Page 2 - 00Mbps Crossover Media Converters Installation and User Guide; BLACK BOX; Trademarks; UL is a registered trademark of Underwriters Laboratories
100Mbps Crossover Media Converters Installation and User Guide i BLACK BOX 100Mbps Economy Crossover Media Converters Installation and User Guide Trademarks UL is a registered trademark of Underwriters Laboratories Ethernet is a trademark of Xerox Corporation Velcro is a trademark of Velcro ...
Page 3 - ii; Please use these mailing address and phone and fax numbers:; Black Box Corporation
100Mbps Crossover Media Converters Installation and User Guide ii Contacting Black Box Corporation Please use these mailing address and phone and fax numbers: Black Box Corporation 1000 Park Drive Lawrence, PA 15055 Phone (724) 746-5500 Fax (724) 746-0746 email: [email protected] ___________________...
Page 4 - iii; FEDERAL COMMUNICATIONS COMMISSION
100Mbps Crossover Media Converters Installation and User Guide iii FEDERAL COMMUNICATIONS COMMISSION AND CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if notinstalled and used properly, that is...
Page 5 - iv
100Mbps Crossover Media Converters Installation and User Guide iv This digital apparatus does not exceed the Class A limits for radio noise emission fromdigital apparatus set out in the Radio Interference Regulation of the CanadianDepartment of Communications. Le présent appareil numérique n’émet pa...
Page 6 - ELECTRICAL SAFETY STATEMENT; Todas las instrucciones de operación y uso deben ser seguidas.
100Mbps Crossover Media Converters Installation and User Guide v NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparatoeléctrico sea operado. 2. Las instrucciones de seguri...
Page 8 - vii; Servicio por personal calificado deberá ser provisto cuando:; Certification Notice for
100Mbps Crossover Media Converters Installation and User Guide vii 18. Servicio por personal calificado deberá ser provisto cuando: A: El cable de poder o el contacto ha sido dañado; uB: Objectos han caído o líquido ha sido derramado dentro del aparato; oC: El aparato ha sido expuesto a la lluvia; o...
Page 9 - viii
100Mbps Crossover Media Converters Installation and User Guide viii inside wiring associated with a single-line individual service may be extended by meansof a certified connector assembly (extension cord). The customer should be aware thatcompliance with the above conditions may not prevent degrada...
Page 10 - ix
100Mbps Crossover Media Converters Installation and User Guide ix CAUTION: Users should not attempt to make such connections themselves, butshould contact the appropriate electric inspection authority, orelectrician, as appropriate. The LOAD NUMBER (LN) assigned to each terminal device denotes the p...
Page 11 - TABLE OF CONTENTS
100Mbps Crossover Media Converters Installation and User Guide x TABLE OF CONTENTS Page 1. SPECIFICATIONS .................................................................................................. 1 1.1 Summary of model numbers and descriptions .............................................. ...
Page 12 - xi; Page
100Mbps Crossover Media Converters Installation and User Guide xi TABLE OF CONTENTS (CONTINUED) Page 3.5 Connecting Fast Ethernet Media ................................................................. 41 3.5.1 Connecting Twisted Pair (RJ-45 Standard) ...................................... 413.5.2 C...
Page 13 - 00Mbps Economy Media Converters Installation and User Guide; SPECIFICATIONS
100Mbps Economy Media Converters Installation and User Guide 1 1.0 SPECIFICATIONS 1.1. Technical Specifications Performance: Data Rate: 100 Mb/s Half- or Full-Duplex transparent F/H auto-negotiation supported on the RJ-45 port 200ns (20 bit-times) Path Delay Value (PDV) for HDX conversion delay Netw...
Page 14 - Maximum Standard Fast Ethernet Segment Lengths:; Note: Black Box Crossover Media Converters
100Mbps Economy Media Converters Installation and User Guide 2 Maximum Standard Fast Ethernet Segment Lengths: 100BASE-TX (twisted pair): 100 m (328 ft) 100BASE-FX Fiber optic, half-duplex: (multi-mode) 412 m (1350 ft) 100BASE-FX Fiber optic, full duplex: (multi-mode) 2.0 km (6,562 ft) 100BASE-FX Fi...
Page 15 - Power Consumption: 4 watts typical; Note
100Mbps Economy Media Converters Installation and User Guide 3 Power Supply (External): Power Input: 95 - 125 vac at 60 Hz for "A" Models, 100 - 240 vac at 50 Hz for "AE" Models which haveIEC power cable connector. Power Consumption: 4 watts typical Power Adapter: 9VDC, 1.0 Amps; cen...
Page 17 - PWR; Indicates unit is receiving DC power.
