Black Box LE2690A - Manuals

Black Box LE2690A – Manual in PDF format online.

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Manual

Manual Black Box LE2690A

Summary

Page 2 - This equipment has been tested and found to comply with; FCC AND CDC/MDC STATEMENTS

FEDERAL COMMUNICATIONS COMMISSION and CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENT Class B Digital Device. This equipment has been tested and found to comply with the limits for a Class B computing device pursuant to Part 15 of the FCC Rules. These limits are designed...

Page 4 - TRADEMARKS USED IN THIS MANUAL

NOM STATEMENT, TRADEMARKS 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 part...

Page 5 - Chapter

9-PORT PERSONAL MINIHUB Contents Chapter Page 1. Specifications ........................................................................................ 1 2. Introduction ......................................................................................... 3 2.1 General Overview ...................

Page 6 - CHAPTER 1: Specifications; VDE Class B

1 CHAPTER 1: Specifications Compliance — FCC Part 15 Class A and B, DOC Class/MDC classe B, VDE Class B Standard — IEEE 802.3 Ethernet v. 1.0/2.0 Interface — 10BASE-T Data Rate — 10 Mbps Partitioning — Automatic after 32 consecutive collisions Reconnection — Occurs after 512 bits of error-free trans...

Page 7 - -PORT PERSONAL MINIHUB; From wallmount power supply:

2 9-PORT PERSONAL MINIHUB Power — From wallmount power supply: Input: 120 VAC, 60 Hz; Output: 12 VDC, 1 amp; Consumption: 10 watts maximum Enclosure — High-strength steel Cooling Method — Convection OperatingTemperature — 32 to 122˚ F (0 to 50˚ C) StorageTemperature — –4 to 140˚ F (–20 to 60˚ C) Hum...

Page 8 - CHAPTER 2: Introduction

3 CHAPTER 2: 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 an...

Page 9 - Interconnectability with Existing Ethernet Networks

4 9-PORT PERSONAL MINIHUB specification for repeater functionality: They perform signal amplification, retiming of data packets, and regeneration of preamble bits for each packet received. They will also detect collisions, extend collision fragments, and automatially partition and reconnect individu...

Page 10 - Installation Versatility

5 CHAPTER 2: Introduction • Installation Versatility You can easily install Personal MiniHubs in almost any office or lab location. The tiny package is very unobtrusive and is typically mounted with Velcro. • Robust Netork Operation Personal MiniHubs use the “star” network topology and have automati...

Page 11 - MiniHub’s rear port is a user port, not an up-link to another hub.

6 9-PORT PERSONAL MINIHUB 9-Port Personal MiniHubs may also be used standalone to network a local personal multi-user system, as shown below. Up to nine RJ-45 user ports are available where only 10BASE-T wiring is used, and full-length Ethernet segments are supported on all segments. In this applica...

Page 14 - CHAPTER 3: Installation

9 CHAPTER 3: Installation 3.2.3 C ONNECTING T WISTED -P AIR S EGMENTS TO THE F RONT -P ANEL P ORTS 1. Insert the male plug on one end of a standard 10BASE-T cable into one of the RJ-45 female ports on the front panel of the 9-Port Personal MiniHub. (Even though the MiniHub’s connectors are shielded,...

Page 15 - For example, you can set a MiniHub’s Up-Link switch to the “

10 9-PORT PERSONAL MINIHUB 3.3 Cascading You can cascade 9-Port Personal MiniHubs in order to expand networks. For example, you can set a MiniHub’s Up-Link switch to the “ = x = ” position, then run 10BASE-T cable from the MiniHub’s rear-panel port to any port of another 10BASE-T hub, as shown in th...

Page 16 - CHAPTER 4: Operation; NOTE; Operating Features; Partitioning and Reconnection:

11 CHAPTER 4: Operation This chapter describes the LEDs and operating features of the 9-Port Personal MiniHubs. The 9-Port Personal MiniHubs are fully compliant with the Ethemet Version 2/IEEE 802.3 Repeater Specification for CSMA/CD 10-Mbps operation and will function accordingly. 4.1 LED Indicator...

Page 17 - Prenmble Regeneration:; As per Ethernet standards, the 9-Port Personal

12 9-PORT PERSONAL MINIHUB Prenmble Regeneration: As per Ethernet standards, the 9-Port Personal MiniHubs add bits to the preambles of output packets so that each output packet contains a minimum 64-bit preamble. Collisions: When carrier is detected simultaneously on multiple ports, a jam pattern is...

Page 18 - CHAPTER 5: Troubleshooting; Chapters 3 and 4

13 CHAPTER 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 Section 5.1 below. If nothing helps, contact your supplier; see ...

Page 19 - do; Shipping and Packaging

14 9-PORT PERSONAL MINIHUB 5.2 Calling Your Supplier If you determine that your 9-Port Personal MiniHub is malfunctioning, do not attempt to alter or repair it. Contact your supplier. The problem might be solvable over the phone. Before you do, make a record of the history of the problem. Your suppl...

Page 20 - NOTES