Black Box LH1706A-SC-US User Manual
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Black Box LH1706A-SC-US User Manual

10/100 to 100base-fx media converters
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LH1706A-SC-US
LH1706A-SC-EU
LH1706A-SC-UK
LH1706A-SC-AU
LH1706A-SC-JP
LH1706A-ST-US
LH1706A-ST-EU
10/100 to 100BASE-FX
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
Media Converters
LH1706A-ST-UK
LH1706A-ST-AU
LH1706A-ST-JP
LH1707A-SC-US
LH1707A-SC-EU
LH1707A-SC-UK
LH1707A-SC-AU
AUGUST 2003
LH1707A-SC-JP
LH1708A-SC-US
LH1708A-SC-EU
LH1708A-SC-UK
LH1708A-SC-AU
LH1708A-SC-JP

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  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...

  • Page 3: Industry Canada

    FCC AND IC RFI STATEMENTS FEDERAL COMMUNICATIONS COMMISSION INDUSTRY CANADA 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...
  • Page 4 10/100 TO 100BASE-FX MEDIA CONVERTERS 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 aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 5 NOM STATEMENT 10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor. 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.
  • Page 6 10/100 TO 100BASE-FX MEDIA CONVERTERS TRADEMARKS USED IN THIS MANUAL ST is a registered trademark of AT&T. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

  • Page 7: Table Of Contents

    Troubleshooting ......25 5.1 Calling Black Box....25...

  • Page 8: Specifications

    1. Specifications NOTE In this manual (except where noted otherwise): • LH1706A-ST represents models LH1706A-ST-US, LH1706A-ST-EU, LH1706A-ST-UK, LH1706A-ST-AU, and LH1706A-ST-JP. • LH1706A-SC represents models LH1706A-SC-US, LH1706A-SC-EU, LH1706A-SC-UK, LH1706A-SC-AU, and LH1706A-SC-JP. • LH1707A-SC represents models LH1707A-SC-US, LH1707A-SC-EU, LH1707A-SC-UK, LH1707A-SC-AU, and LH1707A-SC-JP.
  • Page 9 CHAPTER 1: Specifications User Controls: (1) DIP switch for half- or full-duplex operation Connectors: LH1706A-ST: (1) RJ-45, (2) ST ® (1) barrel connector for Power; LH1706A-SC, LH1707A-SC, LH1708A-SC: (1) RJ-45, (2) SC, (1) barrel connector for Power Indicators: (7) LEDs: (1) LFS, (1) 100, (2) LNK/ACT, (2) FDX/COL, (1) Power Temperature Tolerance: Operating: 32 to 158°F (0 to 70°C);...
  • Page 10 10/100 TO 100BASE-FX MEDIA CONVERTERS Power: All models: External power supply: Output: 12 VDC @ 0.8 A; LH1706A-ST-US, LH1706A-SC-US, LH1707A-SC-US, LH1708A-SC-US: Input: 120 VAC, 60 Hz (2-prong); LH1706A-ST-EU, LH1706A-SC-EU, LH1707A-SC-EU, LH1708A-SC--EU: Input: 230 VAC, 50 Hz (2-prong); LH1706A-ST-UK, LH1706A-SC-UK, LH1707A-SC-UK, LH1708A-SC--UK: Input: 230 VAC, 50 Hz (3-prong);...

  • Page 11: Introduction

    CHAPTER 2: Introduction 2. Introduction 2.1 Description The 10/100 to 100BASE-FX Media Converters connect your twisted-pair standard or Fast Ethernet to a multimode or single-mode Fast Ethernet fiberoptic network without adding to your repeater count. Featuring automatic MDI/MDI-X selection and Link Fault Setting (LFS), the media converter allows for direct connection to a workstation, switch, or hub.
  • Page 12 10/100 TO 100BASE-FX MEDIA CONVERTERS • Autonegotiation, NWay support via switch. • Remote and local loopback tests via DIP switch. Available models are described below. • LH1706A-ST: This model extends your standard or Fast Ethernet network up to 1.2 mi. (2 km) over 820-nm Fast Ethernet multimode fiberoptic cable via ST connectors.

  • Page 13: What The Package Includes

    CHAPTER 2: Introduction Figure 2-1. 10/100 to 100BASE-FX Media Converter with ST connectors. Figure 2-2. 10/100 to 100BASE-FX Media Converter with SC connectors. 2.2 What the Package Includes • (1) 10/100 to 100BASE-FX Media Converter • (1) AC adapter • (4) Non-skid rubber feet •...

  • Page 14: Installation

    10/100 TO 100BASE-FX MEDIA CONVERTERS 3. Installation 3.1 Things to Consider Before You Install the Converter 3.1.1 L OCATION The converter’s location may greatly affect its performance. When selecting a location, consider these guidelines: • Choose a fairly cool and dry spot. See Chapter 1 for the acceptable temperature and humidity operating ranges.