100Mbps Economy Media Converters Installation and User Guide 5 LED Indicators for the 100Mbps Crossover Series (Dual, on front and on end) : PWR Indicates unit is receiving DC power. Note: 100Mbps Crossover models has Link Pass-through feature, see Section 4.5 LINK, Fiber port Steady ON when both at...
Page 18 - Summary of models and descriptions:
100Mbps Economy Media Converters Installation and User Guide 6 1.1 Summary of models and descriptions: LH1503A = Twisted pair to MM(Multi-Mode) fiber SC, ext. 115 vac, 60Hz AC Power Supply LH1503AE = Twisted pair to MM(Multi-Mode) fiber SC, ext. 230 vac, 50Hz AC Power Supply LH1504A = Twisted pair t...
Page 19 - INTRODUCTION; This package should contain:
100Mbps Economy Media Converters Installation and User Guide 7 2. INTRODUCTION This section describes the LH503A, LH1503AE, LH1504A, LH1504AE, LH1506A, LH1506AE, LH1507A,LH1507AE, LH1508A and LH 1508AE 100Mbpsmedia converter models, including appearance, features and typical applications. 2.1 Inspec...
Page 20 - Product Description
100Mbps Economy Media Converters Installation and User Guide 8 Remove the Black Box Media Converter from the shipping container. Be sure to keep the shipping container should you need to ship the unit at a later date. In the event there are items missing or damaged contact your supplier. If you need...
Page 21 - LED Indicators, for LED function information.
100Mbps Economy Media Converters Installation and User Guide 9 from the RJ-45 port to the connected 10/100 switch port at Link-enable, or (b) “reg” regular media converter mode, no auto-negotiation. Black Box 100Mbps Economy Crossover Media Converters are designed for quick and easy installation eve...
Page 22 - interference with other nearby electronic devices.
100Mbps Economy Media Converters Installation and User Guide 10 Black Box 100Mbps Crossover Media Converters are designed to operate at high ambient temperatures over an extended period, making them some of the most reliable in the industry. Their high-strength fabricated metal packaging shields aga...
Page 23 - LH1504A with ST integrates; Model comes in three models, with three
100Mbps Economy Media Converters Installation and User Guide 11 The Black Box 100Mbps Crossover media converter LH504A models are equipped with one multi-mode fiber-ST and one RJ-45 connector for connection into 100BASE-FX segments. LH1504A with ST integrates 100BASE-TX and FX networks, with fiber S...
Page 24 - FX and 100BASE-TX compliant Fast Ethernet network segments.; TX and FX networks, with fiber SC
100Mbps Economy Media Converters Installation and User Guide 12 equipped with one fiber SC-type port and one RJ-45 port for connection into 100BASE- FX and 100BASE-TX compliant Fast Ethernet network segments. LH1503As with SC integrate 100BASE- TX and FX networks, with fiber SC connectors. The Black...
Page 26 - Features and Benefits; and inexpensively connect Twisted-Pair TX with Fiber FX cabling.; Low PDV for Maximum Cable Lengths in Shared 100Mb Segments; Black Box 100Mbps Crossover Media Converters add signal timing
100Mbps Economy Media Converters Installation and User Guide 14 2.3 Features and Benefits Reduces Network Costs Black Box 100Mbps Media Converters offer an ideal solution to quickly and inexpensively connect Twisted-Pair TX with Fiber FX cabling. Full-duplex or Half-duplex transparent, auto-negotiat...
Page 27 - iently combined with 10Mbps in a rack mount using LH1505P-RACK.; Two sets of LEDs for viewing status from any angle.
100Mbps Economy Media Converters Installation and User Guide 15 Small, Compact, Lightweight Design, Rack mountable Featuring a compact and lightweight metal case with an external power supply, multiple 100Mbps Crossover Media Converters can be conven- iently combined with 10Mbps in a rack mount usin...
Page 28 - Applications
100Mbps Economy Media Converters Installation and User Guide 16 2.4 Applications The primary function of a Black Box 100Mbps Crossover Media Converter is to permit two different media types to coexist within the same network by allowing data to be transmitted / received between different media types...
Page 31 - Fiber
100Mbps Economy Media Converters Installation and User Guide 19 A typical 100Mb Crossover Media Converter application converts copper media to fiber, with auto-negotiation support for the attached device on the copper port. Fiber (100BASE-FX) 100 BASE-TX wiring segment 1 2 3 4 5 6 7 8 9 10 11 1 2 1 ...
Page 32 - INSTALLATION; Proper attachment of metal
100Mbps Economy Media Converters Installation and User Guide 20 3.0 INSTALLATION This section describes the installation of the Black Box 100Mbps Crossover Media Converters, including location, segment distance calculation and media connection. 3.1 Locating the 100Mbps Economy Crossover Media Conver...
