Black Box LBH100A-SC User Manual

Black Box LBH100A-SC User Manual

Black box lbh100a-sc: user guide
Hide thumbs Also See for LBH100A-SC:

Advertisement

© Copyright 2004.
Black Box Corporation. All rights reserved.
1000 PARK DRIVE • LAWRENCE, PA 15055-1018 • 724-746-5500 • FAX 724-746-0746
10 Mbps
100Mbps
Media Converter Switches
CUSTOMER
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
SUPPORT
FREE tech. support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
INFORMATION
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
September 2004
LBH100A, AE
LBH100A, AE-H
LBH100A, AE-P
LBH110A, AE
LBH110A, AE-H
LBH110A, AE-P

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the LBH100A-SC and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Black Box LBH100A-SC

  • Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX SUPPORT FREE tech. support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 INFORMATION Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com September 2004 LBH100A, AE...
  • Page 2: Black Box

    Section 5, Troubleshooting, of this User Guide. ® Copyright © 2004 BLACK BOX Corporation. All rights reserved. No part of this publication may be reproduced without prior written permission from Black Box, Inc. Printed in the United States of America. Installation and User Guide Series...
  • Page 3 ® BLACK BOX Media Converter Switches Installation and User Guide Contacting Black Box Corporation Please use these mailing address and phone and fax numbers: Black Box Corporation 1000 Park Drive Pittsburgh, PA 15055 Phone: (724) 746-5500 Fax: (724) 746-0746 E-mail: info@blackbox.co...
  • Page 4 ® BLACK BOX Media Converter Switches Installation and User Guide 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 used properly, that is, in strict accordance with the manufacturer’s instructions, may cause interference to radio communication.
  • Page 5 ® BLACK BOX Media Converter Switches 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’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le...
  • Page 6 ® BLACK BOX Media Converter Switches 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 eléctrico debe ser usado únicamente con carritos o pedestales que sean reconnendados por el fabricante.
  • Page 7 ® BLACK BOX Media Converter Switches Precaución debe ser tomada de mal manera que la tierra fisica y la polarización del equipo no sea eliminada. 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...
  • Page 8 ® BLACK BOX Media Converter Switches Installation and User Guide Certification Notice for Equipment Used in Canada The Canadian Department of Communications label identifies certified equipment. This certification means that the equipment meets certain telecommunications-network protective, operation, and safety requirements. The Department does not guarantee the equipment will operate to the user’s satisfaction.
  • Page 9 ® BLACK BOX Media Converter Switches equipment, or equipment malfunctions, may give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines, and internal metallic water pipe system, if present, are connected together.
  • Page 10: Table Of Contents

    ® BLACK BOX Media Converter Switches TABLE OF CONTENTS SPECIFICATIONS ... 1 Technical Specifications ... 1 INTRODUCTION ... 13 Inspecting the Package and the Product... 13 Product Description ... 14 Frame Buffering and Latency ... 22 Features and Benefits... 24 Applications for LBH100A and LBH110A Media Converter ...
  • Page 11 ® BLACK BOX Media Converter Switches Connecting Ethernet Media ... 45 3.8.1 Connecting Twisted Pair (RJ-45, CAT 3 or CAT 5) ... 47 3.8.2 Connecting Fiber Optic ST-type, “twist-lock”... 48 3.8.3 Connecting Fiber Optic SC-type, "Snap-In"... 49 3.8.4 Connecting Single-Mode Fiber Optic ... 49 3.8.5...
  • Page 12 ® BLACK BOX Media Converter Switches Installation and User Guide Revisions Rev A 01/05: Corrections on pages 30 & 33 Rev A 10/04: Minor editing correction on power supply options Rev A 09/04: Initial release of this user manual for LBH100-series Media Converter Switches ®...
  • Page 13: Specifications