  • Page 15: The Dip Switches

    CHAPTER 3: Installation 3.1.2 T DIP S WITCHES The seven DIP switches are show in Figure 3-1. A description of each switch’s function in the chart below. Figure 3-1. DIP switches. DIP Switch Function Enables/disables auto-negotiation (RJ-45) Copper port (RJ-45) duplex mode: full or half-duplex Copper port (RJ-45) data bit rate: 10 Mbps or 100 Mbps Fiber port duplex mode: full duplex or half duplex Enables/disables Link Fault Signaling (LFS)
  • Page 16 10/100 TO 100BASE-FX MEDIA CONVERTERS set the optimum speed and duplex mode on the copper segment. Skip the settings for DIP-switches 2 and 3 when NWay is activated. If your network device does not support NWay, set the NWay DIP switch (#1) to OFF. Then use DIP-switch 2 to manually select either half-duplex (HD) or full duplex (FD) mode.

  • Page 17: Link Fault Signals (Lfs)

    CHAPTER 3: Installation 3. The converter functions properly for awhile, but then it doesn’t work. It works after powering off and then on again. 3.1.4 L (LFS) AULT IGNALING LFS is extremely helpful in network status monitoring. The LFS LED will immediately light when a cable has been severed or when some other disruption in service occurs.

  • Page 18: Loopback Tests

    10/100 TO 100BASE-FX MEDIA CONVERTERS 3.1.5 L OOPBACK ESTS The converter features DIP switches to activate both local and remote loopback diagnostic test functions. Use local loopback to see if the copper segment is connected properly. Use the remote loopback to see if the fiber segment is connected properly.
  • Page 19 CHAPTER 3: Installation Local Loopback 1. Test condition setup. For the function to produce an accurate result, be sure to set switches according to Table 3-1. Table 3-1. Test condition, local loopback. DIP Switches Converter A Converter B 2. Launch a loopback or diagnostics testing program and follow the instructions given.
  • Page 20 10/100 TO 100BASE-FX MEDIA CONVERTERS Remote Loopback 1. Test condition setup. For the function to produce an accurate result, be sure to set switches according to Table 3-2. Table 3-2. Test condition, remote loopback. DIP Switches Converter A Converter B 2.

  • Page 21: Installing The Converter

    CHAPTER 3: Installation NOTE On a PC, use a program such as Sniffer to conduct the tests. Other methods include the use of SmartBits series testing equipment. If you don’t have access to either method, call Technical Support. 3.2 Installing the Converter Once you’ve set your converter as described in Section 3.1, you’ll need to place it on a desktop or mount it on a wall.
  • Page 22 10/100 TO 100BASE-FX MEDIA CONVERTERS converter. Plug the power supply into a suitable power outlet. 3. Power on the converter. The power LED should light. If it does not, make sure that the power cable is plugged in properly. 4. Make sure that the Category 5 straight-through twisted-pair cable between the 10/100BASE-TX device (hub or switch) and the converter is no longer than 328 ft.

  • Page 23: Typical Applications

    CHAPTER 3: Installation 3.3 Typical Applications XAMPLE 328 ft. 328 ft. Fast Ethernet switch Fast Ethernet switch 328 ft. (100 m) 328 ft. (100 m) (100 m) (100 m) 10/100 to 100BASE-FX Media Converters Single-mode fiber cable (LH1707A-SC-US: 9.3 mi. [15 km]; LH1708A-SC-US: 18.6 mi.
  • Page 24 10/100 TO 100BASE-FX MEDIA CONVERTERS XAMPLE 328 ft. 328 ft. 328 ft. Fast Ethernet switch 328 ft. (100 m) (100 m) (100 m) (100 m) 10/100 to 100BASE-FX Media Converters Server Single-mode fiber cable (LH1707A-SC-US: 9.3 mi. [15 km]; LH1708A-SC-US: 18.6 mi. [30 km]) Figure 3-4.

  • Page 25: Led Indicators

    CHAPTER 4: LED Indicators 4. LED Indicators Once your 10/100 to 100BASE-FX Media Converter is properly installed, it operates maintenance-free. Several LEDs tell you the status of the converter and the network at a glance. See Figures 4-1 and 4-2. Figure 4-1.
  • Page 26 10/100 TO 100BASE-FX MEDIA CONVERTERS • The Power LED (located on the side of the converter) lights when the converter is receiving power. The unlit LED indicates a power failure or that the power is off. • The LFS LED lights when there’s a connection disruption in the copper/fiber segment.

  • Page 27: Troubleshooting

    Media Converter is malfunctioning, do not attempt to alter or repair the unit. It contains no user-serviceable parts. Contact Black Box at 724-746-5500. Before you do, make a record of the history of the problem. We will be able to provide more efficient and...

  • Page 28: Shipping And Packaging

    10/100 TO 100BASE-FX MEDIA CONVERTERS 5.2 Shipping and Packaging If you need to transport or ship your 10/100 to 100BASE-FX Media Converter: • Package it carefully. We recommend that you use the original container. • If you are shipping the media converter for repair, make sure you include everything that came in the original package.
  • Page 29 © Copyright 2003. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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