Black Box LE1345A-R3 Bedienungsanleitung

TX RX

PWR

100BASE-SX 100BASE-TX

LKAT LKAT

TX RX

PWR

100BASE-SX 100BASE-TX

AT LKAT

TX RX

PWR

100BASE-FX 100BASE-TX

LKAT LKAT

TX RX

PWR

100BASE-FX 100BASE-TX

AT LKAT

TX RX

PWR

100BASE-FX 100BASE-TX

LKAT LKAT

TX RX

PWR

100BASE-FX 100BASE-TX

AT LKAT

TX RX

SM (LH)

PWR

100BASE-FX 100BASE-TX

LKAT LKAT

Installation & User Guide

“twister”™

100MBPS TX-TO-FX

MEDIA CONVERTERS

JULY 1999

LE1345A-R3

LE1345A-ST-R3

LE1346A-R3

LE1345A-ST-R3

LE1346A-4OKM-R2

LE1345A-SX-R3

LE1345A-SXST-R3

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX

FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746

Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: [email protected]

CUSTOMER

SUPPORT

INFORMATION

Black Box and the Black Box logo are registered trademarks of Black Box Corporation.

All other trademarks appearing in this manual are the property of their owners.

This publication is protected by the copyright laws of the United States and other countries, with

translated, transcribed, or transmitted, in any form, or by any means manual, electric, electronic,

electromagnetic, mechanical, chemical, optical or otherwise, without prior explicit written

permission of Black Box Corporation.

The information contained in this document is assumed to be correct and current. The

manufacturer is not responsible for errors or omissions and reserves the right to change

specifications at any time without notice.

Table of Contents

“twister” 100Mbps Media Converter Installation & User Guide

Introduction ...............................................................................................4

Overview ....................................................................................................5

Installation Guide ......................................................................................6

STEP 1: Unpacking the “twister” and Accessories ....................6

STEP 2: Choosing an Appropriate Location .............................. 6

STEP 3: Setting the Switches .....................................................7

STEP 4: Connecting to the Network .......................................... 9

STEP 5: Applying Power ......................................................... 11

User Guide ...............................................................................................13

System LEDs............................................................................13

Link Loss Carry Forward (LLCF)............................................15

Topology Solutions ..................................................................16

Technical Specifications ...........................................................18

Product Safety, EMC and Compliance Statements .................. 20

Introduction

Thank you for choosing “twister” media converters.

The “twister” media converters represent the hottest technology available

for extending Ethernet and Fast Ethernet networks. “twister” media

conversion has become a standard for providing a cost-effective means of

integrating a mixed media environment. As LANs grow and evolve, this

technology provides an ideal solution for building effective migration

strategies.

These IEEE 802.3u compliant media converters are compatible with Fast

Ethernet devices from other leading network technology providers. This

increases the flexibility of your network configuration by ensuring reliable

data transmission in multi-vendor as well as mixed media environments.

The information in this guide will help you to install and start using your

“twister” media converter.

“twister” Media Converter 5

Overview

The “twister” 100Mbps TX-to-FX media converters provide seamless

high-speed integration of 100BASE-TX twisted-pair and 100BASE-FX

fiber optic segments in Fast Ethernet environments. The “twister”

supports remote fiber optic links up to 2km over multimode and up to

40km over singlemode fiber optic cable.

To optimize your Fast Ethernet network, this innovative media converter

provides seamless operation in half-duplex or full-duplex environments.

Full signal restoration —with a low bit delay — ensures accurate data

transmission to and from LANs within an organization. All signal activity

is completely converted ensuring accurate communication and collision

detection in connected segments and allowing maximum media length to

be achieved on either side of the device.

The “twister” provides the following key features:

• A Link Loss Carry Forward (LLCF) enable/disable switch is

included to provide an easy means for troubleshooting a

remote network connection. Refer to the section of this guide

titled Link Loss Carry Forward for more information.

• All twisted-pair ports are equipped with an MDI-II to MDI-X

switch eliminating the need for crossover cables.

• Auto polarity support on all twisted-pair ports.

Whether you are updating or expanding your existing network, the line of

“twister” media converters supports a wide range of configuration needs.

The “twister” includes the following media conversion combinations:

LE1345A-R3 __________ TX to FX multimode SC

LE1346A-ST-R3 _______ TX to FX singlemode ST

LE1345A-ST-R3 _______ TX to FX multimode ST

LE1346A-R3 __________ TX to FX singlemode SC

LE1346A-40KM-R2 ____ TX to FX singlemode SC (40km)

LE1345A-SX-R3 _______ TX to SX multimode SC

LE1345A-SXST-R3 _____ TX to SX multimode ST

6 Installation Guide

Installation Guide

Follow the simple steps outlined in this section of the guide to

install and start using your “twister” media converter.

