Black Box LBH1500A - Manuals

Page 2 - Black Box LH1500 Media Converters; Trademarks; UL is a registered trademark of Underwriters Laboratories

Black Box LH1500 Media Converters Installation and User Guide (08/05) Black Box LH1500 Media Converters Installation and User Guide Trademarks UL is a registered trademark of Underwriters Laboratories Ethernet is a trademark of Xerox Corporation All applied-for and registered trademarks are the prop...

Page 3 - Contacting Black Box; Black Box Corporation

Black Box LH1500 Media Converters Installation and User Guide (08/05) Contacting Black Box Please use the mailing address and phone and fax numbers listed below: Black Box Corporation P.O. Box 12800 Pittsburgh, PA 15241 Phone: (724) 746-5500 Fax: (724) 746-0746

Page 4 - FCC STATEMENT; the user’s authority to operate the equipment.

Black Box LH1500 Media Converters Installation and User Guide (08/05) FCC STATEMENT FEDERAL COMMUNICATIONS COMMISSION & CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS This equipment generates, uses, and can radiate radio frequency energy and if not installed and us...

Page 5 - ELECTRICAL SAFETY STATEMENT

Black Box LH1500 Media Converters Installation and User Guide (08/05) 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 the Canadian Department of Communications. Le présent appareil numérique n’é...

Page 6 - Todas las instrucciones de operación y uso deben ser seguidas.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 4. Todas las instrucciones de operación y uso deben ser seguidas. 5. El aparato eléctrico no deberá ser usado cerca del agua—por ejemplo, cerca de la tina de baño, lavabo, sótano mojado o cerca de una alberca, etc.. 6. El aparato ...

Page 7 - Servicio por personal calificado deberá ser provisto cuando:

Black Box LH1500 Media Converters Installation and User Guide (08/05) 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 atención a los contactos y receptáculos donde salen del aparat...

Page 8 - TABLE OF CONTENTS

Black Box LH1500 Media Converters Installation and User Guide (08/05) TABLE OF CONTENTS Page 1.0 SPECIFICATIONS .................................................................................... 1 1.1. Technical Specifications *.........................................................................

Page 9 - Page; Changed in this revision

Black Box LH1500 Media Converters Installation and User Guide (08/05) TABLE OF CONTENTS (CONTINUED) Page 3.3.3 Power Budget Calculations for Fiber media * .................................. 37 4.0 OPERATION ........................................................................................... 3...

Page 10 - Specifications; Fast

Black Box LH1500 Media Converters Installation and User Guide (08/05) 1 1.0 SPECIFICATIONS 1.1. Technical Specifications Performance: Data Rate: 100 Mb/s Half- or Full-Duplex, auto-sensing 800ns (80 bit-times) Path Delay Value (PDV) for conversion delay Network Standards: Fast Ethernet IEEE 802.3u: ...

Page 11 - Number of Media Converters in series:; Note: Black Box LH1500 Media Converters

Black Box LH1500 Media Converters Installation and User Guide (08/05) 2 Number of Media Converters in series: Experience shows that up to three units can be used in series between repeaters. For 4 or more in series, noise build-up will typically preclude proper operation. Maximum Standard Fast Ether...

Page 12 - Operating Environment:; Ambient Temperature: 32; Power Consumption: 5 watts max. for the unit

Black Box LH1500 Media Converters Installation and User Guide (08/05) 3 Operating Environment: Ambient Temperature: 32 º F to 122 º F (0 º C to 50 º C) Storage Temperature: -20 º C to 60 º C Ambient Relative Humidity: 10% to 95% (non-condensing) Power Supply (External): Power Input: 95-125 vac at 60...

Page 14 - LED Indicators for the Black Box LH1500’s and LH1501’s:

Black Box LH1500 Media Converters Installation and User Guide (08/05) 5 LED Indicators for the Black Box LH1500’s and LH1501’s: LED TX port FX port Description PWR Indicates unit is receiving DC power. LINK TP Fiber Steady ON when proper link is established at both ends of the media segment, i.e., w...

