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LMX Series (Asynchronous 4

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1. Data Rate Up to 64 Kbps Codes Unrestricted and protocol transparent Transmission Delay Less than 0 02 msec Interface EIA TIA 561 Modular RJ 45 Std EIA TIA RS 232 C CCITT V 24 Adapter Optional Composite Link Characteristics LMX Interface Dual Fiber Line Interface Dual optical cable ST connectors Transmission Mode Full duplex Transmission Range 1 9 miles 3 1 km Composite Data Rate 1 25 Mbps Optical Output Level 23 dBm into 50 125 fiber 16 dBm into 100 140 fiber CHAPTER 1 Specifications General Specifications Compliance FCC Part 15 Class A Wallmount power supply UL CSA LED Indicators Power Sync Composite Data Power Requirements 115 VAC 10 60 Hz 0 2 Amp maximum Std 230 VAC 10 50 Hz 0 2 Amp maximum Optional Operating Temperature 50 to 120 F 10 to 49 C Storage Temperature 40 to 149 F 40 to 65 C Max Altitude Tolerance Operating 20 000 ft 6096 m Storage 40 000 ft 12 192 m Size 1 7 H x 7 W x 3 3 D 4 3 x 17 8 x 8 4 cm Weight 2 5 Ib 1 1 kg LMX SERIES ASYNCHRONOUS 4 PORT MULTIPLEXOR 2 Introduction 2 1 Overview This LMX Series Multiplexor is an efficient low cost bit interleaved four port asynchronous Time Division Multiplexor TDM complete with an integral four wire limited distance line driver The LMX allows for interconnection of up to four local clustered terminals
2. Box Corporation All rights reserved 1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746
3. S BLACK BOX NA O a a a 38888 LMX Series Asynchronous 4 Port Multiplexor LMX Series PWR RXD SYNC 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 INFORMATION Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com TRADEMARKS TRADEMARKS USED IN THIS MANUAL UL is a registered trademark of Underwriters Laboratories Incorporated Any other trademarks used in this manual are acknowledged to be the property of the trademark owners LMX SERIES ASYNCHRONOUS 4 PORT MULTIPLEXOR FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates uses and can radiate radio frequency energy and if not installed and used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio communication It has been tested and found to comply with the limits for a Class A computing device in accordance with the specifications in Subpart B of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when the equipment is operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case t
4. ente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deber ser localizada lejos de las lineas de energia 16 El cable de corriente deber ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomado de tal manera que objectos liquidos no sean derramados sobre la cubierta u orificios de ventilaci n 18 Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l quido ha sido derramado dentro del aparato o C El aparato ha sido expuesto a la lluvia o D El aparato parece no operar normalmente o muestra un cambio en su desempe o o E El aparato ha sido tirado o su cubierta ha sido da ada CONTENTS Contents Chapter Page Lc Specifications aa 6 2 HIRTOdUEON ei la 8 DL OCW AAA lanta te 8 2 2 Feature cc cccceccccsessscccsssssscceesssccccsssssecessssssccesssscesessssscessssssesesssecessessecessssesess 8 2 3 What s Included vesstsseacvcciacccsscocsescaavesseasseesanivasecagasaviasevdsenanidincde tivedvseneavensnadentss 8 24 Performances EE A a A A aa 9 SISCAR A A A 10 4 Port Interfaces tisse instants A aiii 11 LMX SERIES ASYNCHRONOUS 4 PORT MULTIPLEXOR 1 Specifications Multiplexing Technique _Bit interleaved time division asynchronous full duplex Sub Channel Characteristics Number of Sub Channels Up to four
5. he user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio noise emission from digital apparatus set out in the Radio Interference Regulation of Industry Canada Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la classe prescrites dans le R glement sur le brouillage radio lectrique publi par Industrie Canada NOM STATEMENT 10 11 NORMAS OFICIALES MEXICANAS NOM ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD Todas las instrucciones de seguridad y operaci n deber n ser le das antes de que el aparato el ctrico sea operado Las instrucciones de seguridad y operaci n deber n ser guardadas para referencia futura Todas las advertencias en el aparato el ctrico y en sus instrucciones de operaci n deben ser respetadas Todas las instrucciones de operaci n y uso deben ser seguidas El aparato el ctrico no deber ser usado cerca del agua por ejemplo cerca de la tina de ba o lavabo s tano mojado o cerca de una alberca etc El aparato el ctrico debe ser usado nicamente con carritos o pedestales que sean recomendados p