Page 34 - media-converters be placed on a tray, up to a maximum of 16 units.
100Mbps Economy Media Converters Installation and User Guide 22 media-converters be placed on a tray, up to a maximum of 16 units. (The mounting spaces of the LH1505-RACK are specific to the 10Mb “Economy”- seriesand the 100Mbps “Crossover” series, and do not permit other models or other sizes to be...
Page 37 - Calculating Segment Distances; where P
100Mbps Economy Media Converters Installation and User Guide 25 3.4 Calculating Segment Distances The media distance considerations are quite different for full-duplex and for half-duplex (standard Fast Ethernet) installations. Each is covered below in a section. 3.4.1 Power Budget Calculations for ...
Page 38 - mode; mode; FX; mode; FX; mode
100Mbps Economy Media Converters Installation and User Guide 26 The following data has been collected from component manufacturer’s (HP’s andSiemens’) web sites and catalogs to provide guidance to network designers and installers. Fiber Port Module Speed, Std. Mode Std. km fdx (hdx) Wave- length nm ...
Page 39 - only; if the following
100Mbps Economy Media Converters Installation and User Guide 27 * Note: The use of either multi-mode or single-mode fiber to operate at 100Mbps speed over long distances (i.e., over approx. 400 meters) can be achieved only if the following factors are both applied: • The 100Mb fiber segment must ope...
Page 40 - mode and up to 25Km for single mode (or 40Km for “Long Haul” single mode).
100Mbps Economy Media Converters Installation and User Guide 28 limitations are not a factor. Specifically, fiber segments can be up to 2Km for multi- mode and up to 25Km for single mode (or 40Km for “Long Haul” single mode). The Black Box 100Mbps Crossover media converter, with full-duplex operatio...
Page 41 - Media Distance Formula for 100Mbps Crossover Model, full-duplex:; Where
100Mbps Economy Media Converters Installation and User Guide 29 Segment length on each side of the 100Mbps Crossover Media Converter is measured as a percentage of the maximum allowable standard media distance for the given media type. The percentages, when added together, must not exceed 100%. Medi...
Page 42 - Connectivity between; In the example shown
100Mbps Economy Media Converters Installation and User Guide 30 Connectivity between 100BASE-TX and 100BASE- FX Ethernet Media. In the example shown above, the length of fiber Segment X is 1500m (4920 ft). This is 75% of the maximum allowable distance for multi- mode 100BASE-FX fiber full- duplex me...
Page 43 - Where more than one media converter is used in one
100Mbps Economy Media Converters Installation and User Guide 31 duplex twisted-pair media (100 m) [10/100 x 100% = 10%]. The total of the two percentages (75% + 10%) is 85%, which is allowable. Note 1: Where more than one media converter is used in one segment run, the percentages for all of the cab...
Page 44 - of both of the attached media types.
100Mbps Economy Media Converters Installation and User Guide 32 3.4.3 Segment Distances, Half-duplex mode Fast Ethernet shared bandwidth devices operate with multiple nodes in a traffic domain. When a node attempts to send a packet, it may hit another packet passing by, i.e., a collision may occur. ...
Page 45 - of the collision domain.
100Mbps Economy Media Converters Installation and User Guide 33 3.4.4 Collision Domain (PDV Calculations) A collision domain is defined in the IEEE 802.3u standard as a cluster of network devices that, regardless of topology, must be less than 512 BT (Bit Times) of signal delay (PDV or Path Delay Va...
Page 48 - least 2 to 4 BT is recommended.
100Mbps Economy Media Converters Installation and User Guide 36 To determine whether a prospective network topology adheres to the collision domain diameter specification, the following formula should be applied to the worst case path through the network. The worst case path is the path between the ...
Page 49 - “Rules-of-thumb” Collision Domain Calculations
100Mbps Economy Media Converters Installation and User Guide 37 “Rules-of-thumb” Collision Domain Calculations Rules-of-thumb, while inexact, may be helpful in planning network topology. As a rule-of-thumb, a Class II Repeater has a PDV of about 90 to 95 BTs, and twisted- pair or fiber media has a P...
Page 50 - nodes are 10 meters in length. The solution is :
100Mbps Economy Media Converters Installation and User Guide 38 100Mbps Crossover Media Converters will be of benefit when they allow the use of fiber media, but not to gain distance by facilitating use of fiber media instead of twisted pair. As a sample calculation, consider the question of what fi...