Page 15 - Description; Twisted pair to mm fiber SC, ext. 115 vac, 60Hz power supply

Black Box LH1500 Media Converters Installation and User Guide (08/05) 1.2 Model Number Description LH1500A-SC-R3 Twisted pair to mm fiber SC, ext. 115 vac, 60Hz power supply LH1500AE-SC-R3 Twisted pair to mm fiber SC, ext. 230 vac, 50Hz power supply LH1500A-ST-R3 Twisted pair to mm fiber ST, ext. 11...

Page 16 - This section describes the Black Box LH1500’s and LH1501’s Media; Inspecting the Package and Product; the items listed below are included.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 7 2.0 INTRODUCTION This section describes the Black Box LH1500’s and LH1501’s Media Converters, including appearance, features and possible applications. 2.1 Inspecting the Package and Product Examine the shipping container for ob...

Page 17 - Set of two (2) metal mounting clips with screws; USE OF A 12VDC POWER SUPPLY WILL DAMAGE THE UNIT

Black Box LH1500 Media Converters Installation and User Guide (08/05) 1 Set of two (2) metal mounting clips with screws 1 Velcro ® Tape section, approximately 3 inches in length Remove the Black Box LH1500 Media Converter from the shipping container. Be sure to keep the shipping container should you...

Page 18 - Product Description; Ethernet cabling configuration as network requirements change.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 9 2.2 Product Description Black Box LH1500 Media Converters offer a convenient and graceful way to convert and transmit data among twisted pair and fiber network cabling environments. They allow the use of fiber media with full-du...

Page 19 - specific LED function information.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 10 nearby AC wall socket or power strip. Each converter features a full set of LEDs that convey essential diagnostic and status information. See Section 4.1, LED Indicators, for specific LED function information. Black Box LH1500 ...

Page 20 - The Black Box LH1500A-ST is equipped with one fiber-ST and one RJ-45; Twisted Pair

Black Box LH1500 Media Converters Installation and User Guide (08/05) The Black Box LH1500A-ST is equipped with one fiber-ST and one RJ-45 connector for connection to 100BASE-FX compliant networks segments. An LH1500A-ST-R2 integrates 100BASE-TX and FX networks, with fiber ST connectors. Twisted Pai...

Page 21 - The Black Box LH1500A-SC is equipped with one fiber-SC and one RJ-45

Black Box LH1500 Media Converters Installation and User Guide (08/05) The Black Box LH1500A-SC is equipped with one fiber-SC and one RJ-45 connector for connection to 100BASE-FX compliant networks segments. Twisted Pair (100BASE-TX) Fiber (SC-type) LINK LINK PWR Black Box LH1500 Media Converter 100 ...

Page 22 - Features and Benefits; and inexpensively connect Twisted-Pair TX with Fiber FX segments.; Low PDV for Maximum Cable Lengths in Shared Segments; Bit Times in a shared half-duplex segment, less than a Class II Fast

Black Box LH1500 Media Converters Installation and User Guide (08/05) 13 2.3 Features and Benefits Reduces Network Costs Black Box LH1500 Media Converters offer an ideal solution to quickly and inexpensively connect Twisted-Pair TX with Fiber FX segments. Full-duplex or Half-duplex operation, au...

Page 23 - Full Complement of LEDs.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 14 Small, Compact, Lightweight Design Featuring a compact and lightweight metal case with an external power supply, Black Box LH1500 Media Converters can be conveniently installed in minimal space, on horizontal or vertical surf...

Page 24 - Applications; distance calculation information.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 15 2.4 Applications The primary function of Black Box LH1500 Media Converter is to permit two different media types to coexist within the same network by allowing data to be transmitted and received between different media types. ...