Unpack the “twister” media converter and

any accessories.

Check that the following components have been included with

your order:

• “twister” media converter

• Power Supply

• Power Cord

• Four (4) Rubber Feet

Your order has been provided with the safest possible packaging,

but shipping damage does occasionally occur. Inspect your order

carefully. If you discover any shipping damage, notify the carrier

and follow their instructions for damage and claims. Save the

original shipping carton in case return or storage of the unit is

necessary.

Choose an appropriate location.

The “twister” media converter is intended for use in either office

or industrial environments. The unit must be located within six (6)

feet of the AC power source being used and placed as far away as

possible from electrical noise generating equipment such as

copiers, electrostatic printers and other motorized equipment. If

exposed twisted-pair wiring is used nearby, the wiring should be

routed as far away as possible from power cords and data cables

to minimize interference.

The units may be oriented in any manner which permits the user

to make physical connection to the power supply and leaves a

minimum of six (6) inches of space for proper ventilation.

TUV Compliance Note. For pluggable equipment, the socket outlet

must be installed near the equipment and be easily accessible.

Bei Geräten mit Steckanschluß muß die Steckdose nahe dem Gerät

angebracht und leicht zugänglich sein.

“twister” Media Converter 7

Set the Switches.

Link Loss Carry Forward (LLCF) Switch.

The media converter incorporates Link Loss Carry Forward

(LLCF) functionality as an aid in troubleshooting a remote

connection.

A switch for enabling/disabling LLCF is located on the rear

panel of the converter. When LLCF is enabled, the FX ports as

well as the TX ports on the “twister” do not transmit a link

signal until they receive a link signal from the opposite port.

Refer to the page titled Link Loss Carry Forward in the User

Guide section of this manual for more detailed information.

The unit is shipped with the LLCF disabled. To re-set the LLCF,

simply slide the switch to the appropriate setting.

PWR

OFF ON

DC INPUT/5VDCLLCF

LLCF Switch

(default is OFF)

8 Installation Guide

MDI-II to MDI-X Switch.

All “twister” media converters with twisted-pair ports have an

MDI-II to MDI-X switch that eliminates the need for crossover

cables. This switch is located on the bottom of the unit directly

below the RJ-45 connector and allows simple setup in either

straight through or crossover configurations. Refer to the

illustration below.

When setting the MDI-II to MDI-X switch, observe the

positioning of the following symbols:

• the parallel symbol (II) indicates a straight through or

parallel connection.

• the cross symbol (X) indicates a crossover connection.

These symbols are clearly marked on the bottom of the unit.

Using a pointed object, simply slide the switch in the direction

of the appropriate symbol. Use the following table as a guide:

TX RX

PWR

100BASE-FX 100BASE-TX

AT LKAT

MDI-II / MDI-X Switch

A device that is wired straight through, needs a crossover connection:

If the cable is…

straight through

crossover

… the MDI-II to MDI-X Switch Setting should be

A device that is wired crossover, needs a parallel connection:

If the cable is…

straight through

crossover

… the MDI-II to MDI-X Switch Setting should be

“twister” Media Converter 9

Connect to the network.

The “twister” media converter offers the ease of plug-and-play

installation.

Each “twister” media converter provides one shielded

RJ-45 connector and supports a maximum segment length of

100 meters for Category 5 Twisted-pair.

The “twister” also comes with the following connectors:

• the LE1345A-R3 and LE1345A-ST-R3 provide one set of FX

multimode SC/ST connectors and support a maximum

segment length of up to 2km for remote links.

• LE1346A-R3 provides one set of FX singlemode SC

connectors and supports a maximum segment length of up to

15km for remote links.

• the LE1346A-40KM-R2 provides one set of FX singlemode SC

connectors and supports a maximum segment length of up to

40km for remote links.

• the LE1346A-ST-R3 provides one set of FX singlemode ST

connectors and supports a maximum segment length of up to

15km for remote links

• the LE1345A-SX-R3 and LE1345A-SXST-R3 provide one set

of SX multimode SC or ST connectors respectively.

When making fiber optic connections, be sure that the transmit

(TX) port of the “twister” connects to the receive (RX) port

of the connected device; and be sure that the transmit (TX) port

of the connected device connects to the receive (RX) port of the

“twister” unit.

Once power is applied to the unit, correct connectivity can be

verified via the LK (Link) LED.

10 Installation Guide

TX RX

PWR

100BASE-FX 100BASE-TX

LKAT LKAT

TX RX

PWR

100BASE-FX 100BASE-TX

AT LKAT

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