6. operating at asynchronous data rates up to 64 Kbps The LMX Series Multiplexor is an ideal low cost alternative to more expensive statistical multiplexors and leased line modems Ideal applications are in a building in a campus setting or in a factory environment using fiber optic cable 2 2 Features e TDM with integral limited distance fiber modem e Up to 4 async sub channels Sub channel data rates up to 64 Kbps e Speed and protocol transparent e Range up to 3 km on fiber Plug in installation no option switches to set 2 3 What s Included Here s what you should have received 1 LMX Series Asynchronous 4 Port Multiplexor with fiber interface 1 External transformer 1 User s manual CHAPTER 2 Introduction 2 4 Performance Synchronization between units is maintained continuously with no operator control required A SYNC ERROR indicator located on the front of the unit will turn on alerting you if loss of sync occurs In operation the LMX automatically adapts port speeds to the rates of the individual terminals No clock source is required The multiplexor s unique method of maintaining synchronization minimizes the number of overhead bits from the data stream All ports operate at maximum throughput levels with virtually no multiplexing delay As DTE speeds vary high speed data sampling on each port allows the unit to follow any changes so the unit is transparent to error control EIA propaga
7. or el fabricante El aparato el ctrico debe ser montado a la pared o al techo s lo como sea recomendado por el fabricante Servicio El usuario no debe intentar dar servicio al equipo el ctrico m s all a lo descrito en las instrucciones de operaci n Todo otro servicio deber ser referido a personal de servicio calificado El aparato el ctrico debe ser situado de tal manera que su posici n no interfiera su uso La colocaci n del aparato el ctrico sobre una cama sof alfombra o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n El equipo el ctrico deber ser situado fuera del alcance de fuentes de calor como radiadores registros de calor estufas u otros aparatos incluyendo amplificadores que producen calor El aparato el ctrico deber ser connectado a una fuente de poder s lo del tipo descrito en el instructivo de operaci n o como se indique en el aparato LMX SERIES ASYNCHRONOUS 4 PORT MULTIPLEXOR 12 Precauci n debe ser tomada de tal manera que la tierra fisica y la polarizaci n 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 atenci n a los contactos y recept culos donde salen del aparato 14 El equipo el ctrico debe ser limpiado nicam
8. tion or flow control This multiplexor has the fiber drivers installed The unit uses a dual fiber connection for two fiber optic cables Its effective range is 1 9 miles 3 1 km Figure 2 1 Typical Application LMX SERIES ASYNCHRONOUS 4 PORT MULTIPLEXOR 3 Installation SUB CHANNEL PORTS 3 4 TX RX 1 2 OOCT AA y Oy To Optical Fiber To Sub Channels To Power a N 4 al i N m Figure 3 1 Rear View and Fiber Connections CHAPTER 4 Port Interface A Port Interface Use the tables below for proper connection from sub channels to the DTE equipment Figure 4 1 LMX Sub Channel Connector Table 4 1 Port Interface Pinout Direction Name CKT DCE RJ 45 Data Set Ready 125 output 1 Data Carrier Detect 109 output 2 Signal Ground 102 4 Receive Data 104 output 5 Transmit Data 103 input 6 Clear To Send 106 output 7 Table 4 2 RS 232 Reference Interface Direction Name CKT DTE DCE DB25 DB9 Transmit Data BA output input 2 3 Receive Data BB input output 3 2 Request To Send CA output input 4 7 Clear To Send CB input output 5 8 Data Set Ready CC input output 6 6 Signal Ground AB 7 5 Data Carrier Detect CF input output 8 1 Data Terminal Ready CD output input 20 4 Ring Indicator CE input output 22 9 lt BLACK BOX Copyright 1999 Black

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