    ® BLACK BOX Media Converter Switches SPECIFICATIONS Technical Specifications Ports Performance When a port is operating at 100Mbps: Data Rate: 100Mbps When a port is operating at 10 Mbps: Data Rate: 10 Mbps Network Standards 100Mb: Ethernet IEEE 802.3u, 100BASE-TX, 100BASE-FX 10 Mb: Ethernet IEEE 802.3, 10BASE-T...
  • Page 14 ® BLACK BOX Media Converter Switches Packet buffers memory: 128KB, dynamically shared on all domains Latency (not including packet time): Path Delay Value: 50 BT on all ports Maximum Ethernet Segment (or Domain) Lengths 10BASE-T (Unshielded twisted pair) 100BASE-TX (CAT 5 UTP)
  • Page 15 ® BLACK BOX Media Converter Switches Installation and User Guide LBH100, LBH110 office: 32ºF to 104ºF (0ºC to 40ºC) LBH100, LBH110: -15ºF to 140ºF (-25ºC to 60ºC) long term per agency tests (UL). -40ºF to 185ºF (-40ºC to 85ºC) Short term per IEC Type tests.
  • Page 16: Power Supply

    ® BLACK BOX Media Converter Switches Enclosure: Rugged sheet metal (steel). Dimensions of the Switch unit: 3.5 in H x 3.0 in W x 1.0 in D (8.9 cm x 7.6 cm x 2.5 cm) Weight: base unit, all models: 4.6 oz. (130g);...
  • Page 17 ® BLACK BOX Media Converter Switches Installation and User Guide voltage (i.e. 9vdc, 12vdc, 24vdc, 48vdc), and suitably rated output current (i.e. 100mA to 500mA).When connected to a 48 V centralized dc source these products shall be provided with a Listed 5 A DC fuse in the supply circuit.
  • Page 18 ® BLACK BOX Media Converter Switches Installation and User Guide International models. Factory floor temperature rated. Input: IEC 320 connector on the 100-240vac 47-63Hz external power adapter. Requires a user-supplied power cord. Output:12vdc, 1.25Amps Temperature un-controlled Extreme Ratings (-40 to 75°C) North America(-Pd) models.
  • Page 19 ® BLACK BOX Media Converter Switches Installation and User Guide Internal DC POWER SUPPLY : built-in terminal block for +, -, ground along with 12VDC jack 12V DC internal (range of 8.0 to 15V DC),. 24V DC internal (range of 18 to 36V DC),.
  • Page 20 ® BLACK BOX Media Converter Switches Port Connectors: Two RJ-45 Ports: support 100BASE-TX and 10BASE-T with auto-cross (MDIX). They are shielded 8-pin female connectors for shielded (STP) and unshielded (UTP) Cat 3, 4, 5 copper twisted-pair cable. One Fiber optic port: On the LBH110 series, it is 10Base-FL with ST connector.
  • Page 21 ® BLACK BOX Media Converter Switches LED Indicators (Dual: front and top) POWER: Steady ON when power applied 10/100: Steady ON for 100Mbps; OFF for 10 Mbps LK/ACT: Steady ON for LINK (LK) with no traffic, BLINKING indicates port is transmitting / receiving (Activity).
  • Page 22 ® BLACK BOX Media Converter Switches Agency Approvals and Standards Compliance: Emissions meets FCC Part 15 Class A. UL Listed (UL 60950), cUL, CE, NEBS L3 and ETSI compliant. H and P models: IEEE P1613 Env. Std for Electric Power Substations...
  • Page 23 ® BLACK BOX Media Converter Switches Installation and User Guide LBH100 Models (for 100Mb fiber). LBH100A-ff = two 10/100 RJ-45 ports + one 100 Mb “ff” Fiber port for office and wiring closet (0 to 40°C) using an external AC power supply.
  • Page 24 ® BLACK BOX Media Converter Switches Installation and User Guide “SST” = 100Base-FX-ST: single-mode fiber optic with ST type connector, 20km. “SLC”= 100Base-FX-SLC: single-mode fiber optic with LC type connector, 15km. “MTRJ”= 100Base-FX-MTRJ: multi-mode fiber optic with MTRJ type connector, 2km.
  • Page 25: Introduction

    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 Black Box. If you need to return the unit, use the original shipping container. Refer to Section 5 Troubleshooting, for specific return procedures.
  • Page 26: Product Description

