUI, OPT: The red LEDs are the partition LEDs for their associated ports.
  • Page 12 24 10BASE-T PORTS: These are RJ-45 8-pin connectors used to connect to 10BASE-T UTP (unshielded twisted pair) cable. Port 24’s transmit and receive pairs are switchable by using the 24x port. WARNING: do NOT use port 24 and 24x. Connect only one of these ports. 1 AUI PORT: This connector is used to interface with 10BASE5 (“thick”...

  • Page 13: Section Two: Installation

    1 2 3 head screws 1 2 3 Connecting the Power Supply 1. Connect the appropriate end of the power cord to the back of the BOCAHUB-24 Plus (marked PWR) and insert the remaining end to any conveniently accessible wall outlet. Installation...

  • Page 14: Troubleshooting

    REAR OF BOCAHUB-24 Plus BOCAHUB-24 o o o o o o o o o o o o o o o o o o o PLUS o o o o o o o o o o o o o o o o o...
  • Page 15 If Stacking Multiple BEN240s stacking stacking brackets brackets BOCAHUB-24 o o o o o o o o o o o o o o o o o o o PLUS o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 0 BOCAHUB-24 o o o o o o o o...
  • Page 16 If Rack Mounting One or More BEN240s BOCAHUB-24 o o o o o o o o o o o o o o o o o o o o PLUS o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 0 BOCAHUB-24 o o o o o o o o...

  • Page 17: Section Three: Network Configuration

    Section Three: Network Configuration The BOCAHUB-24 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-24 Plus has 24 10BASE-T UTP (unshielded twisted pair) ports to connect to other hubs or workstations.
  • Page 18 BOCAHUB-24 o o o o o o o o o o o o o o o o o o o o PLUS o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 0 1 2 3 4 1 2 3 1 2 3 4...

  • Page 19: 10Base2 Ports

    3.2 10BASE2 PORTS The BOCAHUB-24 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 20 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- 24 Plus For Installation at the end of a 10BASE2 Segment 50-ohm coaxial BNC “T” 10BASE2 Cable terminator Connector...

  • Page 21: Aui Ports

    3.3 AUI PORT The BOCAHUB-24 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 10BASE-FL.

  • Page 22: Network Combinations

    3.4 Network Combinations Note that the different types of topologies can co-exist in one network using the BOCAHUB-24 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 23: Single Workgroup

    0 10BASE-T Segments NOTE: File server can plug into any port on the BOCAHUB-24 Plus Network Configuration...

  • Page 24: Cascaded Network

    3.6 CASCADED NETWORK CONFIGURATION BOCAHUB-24 o o o o o o o o o o o o o o o o o o o PLUS Server Server o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 0 NOTE: File server can plug...

  • Page 25: Cascaded Network With Routers

    3.7 CASCADED NETWORK CONFIGURATION USING ROUTERS (see your network operating system documentation for information on routers) BOCAHUB-24 o o o o o o o o o o o o o o o o o o o PLUS o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 0 Server Server...

  • Page 26: 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 BOCAHUB-24 o o o o o o o o o o o o o o o o o o o PLUS Terminator o o o o o o o o o o o o o o o o o...
  • Page 27 BACKBONE (10BASE5/10BASE2) 50-ohm Terminator Server BOCAHUB-24 o o o o o o o o o o o o o o o o o o o PLUS o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 0 50-ohm Terminator...

  • Page 28: Section Four: Cabling Characteristics

    Section Four: Cabling Characteristics 4.1 Cable Type 10BASE-T 10BASE2 10BASE5 AUI Cable 10BASE-FL Cable: Cable: Cable: Cable: Cable: Thin Thick Fiber Coaxial Coaxial Optic Type: Type: Type: Type: Type: µ Unshielded 50-ohm 50-ohm Shielded 625/125 Twisted-pair coax coax Twisted-pair type A1b 8 pairs 22-26 AWG RG58...

  • Page 29: 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 30: Crossover Function

    This port is labelled “24x” and located on the front of the BOCAHUB-24 Plus below the Boca Research logo. WARNING: do NOT use port 24 and 24x. Connect only one of these ports.

  • Page 31: Straight-Through Wiring

    4.4 Straight-Through Wiring If the twisted pair link segment is to connect two ports and only one of the ports features an internal 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...
  • Page 32 Pin 1 Pin 10 Bottom of plug NOTE ON SIGNAL POLARITY If a receive data pair has the “+” and “-” signals unintentionally reversed, the BOCAHUB-24 Plus automatically detects and adjusts this reversal so the data path will function properly. BOCAHUB-24Plus...

  • Page 33: Section Five: Troubleshooting

    Section Five: Troubleshooting 5.1 Status/Diagnostic LEDs The BOCAHUB-24 Plus features a total of 54 front panel LEDs to aid in testing the installation and the diagnosing of problems. There are 24 LINK/ PARTITION LEDs, one Power LED, one Collision LED, one Activity LED, one AUI LED, one BNC LED, and one Option LED.
  • Page 34 (concentrator receiving data from two or more devices at the same time), or jabbering. Each BOCAHUB-24 Plus concentrator also has: • A GREEN power LED to indicate that the BOCAHUB-24 Plus has power.
  • Page 35 COLLISION been detected. BOCAHUB-24 Plus is receiving data from two or more devices at the same time. The BOCAHUB-24 Plus is GREEN receiving data from one or more ports. The BOCAHUB-24 Plus is not receiving data on any of its ports.

  • Page 36: Installation Test

    • Make sure the wall outlet has power. • Try another AC power cord that you know works. If the Power LED still fails to come ON, the BOCAHUB-24 Plus may be faulty. Call Technical Support. IF THE LINK LEDs DO NOT RESPOND Check the connections between each network device and the concentrator port, including wiring.

  • Page 37: Appendix A: Specifications

    Appendix A: Specifications Operating Temperature: 20-50 degrees Centigrade Relative (non-condensing) Humidity: Power: 120/220V AC -30W • 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 38: 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 39: Appendix C: Servicing Your Boca Product

    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 40 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 41: Warranty

    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 42 UPS. 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.

  • Page 43: Limited Warranty

    Limited Warranty Boca Research, Inc. (BRI) warrants to the original buyer of this BRI product that the hardware is free of defects in materials and workmanship for a period specified in the original sales contract (“the Warranty Period”). Should the product fail to be in working order at any time during the specified period, BRI, will at its option, repair or replace this product as described below, provided that in BRI’s sole determination the part or product has not been abused,...

  • Page 44: 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 45 Coaxial Cable. Data transmission medium with a single-wire conductor insulated from electro-magnetic 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. DMA.
  • Page 46 Packet. A collection of bits comprising data and control information formatted for transmission from one node to another. 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.
  • Page 48 Manual Part # 9445 Rev. 2.0 BOCAHUB-24Plus...

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