Page 25 - ed

Black Box LH1500 Media Converters Installation and User Guide (08/05) 16 ed ed 100M b hubs via fiber. 00 Two Black Box LH1500s provide connectivity for switch ch LH15 1 2 3 4 5 6 7 8 9 1 0 11 1 2 1 3 1 4 1 5 16 1 7 1 8 1 9 20 2 1 2 2 23 2 4 1 2 3 4 5 6 7 8 9 1 0 13 14 15 1 6 1 7 18 19 2 0 21 2 2 1 1...

Page 26 - wiring segment

Black Box LH1500 Media Converters Installation and User Guide (08/05) cable. It is necessary to calculate the PDV of the overall collision domain (see Section 3.2.2) for proper operation when the LH1500 is used in shared half-duplex applications. 17 s or users via fiber. Black Box LH1500 provides co...

Page 27 - Locating the Media Converter Unit; Secure attac

Black Box LH1500 Media Converters Installation and User Guide (08/05) 3.0 INSTALLATION This section describes the installation of the Black Box LH1500 Media Converters, including location, segment distance calculation and media connection. 3.1 Locating the Media Converter Unit The compact and lightw...

Page 28 - Calculating Segment Distances; below in a separate section.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 19 Make sure the unit is installed in a location that is easily accessible to an AC power outlet or power strip, and where convection cooling is not inhibited. 3.2 Calculating Segment Distances The media distance considerations ar...

Page 29 - mode and up to 15Km for single mode.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 20 limitations are not a factor. Specifically, fiber segments can be up to 2Km for multi- mode and up to 15Km for single mode. The Black Box LH1500, with full-duplex operation as a standard feature, can be used in these applicatio...

Page 31 - Segment X; Connectivity between 100BASE-TX and 100BASE-FX Ethernet Media.

Black Box LH1500 Media Converters Installation and User Guide (08/05) Twisted Pair (100BASE-TX) Fiber Multimode (100BASE-FX) LINK LINK PWR Black Box Media Converter 100 Mb/s U P LIN K Segment Y10m (33ft) Segment X 1500m (4920ft) Connectivity between 100BASE-TX and 100BASE-FX Ethernet Media. In the e...

Page 32 - Where more than one media converter is used in one

Black Box LH1500 Media Converters Installation and User Guide (08/05) 23 100BASE-TX full-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 perce...

Page 34 - Collision Domain; placement of the LH1500 in the topology of the collision domain.; Collision Domain Diameter

Black Box LH1500 Media Converters Installation and User Guide (08/05) 25 Collision Domain 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 Value) in diameter...

Page 36 - devices (DTEs) which have the longest round trip delay time.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 27 Table 3.2.2b: Worst case round-trip delay for Fast Ethernet device components* Component Round-trip delay in Bit Times (BT) 2 TX DTEs 100 2 FX DTEs 100 1 FX and 1 TX DTE 100 2 T4 DTEs 138 1 T4 and 1 TX or FX DTE 127 Class I Rep...

Page 37 - at least 4 BT is recommended.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 28 PDV = (sum of cabling delays) + (sum of repeater & media converter delays) + (DTE pair delays) + (safety margin) PDV is the Path Delay Value of the worst case path. For the network to adhere to IEEE 802.3u standard, this va...

Page 38 - “Rules-of-thumb” Collision Domain Calculations

Black Box LH1500 Media Converters Installation and User Guide (08/05) 29 “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 medi...

Page 39 - 12 = total available Bit Times in a collision domain diameter,

Black Box LH1500 Media Converters Installation and User Guide (08/05) 30 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 fiber cable distance (connected by a pair of Black Box LH1500 o...

Page 40 - which indicates a fiber cable length of about 40 meters.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 31 which indicates a fiber cable length of about 40 meters. It is obvious that using twisted pair wiring to connect the hubs would enable the interconnect length to be the 100 meters maximum for twisted pair media, and this would ...