    Add in fiber port choices for all multi-mode and single-mode fiber connector types plus AC or DC input power selection and multiple application environments, and you have the Black Box’s LBH100A, AE and LBH110A, AE-series Media Converter Switch family.
  • Page 27 ® BLACK BOX Media Converter Switches a Media Converter might have been used, a Converter Switch offers a better value. The compact package is ideal for network edge installations, and is able to be conveniently mounted to suit any application.
  • Page 28 ® BLACK BOX Media Converter Switches Installation and User Guide components and are constructed using special thermal techniques and a metal case for heavy duty industrial jobs. In addition to a Hardened AC power option and jack, terminals for internal DC power choices at 8 to15V, 24V or -48V DC are included. The ambient temperature rating of –25 to 60C is for industrial use.
  • Page 29 ® BLACK BOX Media Converter Switches Installation and User Guide protected from falling rain. Mounting options include stand-alone panel-mounting, DIN- rail, or rack-mount tray. The LBH110-series provides switching between two 10/100 auto-negotiating copper ports and one 10Mb ST fiber port and the LBH100 series provides switching between two 10/100 auto-negotiating copper ports and one 100Mb fiber port which may be SC, ST, MTRJ or LC multi-mode or single-mode.
  • Page 30 ® BLACK BOX Media Converter Switches Installation and User Guide metal case for convection cooling is featured. Ambient operating temperature is 0° to 40°C. Storage temperature rating is -40°to 85°C. Metal clips are included for secure panel mounting. Fig 2.2a LBH100A with 100Mb ST connector The LBH100A-H and LBH110A-H hardened units (as shown in Fig 2.2b) are designed for factory...
  • Page 31 ® BLACK BOX Media Converter Switches Installation and User Guide Fig 2.2.b LBH100A-H with 100Mb SC connector The LBH100A-P and LBH110A-P series (as shown in Fig. 2.2c) are extreme rated units suitable for temperature un-controlled outdoor applications. Specially designed with extreme-grade extended temperature...
  • Page 32 ® BLACK BOX Media Converter Switches Installation and User Guide Fig 2.2c LBH100A-P with 100Mb SC Connector The front side of the unit has two twisted-pair 10/100Mb switch ports and one 10 or 100Mb fiber port. Both the RJ-45 ports of the LBH100A and LBH110A Series Media Converter Switches support auto-cross (MDIX) operation performing the auto-cross function under auto-negotiation mode only.
  • Page 33 ® BLACK BOX Media Converter Switches Two sets of LEDs to indicating the operating status of ports are mounted on the top and front (for extra viewing advantage while rack-mounted). For each port, there are Link and Activity (LK/ACT) LED’s on the top indicating that the media cables are connected correctly and showing, by blinking, when there is traffic.
  • Page 34: Frame Buffering And Latency

    ® BLACK BOX Media Converter Switches 2.3 Frame Buffering and Latency The LBH100A and LBH110A Series Media Converter Switches are store-and- forward switches. Each frame (or packet) is loaded into the Switch’s memory and inspected before forwarding can occur. This technique ensures that all forwarded frames are of a valid length and have the correct CRC, i.e.
  • Page 35 ® BLACK BOX Media Converter Switches per port. When the port buffer fills up, dropped packets result.) This dynamic buffer allocation provides the capability for the maximum resources of the LBH100A and LBH110A Series unit to be applied to all traffic loads, even when the traffic activity is unbalanced across the ports.
  • Page 36: Features And Benefits

    ® BLACK BOX Media Converter Switches 2.4 Features and Benefits Full 100Mb or 10 Mb switching services for high performance LANs LBH100A and LBH110A Series Switches provide Fast Ethernet switching on all ports. They perform high speed filter/forward operations on the traffic, giving each port’s segment a full 100Mb (or 10 Mb) of bandwidth.
  • Page 37 ® BLACK BOX Media Converter Switches Installation and User Guide Installation is “Plug and Play”, operation is transparent to software The LBH100A and LBH110A Series Switches operate as hardware switches, only forwarding those packets from each domain that are needed on the other domains.
  • Page 38 ® BLACK BOX Media Converter Switches Qualified to use for temperature un-controlled “outdoor” application The LBH100A-P and LBH110A-P Extreme rated versions of Media Converter Switches have an ambient temperature rating between –40C to +75C for DC models and qualify for temperature un-controlled “outdoor” application.
  • Page 39: Applications For Lbh100A And Lbh110A Media Converter

