Kramer 621T Manuale utente

KRAMER ELECTRONICS LTD.

USER MANUAL

MODEL:

621T

DVI Optical Transmitter

621R

DVI Optical Receiver

P/N: 2900-000103 Rev 8

621T, 621R – Contents

Contents

1Introduction 1

2Getting Started 2

2.1 Achieving the Best Performance 2

2.2 Safety Instructions 3

2.3 Recycling Kramer Products 3

3Overview 4

3.1 About the Power Connect™ Feature 5

3.2 Using Twisted Pair Cable 5

4Defining the 621T, 621R DVI Optical Transmitter/Receiver 6

4.1 Defining the 621T DVI Optical Transmitter 6

4.2 Defining the 621R DVI Optical Receiver 7

5Connecting and Operating the 621T, 621R 8

5.1 Connecting the 621T/621R DVI Optical Transmitter/Receiver 8

5.2 Operating the 621T/621R DVI Optical Transmitter/Receiver 10

5.3 Wiring the TP LINE IN / LINE OUT RJ-45 Connectors 10

6Technical Specifications 12

Figures

Figure 1: 621T DVI Optical Transmitter 6

Figure 2: 621R DVI Optical Receiver 7

Figure 3: 621T and 621R DVI Optical Transmitter and Receiver System 8

Figure 4: Connecting the 621T, 621R DVI Optical Transmitter/Receiver 9

Figure 5: TP PINOUT 10

621T, 621R - Introduction

1 Introduction

Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been

providing a world of unique, creative, and affordable solutions to the vast range of

problems that confront video, audio, presentation, and broadcasting professionals

on a daily basis. In recent years, we have redesigned and upgraded most of our

line, making the best even better!

Our 1,000-plus different models now appear in 11 groups that are clearly defined

by function: GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Routers;

GROUP 3: Control Systems; GROUP 4: Format/Standards Converters; GROUP 5:

Range Extenders and Repeaters; GROUP 6: Specialty AV Products; GROUP 7:

Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9:

Room Connectivity; GROUP 10: Accessories and Rack Adapters and GROUP 11:

Sierra Products.

Congratulations on purchasing your Kramer 621T, 621R DVI Optical

Transmitter/Receiver, which is ideal for the following typical applications:

Digital display systems

Flat panel displays, plasma display panels and projectors in conference

rooms and auditoriums

Kiosks with digital flat panel displays for information display

621T, 621R - Getting Started

2 Getting Started

We recommend that you:

Unpack the equipment carefully and save the original box and packaging

materials for possible future shipment

Review the contents of this user manual

Go to http://www.kramerelectronics.com/support/product_downloads.asp

to check for up-to-date user manuals, application programs, and to check if

firmware upgrades are available (where appropriate).

2.1 Achieving the Best Performance

To achieve the best performance:

Use only good quality connection cables (we recommend Kramer high-

performance, high-resolution cables) to avoid interference, deterioration in

signal quality due to poor matching, and elevated noise levels (often

associated with low quality cables)

Do not secure the cables in tight bundles or roll the slack into tight coils

Avoid interference from neighboring electrical appliances that may adversely

influence signal quality

Position your Kramer 621T, 621R away from moisture, excessive sunlight

and dust

This equipment is to be used only inside a building. It may only be

connected to other equipment that is installed inside a building.

621T, 621R - Getting Started

2.2 Safety Instructions

Caution:

There are no operator serviceable parts inside the unit

Warning:

Use only the Kramer Electronics input power wall

adapter that is provided with the unit

Warning:

Disconnect the power and unplug the unit from the wall

before installing

Warning:

Do not look directly into the LC receptacles of the

621T, while powered on, although this product is

regulated strictly enough to operate under the Laser

Class 1, classified by CDRH/FDA for eye safety

2.3 Recycling Kramer Products

The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC

aims to reduce the amount of WEEE sent for disposal to landfill or incineration by

requiring it to be collected and recycled. To comply with the WEEE Directive,

Kramer Electronics has made arrangements with the European Advanced

Recycling Network (EARN) and will cover any costs of treatment, recycling and

recovery of waste Kramer Electronics branded equipment on arrival at the EARN

facility. For details of Kramer’s recycling arrangements in your particular country

go to our recycling pages at http://www.kramerelectronics.com/support/recycling/.

