Black Box LE2690A User Manual
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Black Box LE2690A User Manual

Black Box LE2690A User Manual

Black box 9-port personal minihub user manual
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DECEMBER 2000
LE2690A
9-Port Personal MiniHub
CUSTOMER
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
SUPPORT
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com

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Summary of Contents for Black Box LE2690A

  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) SUPPORT FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
  • Page 2 FEDERAL COMMUNICATIONS COMMISSION and CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENT Class B Digital Device. the limits for a Class B computing device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

  • Page 3: Normas Oficiales Mexicanas (Nom) Electrical Safety Statement

    9-PORT PERSONAL MINIHUB NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura. 3.

  • Page 4: Trademarks Used In This Manual

    12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada. 13. Los cables de la fuente de poder deben ser guiados de tal manera que no sean pisados ni pellizcados por objetos colocados sobre o contra ellos, poniendo particular atención a los contactos y receptáculos donde salen del aparato.

  • Page 5: Table Of Contents

    9-PORT PERSONAL MINIHUB Chapter 1. Specifications ... 1 2. Introduction ... 3 2.1 General Overview ... 3 2.2 Features and Benefits ... 4 2.3 Applications ... 5 3. Installation ... 7 3.1 Before You Install: The Complete Package ... 7 3.2 The Installation Procedure ...

  • Page 6: Specifications

    Occurs after 512 bits of error-free transmission UTP (unshielded 10BASE-T): 100 m (328 ft.); STP (shielded 10BASE-T): 150 m (492 ft.) Rear-mounted slide switch for straight-through vs. crossover (uplink) operation (18) Top-mounted recessed LEDs: (1) Power; (9) Link (1 for each port); (8) RX (1 for...
  • Page 7 9-PORT PERSONAL MINIHUB Power — Enclosure — Cooling Method — Operating Temperature — Storage Temperature — Humidity — Size — Weight — From wallmount power supply: Input: 120 VAC, 60 Hz; Output: 12 VDC, 1 amp; Consumption: 10 watts maximum High-strength steel Convection 32 to 122˚...

  • Page 8: Introduction

    2.1 General Overview The 9-Port Personal MiniHub is a workplace hub in a very compact package. It is simple to install and use in an office or lab environment, requiring no special rack cabinets or wiring-closet apparatus. It is a standard physical-layer Ethernet product and operates independently of all software.

  • Page 9: Features And Benefits

    • Interconnectability with Existing Ethernet Networks Your 9-Port Personal MiniHub has a manual Up-Link switch that you can use to cross the pinning of its rear port. In this setting, you can connect 10BASE-T cable from an existing Ethernet environment (such as the central hub for the building) to the MiniHub’s rear port.

  • Page 10: Applications

    9-Port Personal MiniHub’s front-mounted RJ-45ports. With the MiniHub’s rear-mounted Up-Link switch set to “ network outlet to the MiniHub’s rear port. Then plug the DC power cord of the MiniHub’s external power supply into the MiniHub’s power jack, plug in the power supply’s transformer, and there you are: In minutes, you...
  • Page 11 10BASE-T wiring is used, and full-length Ethernet segments are supported on all segments. In this application, set the Up-Link switch to the straight-through or “===” position, so that the MiniHub’s rear port is a user port, not an up-link to another hub.

  • Page 12: Installation

    3.1 Before You Install: Inspecting the Complete Package Examine the shipping container for obvious damage prior to installing this product; notify the carrier of any damage which you believe occurred during shipment ar delivery. Inspect the contents of this package for any signs of damage and make sure that you received these items: •...
  • Page 13 9-PORT PERSONAL MINIHUB Wall (or Vertical-Surface) Mounting The 9-Port Personal Hub comes with a piece of Velcro mounting tape. You can use this to mount a Personal Hub in a vertical position. Stick one side of the Velcro to the bottom of the hub between the rubber feet. Stick the other side of the Velcro to the desired vertical mounting location.
  • Page 14 RJ-45 female port on the rear panel of the 9-Port Personal MiniHub. Connect the other end of the network segment to a workstation or user device if the Up-Link switch is in the “===” position, or to a network hub or concentrator if the Up-Link switch is in the “...

  • Page 15: Cascading

    Up-Link switch of only one of the units to the “ unit’s switch must remain set to the “= = = ” position for the link to work properly.

  • Page 16: Operation

    “ ” position. If you isolate the MiniHub for full-bandwidth local operation by moving the Up-Link switch to the “= = = ” position, the LINK LED will be OFF because the up-link is logically disabled. Receive Packets (RX) LEDs: GREEN to show that data packets are being received from the segment connected to that port.
  • Page 17 9-PORT PERSONAL MINIHUB As per Ethernet standards, the 9-Port Personal Prenmble Regeneration: MiniHubs add bits to the preambles of output packets so that each output packet contains a minimum 64-bit preamble. When carrier is detected simultaneously on multiple ports, a Collisions: jam pattern is generated on each port to create a collision condition.

  • Page 18: Troubleshooting

    5. Troubleshooting Should problems develop during the installation or operation of your 9-Port Personal MiniHub, this chapter should help to locate, identify and correct such problems. Please follow the suggestions listed in below. If nothing helps, contact your supplier; see 5.1 Things to Check 1.

  • Page 19: Calling Your Supplier

    9-PORT PERSONAL MINIHUB 5.2 Calling Your Supplier If you determine that your 9-Port Personal MiniHub is malfunctioning, not attempt to alter or repair it. solvable over the phone. Before you do, make a record of the history of the problem. Your supplier will be able to provide more efficient and accurate assistance if you have a complete description, including: •...
  • Page 20 NOTES...
  • Page 21 NOTES...
  • Page 22 © Copyright 2000. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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