Page 41 - 12 = total available Bit Times in a collision domain diameter,

Black Box LH1500 Media Converters Installation and User Guide (08/05) 32 The solution is : 512 = total available Bit Times in a collision domain diameter, minus 100 BT for two DTEs on each end leaves 412 BTs, minus 90 BT for one Class II stackable repeater leaves 322 BTs, minus 30 BT for one 30-mete...

Page 42 - Connecting Ethernet Media; the cable end to the appropriate connector.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 33 3.3 Connecting Ethernet Media Connecting Ethernet media to the Black Box LH1500 Media Converter is very simple and straightforward. Using a properly terminated media segment, simply attach the cable end to the appropriate conne...

Page 43 - cable is connected properly and is not defective.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 34 3. Use the LINK LED to ensure proper connectivity by noting that the LED will be illuminated when the unit is powered and proper connection is established. If the LINK LED is not illuminated, change the setting of the up-link s...

Page 44 - fiber connectors to remedy this situation.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 35 Note: One strand of the duplex fiber optic cable is coded using color bands at regular intervals; you must use the color-coded strand on the associated ports at each end of the fiber optic segment. 3. Connect the Transmit (TX) ...

Page 45 - Power Budget Calculations for Fiber Media; where P

Black Box LH1500 Media Converters Installation and User Guide (08/05) 36 3.4.1 Power Budget Calculations for Fiber Media Receiver Sensitivity and Transmitter Power are the parameters necessary to compute the power budget. To calculate the power budget of different fiber media installations, the foll...

Page 46 - mode; mode; only; if the following

Black Box LH1500 Media Converters Installation and User Guide (08/05) 37 Fiber Port Module Speed, Std. Mode Std. km fdx (hdx) Wave- length nm Cable Size µ m X’mitr Output P T , dB R’cvr Sens. P R , dB Worst OPB, dB Worst* distance Km, fdx typical OPB, dB typical* distance Km, fdx LH1500A MST, MSC 10...

Page 47 - description of all LEDs.; Power Requirements, Power Supply Types; used with an external power supply.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 38 4.0 OPERATION This section describes the operation of the Black Box LH1500 Media Converters including power supply requirements, up-link switch functionality, and a description of all LEDs. 4.1 Power Requirements, Power Supply ...

Page 48 - Front Panel LEDs

Black Box LH1500 Media Converters Installation and User Guide (08/05) 39 4.2 Front Panel LEDs LED Description PWR Illuminates GREEN to indicate the unit is receiving DC power. LINK (RJ-45 port) Illuminates GREEN, to indicate proper connectivity on the 100BASE-TX network segment. LINK will turn off i...

Page 49 - network hub or concentrator.; End view - Black Box L; user device

Black Box LH1500 Media Converters Installation and User Guide (08/05) for normal twisted pair connection to a user device. When set to the DOWN position (X), the Media Converter is wired with cross-over functionality for direct up-link to a network hub or concentrator. 40 H1500 Up-link Switch End vi...

Page 50 - Black Box for assistance.; Before Calling for Assistance; to; Chapters 3; and

Black Box LH1500 Media Converters Installation and User Guide (08/05) 41 5.0 TROUBLESHOOTING If problems should develop during installation or operation, follow the suggestions below prior to calling Technical Support for help. If you are unsure of any procedure described in this chapter, or if the ...

Page 51 - during installation.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 42 2. Check the cables and connectors to make sure that they have been properly connected and the cables/wires have not been crimped or in some way impaired during installation. 3. Check that the AC power cord is plugged into a fu...

Page 52 - When Calling for Assistance; Please be prepared to provide the following information.

Black Box LH1500 Media Converters Installation and User Guide (08/05) 43 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 th...

Page 53 - procedures should all be noted in this record.; Shipping and Packaging Information; CAUTION

Black Box LH1500 Media Converters Installation and User Guide (08/05) 44 4. A record of changes that have been made to your network configuration prior to the occurrence of the problem. Any changes to system administration procedures should all be noted in this record. 5.3 Return Material Authorizat...