621T, 621R - Overview

3 Overview

The high-performance Kramer 621T and 621R are an optical transmitter and

receiver pair for DVI signals for computer graphics signals. They support

resolutions of up to 1920x1200 at 60Hz and HDTV resolutions of up to 1080p at

60Hz. The 621T converts a DVI signal into an optical signal and the 621R converts

the optical signal back to DVI.

The 621T and 621R have a transmission range of more than 300ft (more than

100m) of single link high-resolution digital graphic data over fiber optic cables and

EDID/HDCP parameters over DDC (UTP) cabling.

Using DDC (Digital Display Channel), the display can inform the video card about its

properties, such as the maximum resolution and the color depth. The video card can then use

this information to ensure that you are presented with valid options for configuring the display.

In particular, the 621T/621R pair features:

A single-link DVI connection that supports a resolution of up to 1920x1200 at

a 60Hz refresh rate

Maximum data rate of 4.95Gbps (1.65Gbps per graphic channel)

Transmission of one red, one green and one blue channel, and one clock over

the fiber optic cables, with 4 simplex or 2 duplex LC fiber connectors

DDC/HDCP interconnection over CAT 5 with RJ-45 connectors, and also

provides power via the UTP cable

Class 1 Laser Eye Safety in compliance with FDA/CDRH and IEC 60825-1

Compliance with the limits for a Class A digital device, pursuant to part 15

and 2 of FCC and CE

Freedom from special memory size, CPU speed and chipsets, when using a

computer

HDTV compatibility

621T, 621R - Overview

3.1 About the Power Connect™ Feature

The Power Connect™ feature here means that only one unit in a system, the

transmitter or receiver, needs to be connected to a power source when the

devices are within 90m (270ft) of each other. The Power Connect™ feature

applies as long as the cable can carry power and the distance does not exceed

90m on standard TP cable. For longer distances, use heavy gauge cable (TP

cable is still suitable for the video/audio transmission, but not for feeding the power

at these distances).

3.2 Using Twisted Pair Cable

Kramer engineers have developed special twisted pair cables to best match our

digital twisted pair products; the Kramer: BC-DGKat524 (CAT 5 24 AWG), the

Kramer: BC-DGKat623 (CAT 6 23 AWG cable), and the Kramer: BC-DGKat7a23

(CAT 7a 23 AWG cable). These specially built cables significantly outperform

regular CAT 5 / CAT 6 / CAT 7a cables.

621T, 621R - Defining the 621T, 621R DVI Optical Transmitter/Receiver

4 Defining the 621T, 621R DVI Optical

Transmitter/Receiver

This section defines the DVI Optical Transmitter/Receiver:

621T DVI Optical Transmitter (see Section 4.1)

621R DVI Optical Receiver (see Section 4.2)

4.1 Defining the 621T DVI Optical Transmitter

Figure 1: 621T DVI Optical Transmitter

Feature

Function

DVI IN Connector

Connects to the DVI source

12V DC

12V DC connector for powering the unit

POWER LED

Lights when receiving power

LINK LED

Lights when receiving a stable DVI signal

OPTIC CABLE

CL R

Connect to the optic connectors on the 621R

G B

DDC CAT 5 Connector

Connects to the DDC RJ-45 connector on the 621R

using a UTP CAT5 cable with RJ-45 connectors at both

ends (the PINOUT is defined in 5.3)

621T, 621R - Defining the 621T, 621R DVI Optical Transmitter/Receiver

4.2 Defining the 621R DVI Optical Receiver

Figure 2: 621R DVI Optical Receiver

Feature

Function

DVI OUT Connector

Connects to the DVI acceptor

12V DC

12V DC connector for powering the unit

POWER LED

Lights when receiving power

LINK LED

Lights when receiving a stable DVI signal

OPTIC CABLE

R CL

Connect to the optic connectors on the 621T

B G

DDC CAT 5 Connector

Connects to the DDC RJ-45 connector on the 621T

using a UTP CAT5 cable with RJ-45 connectors at both

ends (the PINOUT is defined in Section 5.3

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