    ® BLACK BOX Media Converter Switches Installation and User Guide Applications for LBH100A and LBH110A Series Media Converter Switches Enriched with the three tier hardness rating flavors “office”, “Hardened”, and “Extreme” (outdoor), the multifunctional, multi-media and multi-environmental, LBH100A and LBH110A Series Media Converter Switches fit very well in almost any environment enabling users to scale their networks quickly and cost effectively.
  • Page 40 ® BLACK BOX Media Converter Switches Installation and User Guide industry standard fiber connectors, enable easy interfacing with existing cable plant and equipment. The LBH100Ps and LBH110Ps fit very well in high temperature locations experiencing a need to scale the LAN quickly and cost effectively. With its half / full duplex switching...
  • Page 41 ® BLACK BOX Media Converter Switches data across large distances with multi- or single–mode fiber while securing the LAN from EMI and wire tapping. LE2425 WWW.GarrettCom.Com Server Server IBM Compatible Server Test computer Port 1 Port 2 Port 3 GarrettCom...
  • Page 42 ® BLACK BOX Media Converter Switches Example 2: LBH100A-H and LBH110A-H LE2425A WWW.GarrettCom.Com 12V, 1.5Amps 12V, 1.5Amps Magnum DS80C Dual Speed Magnum DS80C Dual Speed Personal Hub Personal Hub Power Power Link/Act Link/Act Error Error Speed Speed GARRETT GARRETT PORTS...
  • Page 43 ® BLACK BOX Media Converter Switches Installation and User Guide In this application, where in expanding an industrial network environment, the new PLC units are deployed on an existing network and each needs one (or two for redundancy) Ethernet ports to carry status and control data to the control center the hardened version of LBH100A-H or LBH110A-H is typically used.
  • Page 44 ® BLACK BOX Media Converter Switches Example 3: LBH100A-P or LBH110A-P LE2425 WWW.GarrettCom.Com GARRETT GARRETT GARRETT 12V, 1.5Amps 12V, 1.5Amps 12V, 1.5Amps Magnum DS80C Dual Speed Magnum DS80C Dual Speed Magnum DS80C Dual Speed Personal Hub Personal Hub Personal Hub...
  • Page 45 ® BLACK BOX Media Converter Switches Installation and User Guide In this example, the LBH100A-P or LBH110A-P Series extreme Media Converter Switches are deployed to serve as a secure corporate or transportation surveillance system. CCTV cameras may be spread out over many miles in temperature un-controlled locations and with pan, tilt and zoom (PTZ) controlled through an Ethernet copper port .The extreme...
  • Page 46: Installation

    ® BLACK BOX Media Converter Switches INSTALLATION This section describes the installation of the LBH100A and LBH110A Series Media Converter Switches, including location, mountings, power supply options and media connection. 3.1 Locating the Converter Switch Unit The compact and lightweight design of the LBH100A and LBH110A Series allows it to be easily installed in almost any location.
  • Page 47: Black Box

    ® BLACK BOX Media Converter Switches Installation and User Guide Installation of the LBH100A and LBH110A Series Media Converter Switches is a simple procedure. The installation location is dependent upon the physical layout of the Ethernet network and associated cabling. Make sure the unit is installed in a location that is easily accessible to an AC power outlet or the appropriate DC source and where cooling is not inhibited.
  • Page 48 ® BLACK BOX Media Converter Switches Installation and User Guide mounted with the DC power jack in the back, with the fiber and the RJ-45 connectors in the front. Any mix of the Media Converter Switches and/or Media Converters may be placed on a tray, up to a maximum of 16 units.
  • Page 49: Lh1505P-Rack For Rack Mounting Media Converter Switches

    MC’s are not wired for power). Typically, 3 to 8 MC units are in use with a LH1505P-RACK, with expansion space left available. The LH1505P-RACK holds up to 10 mix-match of 10Mbps and 100Mbps Black Box Media Converter Switches. (The MC mounting spaces of the LH1505P-RACK are specific to the 10Mb “LBH110A”- series and the 100Mbps “LBH100A”...
  • Page 50 ® BLACK BOX Media Converter Switches The side-view picture shown here is an example of an installation of the model LH1505P- RACK, 19” rack-mount tray, holding a few 10 and 100Mbps Media Converter Switches, each with their power input plugged into the built-in common AC power supply in the rear area of the tray.
  • Page 51: Din-Rail Mounting Option