Page 51 - minus 10 BT for two short TP cables from the hubs to 100Mbps Economy
100Mbps Economy Media Converters Installation and User Guide 39 minus 10 BT for two short TP cables from the hubs to 100Mbps Economy Crossover model’s leaves 2022 BTs, minus 60 BT for two 100Mbps Economy Crossover models leaves 142 BTs for fiber cable, which indicates a fiber cable length of about 1...
Page 52 - 12 = total available Bit Times in a collision domain diameter,
100Mbps Economy Media Converters Installation and User Guide 40 connected via Category 5 twisted pair cable, a maximum of 30 meters (100 ft.) in length. It is desired to connect one remote user with a fiber NIC via fiber cable, using a 100Mbps economy Crossover models in the circuit. How long can th...
Page 53 - Connecting Fast Ethernet Media; Connect the other end of the cable to the corresponding device.
100Mbps Economy Media Converters Installation and User Guide 41 3.5 Connecting Fast Ethernet Media Connecting Ethernet media to the Black Box 100Mbps Crossover Media Converter is very simple and straightforward. Using a properly terminated media segment, simply attach the cable end to the appropriat...
Page 56 - Connecting Fiber Optic 100BASE-FX, Type MT-RJ Small Form Factor; the tip of the connector on the 100Mbps Economy Crossover model.
100Mbps Economy Media Converters Installation and User Guide 44 3.5.3 Connecting Fiber Optic 100BASE-FX, Type MT-RJ Small Form Factor The following procedure applies to 100BASE-FX applications using the 100Mbps Crossover model with MT-RJ (snap-in, two-fibers-in-one-piece) fiber connectors. 1. Before...
Page 57 - Power Requirements, Power Supply Types; power and are designed to be used with an external power supply.
100Mbps Economy Media Converters Installation and User Guide 45 4.0 OPERATION This section describes the operation of the Black Box 100Mbps Economy Crossover Media Converters including power supply, up-link switch and AN/reg functionality, and LEDs. 4.1 Power Requirements, Power Supply Types Black B...
Page 58 - LED; Illuminates GREEN to indicate the unit is receiving DC power.
100Mbps Economy Media Converters Installation and User Guide 46 4.2 Dual LED Indicators (front and side-panel LEDs) LED Description PWR Illuminates GREEN to indicate the unit is receiving DC power. Note: 100Mbps Economy Crossover Media Converters have the Link Pass-through feature, see Section 4.5 L...
Page 60 - reg; AN; If the attached
100Mbps Economy Media Converters Installation and User Guide 48 4.4 Manual AN / reg Switch (Auto-negotiate or Full-duplex Fixed 100Mb) Black Box 100Mbps Economy Crossover Media Converters are equipped with a manual switch on the RJ-45 copper port. It is located just underneath the up-link switch, an...
Page 61 - BUT NOTE; position and do; and will always operate correctly in this situation.
100Mbps Economy Media Converters Installation and User Guide 49 the 100Mbps Crossover Media Converter in order to decide what to do. Not receiving FLPs would indicate (incorrectly) that the 100Mbps Economy Crossover model is only capable of half-duplex operation. Setting the switch in the AN positio...
Page 62 - Figure 4.4 End View of the 100Mb Economy Crossover Media Converter; En d vie w; Switch
100Mbps Economy Media Converters Installation and User Guide 50 Figure 4.4 End View of the 100Mb Economy Crossover Media Converter En d vie w Up-link Switch ( ) ) ( up-link user device AN/ reg
Page 63 - LINK Pass-Through feature in 100Mbps Economy Crossover Model:; The LINK Pass-through feature is standard in all 100Mbps Economy
100Mbps Economy Media Converters Installation and User Guide 51 4.5 LINK Pass-Through feature in 100Mbps Economy Crossover Model: The LINK Pass-through feature is standard in all 100Mbps Economy Crossover model’s and works one way only, i.e., RJ-45 with pass-through to fiber. It allows network devic...
Page 65 - TROUBLESHOOTING
100Mbps Economy Media Converters Installation and User Guide 53 5.0 TROUBLESHOOTING All Black Box Ethernet products are designed to provide reliability and consistently high performance in all network environments. The installation of 100Mbps Crossover Media Converters is a simple procedure (see Sec...
Page 67 - When Calling for Assistance; Please be prepared to provide the following information.
100Mbps Economy Media Converters Installation and User Guide 55 5.2 When Calling for Assistance Please be prepared to provide the following information. 1. A complete description of the problem, including the following points:a. The nature and duration of the problem;b. Situations when the problem o...
Page 68 - Shipping and Packaging Information; CAUTION
100Mbps Economy Media Converters Installation and User Guide 56 5.3 Shipping and Packaging Information Should you need to ship the unit back to Black Box Corporation, please followthese instructions: 1. Package the unit carefully. It is recommended that you use the originalcontainer if available. Un...