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Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX CUSTOMER FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mail order: 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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All rights reserved. Printed in USA. 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 all rights reserved.
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.
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...
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: •...
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”...
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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.
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.
Apply power. Power is provided to the “twister” unit from the desktop universal power supply module. This power module is equipped with a S760 hollow-type plug for insertion into the DC jack located on the back of the “twister” unit and standard IEC 320- type AC power receptacle.
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Upon receiving power, the “twister” media converter goes into normal operation mode and automatically provides the appropri- ate signal translation between the connected network segments. Be sure to verify correct segment connectivity via the LK (link) LEDs on the front of the unit. If an additional extension cord is used to connect the power module to the power source, the following guidelines must be followed.
User Guide This section contains more detailed user information regarding certain operating features for your “twister” Media Converter. System LEDs The “twister” media converter provides LEDs for the visible verification of unit status and proper functionality as well as aiding in troubleshooting and overall network diagnosis and management.
Link Loss Carry Forward (LLCF) The “twister” has been designed with an LLCF function for troubleshooting a remote connection. The unit is shipped with the LLCF disabled. When LLCF is enabled, the fiber optic ports as well as the twisted-pair ports on the media converter do not transmit a link signal until they receive a link signal from the opposite port.
Technical Specifications Data Rate _______________ 100Mbps half-duplex; 200Mbps full-duplex Bit Delay ____________________________________________ < 40 bits Power Input ______________________________ 90-260V AC 50/60 Hz Power Output __________________________________ +5VDC @ 1.2 A Network Connections Twisted-Pair Interface Connector _____________________________ Shielded RJ-45, 8-pin jack Impedance ___________________________________ 100 Ohms nominal Signal Level Output (differential) ______________________ .95 to 1.05V Signal Level Input _____________________________ 350mV minimum Supported Link Length ____________________________________ 100m...
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Environmental Operating Temperature _______________________________ 0° — 55° C Storage Temperature ________________________________ -25° —70° C Relative Humidity _____________________ 5% — 95% non-condensing Physical Case _____________________ Fully enclosed metal construction Dimensions ______________________________ 5.0” L x 3.5” W x 1.6” H Weight __________________________ 3 lbs (including power supply) “twister”...
Product Safety, EMC and Compliance Statements This equipment complies with the following requirements: • UL • CSA • EN60950 (safety) • FCC Part 15, Class A • EN55022 Class A (emissions) • EN50082-1 (immunity) • IEEE 802.3u • IEC 825-1 Classification Class 1 Laser Product Radio Frequency Interference Statement FCC Radio Frequency Interference Statement...
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Electrical Safety Statement Normas Oficiales Mexicanas (NOM) INSTRUCCIONES DE SEGURIDAD 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.
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11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato. 12. Precaución debe ser tomada de tal manera que la tierra fisica y la polarización del equipo no sea eliminada.
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