    ® BLACK BOX Media Converter Switches 3.4 DIN-Rail mounting option The LBH100A and LBH100A Series Media Converter Switches, designed for use in “Factory Floor” Industrial Ethernet environments, are also available for DIN-Rail mounting in an enclosure having DIN Rails. An LBH100 is shown alongside...
  • Page 52: Power Requirements, Supply Types For Lbh100A And Lbh110A

    ® BLACK BOX Media Converter Switches 3.5 Power Requirements, Power Supply Types for LBH100A and LBH110A Series LBH100A and LBH110A Series Switches are power-efficient and can work with an external AC power supply. LBH100A and LBH110A Series require a nominal 12VDC input version.
  • Page 53 ® BLACK BOX Media Converter Switches 12VDC 24VDC The Direct DC (Internal) 12V DC (8 – 15V DC) has a built-in terminal block for +, -, ground. The 9V DC jack is also present. Detail information about the 12 VDC, the 24V DC and the –48V DC is provided in the Technical Specifications Section 1.1.
  • Page 54: Powering The Lbh-Series (Dc Internal) Power Input

    ® BLACK BOX Media Converter Switches 3.6 Powering the LBH-series (DC internal) with 12V, 24V or –48VDC power input Many models of the LBH100-Series MC’s are equipped with an internal DC power supply, and have built-in screw terminals for secure attachment of the power leads.
  • Page 55 ® BLACK BOX Media Converter Switches DC Power Terminals: “+”, “-”, gnd GND: Terminal for “earth” or ground wire connection to the LBH100 chassis Input Voltage: 8 - 15V DC (12V DC) 18 – 36V DC (24V DC) 36 – 60V DC (-48V DC) Input current: 0.8 amp.(12V DC)
  • Page 56: Lbh100H And P Series , Dc-Powered, Installation

    ® BLACK BOX Media Converter Switches Installation and User Guide 3.7 LBH100H and P Series , DC-powered, -48VDC, 24VDC and 12VDC Installation This section describes the proper connection of the - 48VDC leads (or 24VDC, 12VDC leads) to the DC power...
  • Page 57: Connecting Ethernet Media

    ® BLACK BOX Media Converter Switches The connection procedure is straightforward. Simply insert the DC leads to the LBH100H’s power terminals, positive (+) and negative (-) screws. The use of Ground (GND) optional; it connects to the LBH100H chassis. Ensure that each lead is securely tightened from the top, as shown here.
  • Page 58 ® BLACK BOX Media Converter Switches TX connections. When the ports are used as 10BASE-T ports, CAT 3 may be used. In either case, the maximum distance for unshielded twisted pair cabling is 100 meters (328 ft). For fiber port 10BASE-FL or 100BASE-FX multi-mode, 50/125 or 62.5/125 microns cabling can be used, whereas for single-mode, 9/125 microns cabling should be used.
  • Page 59: Connecting Twisted Pair (Rj-45, Cat 3 Or Cat 5)

    ® BLACK BOX Media Converter Switches NOTE : It is recommended that high quality CAT. 5 cables (which work for both 10 Mbps and 100Mbps) be used whenever possible in order to provide flexibility in a mixed-speed network, since P80-series switch ports are auto-sensing for either 10 and 100Mbps.
  • Page 60: Connecting Fiber Optic St-Type, "Twist-Lock

    ® BLACK BOX Media Converter Switches For Port # 1 or 1SW, if the LINK LED is not illuminated, move the switch which has a cross-over or up-link for linking to another hub or Switch. 3.8.2 Connecting Fiber Optic ST-type, “twist-lock”...
  • Page 61: Connecting Fiber Optic Sc-Type, "Snap-In

    ® BLACK BOX Media Converter Switches LINK is not lit after cable connection, the normal cause is improper cable polarity. Swap the fiber cables at the fiber connector to remedy this situation. 3.8.3 Connecting Fiber Optic SC-type, "Snap-In" The following procedure applies to installations using SC-type fiber connectors, i.e., using multi-mode SC and SC single-mode.
  • Page 62: Power Budget Calculations For Lbh100A And Lbh110A

