Black Box LMC009A-R5 Manual de usuario

LMC009A-R5

Compact Media Converter TP/BNC 50-ohm

Converts twisted-pair to 50-ohm coax

cable.

This converter uses already-installed 50-ohm analog cable,

so you won’t have to re-cable.

FCC and IC RFI Statements

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FCC and Industry Canada RF Interference Statements

Class A Digital Device. This equipment has been tested and found to

comply with the limits for a Class A computing device pursuant to Part 15 of

the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. However, there is no

guarantee that interference will not occur in a particular installation. This

equipment generates, uses, and can radiate radio frequency energy, and, if

not installed and used in accordance with the instructions, may cause

harmful interference to radio communications. If this equipment does cause

harmful interference to radio or telephone reception, which can be

determined by turning the equipment off and on, the user is encouraged to

try to correct the interference by one of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

•Consult an experienced radio/TV technician for help.

CAUTION

Changes or modifications not expressly approved by the party

responsible for compliance could void the user’s authority to operate

the equipment.

To meet FCC requirements, shielded cables and power cords are required to

connect this device to a personal computer or other Class A certified device.

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.

FCC and IC RFI Statements

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Certifications

UL/CUL: Listed to Safety of Information Technology Equipment, including

Electrical Business Equipment.

European Directive 2002/96/EC (WEEE) requires that any equipment that

bears this symbol on product or packaging must not be disposed of with

unsorted municipal waste. This symbol indicates that the equipment should

be disposed of separately from regular household waste. It is the

consumer’s responsibility to dispose of this and all equipment so marked

through designated collection facilities appointed by government or local

authorities. Following these steps through proper disposal and recycling will

help prevent potential negative consequences to the environment and

human health. For more detailed information about proper disposal, please

contact local authorities, waste disposal services, or the point of purchase for

this equipment.

Class 1 Laser product, Luokan 1 Laserlaite,

Laser Klasse 1, Appareil A’Laser de Classe

Table of Contents

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Table of Contents

1. Specifications............................................................................................ 5

2. Overview: About the Compact Media Converter TP/BNC 50-ohm........... 6

3. Install the Compact Media Converter TP/BNC 50-ohm............................ 7

4. Operation.................................................................................................. 8

4.1 Compact Media Converter TP/BNC 50-ohm Front Panel ........................ 8

4.2 Twisted Pair Crossover/Pass-Through Switch......................................... 8

4.3 BNC Port Termination............................................................................... 8

5. Contacting Black Box................................................................................ 9

6. Fiber Optic Cleaning Guidelines............................................................. 10

7. Electrostatic Discharge Precautions....................................................... 11

Chapter 1: Specifications

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1. Specifications

Environmental

Operating Temperature: +32°F to +122°F (0°C to +50°C)

Storage Temperature: -4°F to +158°F (-20°C to +70°C)

Humidity: 5 to 90% (non-condensing)

Input Specifications: 100-240 ±10% V AC, 50/60Hz, 1/0.5A

Chapter 2: Overview: Compact Media Converter TP/BNC 50 Ohm

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2. Overview: About the Compact Media Converter TP/BNC 50-ohm

With the Compact Media Converter TP/BNC, 50-ohm coax cable installations

become more accessible.

The Compact Media Converter TP/BNC is a 10 Mbps Ethernet Twisted Pair

to 50-ohm Coax cable (e.g. RG-59) Media Converter, that allows the

continued use of the already-installed 50-ohm analog cable, eliminating the

need to re-cable. As a low-cost, IEEE 802.3 single-conversion, 1U high,

standalone media converter, the Compact Media Converter TP/BNC

converter 10Base-T twisted pair to 10Base-2 thin coax and includes one RJ-

45 connector and one RG-49 BNC connector. Each Compact Media

Converter TP/BNC includes diagnostic LEDs and an internal 100/240 V AC

power supply.

Part Number

Part Number Description

LMC009A-R5 Compact Media Converter TP/BNC 50-ohm

Chapter 3 Installation

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3. Install the Compact Media Converter TP/BNC 50-ohm

The Compact Media Converter TP/BNC converters come ready to install.

Deploy Compact Media Converter TP/BNC units in pairs, or connect a

Compact Media Converter TP/BNC converter to another Black Box

converter. To install a Compact Media Converter TP/BNC converter, first

make sure that the unit is placed on a flat surface. Attach the cables

between the Compact Media Converter TP/BNC and each device that will be

interconnect, the plug the unit into a reliable, filtered power source. Make

sure to connect the BNC port of the Compact Media Converter TP/BNC

converter only to 50-ohm coaxial cable.

When connecting an Ethernet cable to the Compact Media Converter

TP/BNC, make sure the cable corresponds to the Crossover/Pass-Through

switch. When using the Crossover cable, make sure the switch is out, in the

“X” setting. The switch can be pressed again to change the setting.

Chapter 4: Operation

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4. Operation

4.1 Compact Media Converter TP/BNC 50-ohm Front Panel

The LEDs

Each Compact Media Converter TP/BNC features diagnostic LEDs. The

following illustration shows the location of the LEDs, and other features, on

the Compact Media Converter TP/BNC. The LED functions for the Compact

Media Converter TP/BNC are as follows:

TP LNK/ACT Glows yellow when a twisted pair link is established and flickers when

data is being received

BNC ACT Flickers green in normal operation indicating activity on the BNC port

BNC COL Flickers red in normal operation indicating activity on the BNC segment

POWER Flickers yellow when the unit is receiving power

4.2 Twisted Pair Crossover/Pass-Through Switch

The twisted pair port on the Compact Media Converter TP/BNC features a

push-button switch, located next to the twisted pair connector, for selecting a

crossover workstation connection or Pass-Through repeater/hub connection.

Select a Pass-Through connection by pressing the push-button IN. A

Crossover connection is selected when the push-button is OUT. If uncertain

whether a Crossover or Pass-Through connection is needed, set the push-

button to the position that makes the TP LNK (link) LED glow.

4.3 BNC Port Termination

The Compact Media Converter TP/BNC features a 2-position, termination

switch (TERM) next to the BNC connector that allows a think coaxial

segment to be terminated at the port without the use of an external ‘T’

connector/terminator. (See the diagram in the Compact Media Converter

TP/BNC 50-ohm Front Panel section.)

If a ‘T’ connector/terminator is used, this switched must be set in the OFF

(disabled) position. Otherwise, double termination will result, which will

corrupt the signal.

Chapter 5: Contacting Black Box

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5. Contacting Black Box

Black Box Customer Service

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

Mail order: Black Box Corporation

1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com

E-mail: [email protected]

Chapter 6: Fiber Optic Cleaning Guidelines

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6. Fiber Optic Cleaning Guidelines

Fiber Optic transmitters and receivers are extremely susceptible to

contamination by particles of dirt or dust, which can obstruct the optic path

and cause performance degradation. Good system performance requires

clean optics and connector ferrules.

1. Use fiber patch cords (or connectors, if you terminate your own fiber) only

from a reputable supplier; low-quality components can cause many hard-to-

diagnose problems in an installation.

2. Dust caps are installed at Black Box to ensure factory-clean optical devices.

These protective caps should not be removed until the moment of connecting

the fiber cable to the device. Should it be necessary to disconnect the fiber

device, reinstall the protective dust caps.

3. Store spare caps in a dust-free environment such as a sealed plastic bag or

box so that when reinstalled they do not introduce any contamination to the

optics.

4. If you suspect that the optics have been contaminated, alternate between

blasting with clean, dry, compressed air and flushing with methanol to remove

particles of dirt.

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