    ® BLACK BOX Media Converter Switches 3.8.5 Power Budget Calculations for LBH100A and LBH110A Series, 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...
  • Page 63 ® BLACK BOX Media Converter Switches Fiber Speed, Std. km Wavel Cable X’mitr Port ength Size Output Mode Std. µm Module (hdx) LBH100- 100Mb Multi- 1300 62.5/125 mode (0.4) MST, MSC 50/125 -23.5 100Mb Single- LBH100- 1300 9/125 mode (0.4)
  • Page 64: Connections To Nics Which Support Auto-Negotiation

    ® BLACK BOX Media Converter Switches * 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 factors are both applied: • The 100Mb fiber segment must operate in full-duplex (FDX) mode, and •...
  • Page 65: Operation

    ® BLACK BOX Media Converter Switches OPERATION 4.1 Dual-Speed Functionality, and Switching The LBH100A and LBH110A Series Media Converter Switches provide four switched ports (three ports in the front and one on the rear). The architecture supports a dual speed switching environment, with standard auto-negotiation capability.
  • Page 66 ® BLACK BOX Media Converter Switches Installation and User Guide Switching, Filtering and Forwarding Each time a packet arrives on one of the switched ports, the decision is taken to either filter or to forward the packet. Packets whose source and destination addresses on the same port segment will be filtered, constraining them to one port and relieving the rest of the network from processing them.
  • Page 67: Auto-Cross (Mdix), Auto-Negotiation And Speed-Sensing

    ® BLACK BOX Media Converter Switches Switching, Address Learning The LBH100A and LBH110A Series units have address table capacity of 2K node addresses, and are suitable for use in large networks. They are self-learning, so that as nodes are added or removed or moved from one segment to another, the LBH100- and LBH110- Series switch automatically keeps up with node locations.
  • Page 68: F- H) Switch, Full-Duplex Or Half-Duplex Options For Fiber Port # 1

    ® BLACK BOX Media Converter Switches 10 or 100 Mbps speed and F/H duplex mode, and the device at the other end of the cable should similarly advertise / respond and both sides will agree to the speed and mode being used.
  • Page 69 ® BLACK BOX Media Converter Switches Installation and User Guide LK/ ACT Steady ON for LINK with no traffic, blinking for activity per port. LINK will turn off in the event connectivity is lost between the ends of the twisted pair segment or a loss of power occurs in the unit or remote device.
  • Page 70 LBH100A and LBH110A Series 10/100 Mb/s Switch is not performing as expected, do not attempt to repair the unit; instead contact your supplier for assistance or contact BLACK BOX Customer Support. Installation and User Guide...
  • Page 71: Before Calling For Assistance

    ® BLACK BOX Media Converter Switches 5.1 Before Calling for Assistance If difficulty is encountered when installing or operating the unit, refer back to the Installation Section of the applicable chapter of this manual. Also check to make sure that the various components of the network are interoperable.
  • Page 72 If the problem continues after completing Step 4 above, contact your supplier of the LBH100A and LBH110A Series 10/100 Mb/s Switch unit or if unknown, contact BLACK BOX, Inc by phone at (724) 746-5500 or by other appropriate method Installation and User Guide...
  • Page 73: When Calling For Assistance

    The components involved in the problem; d. Any particular application that, when used, appears to create the problem; 2. An accurate list of BLACK BOX product model(s)involved, with serial number(s). Include the date(s) that you purchased the products from BLACK BOX.
  • Page 74: Shipping And Packaging Information

    Return Material Authorization (RMA) Procedure 5.3.1 Shipping and Packaging Information Should you need to ship the unit back to Black Box Corporation, please follow these instructions: 1. Package the unit carefully. It is recommended that you use the original container if available. Units should be wrapped in a "bubble-wrap" plastic sheet or bag for shipping protection.
  • Page 75 This material may cause electro-static shock damage to the unit. 2. Clearly mark the Return Material Authorization (RMA) number on the outside of the shipping container. 3. Black Box Corporation is not responsible for your return shipping charges. 4. Ship the package to: Black Box Corporation...

Table of Contents