Kramer Electronics R500-2, R500A User Manual

Kramer Electronics, Ltd.

USER MANUAL



Models:

Cobra R500A,

Cobra R500-2,

Video-Audio receiver

Video-RS-232 receiver

Contents

Introduction 1

Getting Started 1

Overview 2

Setup and Installation 3

4.1 Making the Connections 3

4.2 Connections on the VGA/Audio Transmitter 4

4.3 Connections on the Video/Serial Transmitter 5

4.4 Configuration Settings 6

4.5 Video Adjustment 6

Solutions to Common Problems 7

Technical Specifications 10

Figures

Figure 1: Transmitter Connections 4 Figure 2: Cobra R500A Video-Audio receiver Connections 4 Figure 3: Transmitter Connections 5 Figure 4: Cobra R500-2 Video-RS-232 receiver Connections 5

Tables

Table 1: Cobra R500A / Cobra R500-2 Configuration Settings 6 Table 2: Cable Length EQ Settings 6 Table 3: HD15 Video Connector PINOUT 8 Table 4: T568B CAT 5 PINOUT 9 Table 5: 1/8” (3.5 mm) Audio/Serial Connection (model dependent) 9 Table 6: Technical Specifications of the Cobra R500A, Cobra R500-2 10

Introduction

1 Introduction

Welcome to Kramer Electronics (since 1981): a world of unique, creative and affordable solutions to the infinite range of problems that confront the video, audio and presentation professional on a daily basis. In recent years, we have redesigned and upgraded most of our line, making the best even better! Our 500-plus different models now appear in 8 Groups1, which are clearly defined by function.

Congratulations on purchasing your Kramer Cobra R500A Video-Audio receiver and/or Cobra R500-2 Video-RS-232 receiver. The Kramer Cobra Series System extends VGA and audio signals over ordinary Category 5 cable. This manual covers the Cobra R500A Video-Audio receiver with audio, and the Cobra R500-2 Video-RS-232 receiver with RS-232 serial support. For information on the respective transmitter unit, refer to the appropriate manual included with the transmitter.

The package includes the Cobra R500A Video-Audio receiver or the Cobra R500-2 Video-RS-232 receiver, an external power supply, and this user manual2.

The Kramer Cobra series products are not compatible with Kramer non-Cobra

series products.

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

 Use Kramer high performance high resolution cables3. You may

also need CAT 5 cable. We recommend that you use our Kramer Pico Skew CAT 5e cable4

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:

Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;

GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors

2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com

3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

4 In addition, you may also need 1/8” (3.5mm) audio cable with RCA jac ks, 1/8” (3.5mm) serial cable with DB9 connector,

and Video cable with HD15 connectors

Overview

3 Overview

CAT 5/5e/6 cabling for this product must be pinned to the TIA-EIA T568B wiring specification (see appendix A). We also highly recommend that all CAT 5 cables be pre-terminated and tested. Cables terminated on-site or in an existing infrastructure should be tested before use to ensure compliance with the TIA-EIA T568B specification. Using incorrectly terminated CAT 5 cables can damage this product.

We recommend using our Kramer Cobra ultra low skew cable—BC-HDTP (solid bulk) or BCP-HDTP (solid plenum bulk)—available in lengths of 700' (210m) and 1300' (390m).

Our Kramer Cobra series products are compatible with CAT 5/5e/6 data cabling as well as skew free CAT 5/5e cabling manufactured for video applications. Note that some skew free CAT 5 is specific to a particular vendor and is not compatible with our products. Ensure any skew free CAT 5 cable is non-proprietary prior to purchase / installation. CAT6 cable, due to the manufacture method, can exhibit much greater skew than standard CAT 5/5e and may require skew compensation beyond what the standard product offers. Contact Kramer Electronics for assistance.

Achieving the best performance means:

 Connecting only good quality connection cables, thus avoiding

interference, deterioration in signal quality due to poor matching, and elevated noise levels (often associated with low quality cables)

 Avoiding interference from neighboring electrical appliances that may

adversely influence signal quality and positioning your Cobra R500A / R500-2 in a location free from moisture and away from excessive sunlight and dust

Caution – No operator-serviceable parts inside unit.

Warning – Use only the Kramer Electronics input power

wall adapter that is provided with this unit1.

Warning – Disconnect power and unplug unit from wall

before installing or removing device or servicing unit.

Warning –This equipment is not intended for, nor does it

support, distribution through an Ethernet network. Do not connect these devices to any sort of networking or telecommunications equipment!

1 For example: model number AD2512C, part number 2535-000251

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Setup and Installation

4 Setup and Installation

First ensure all units have been configured for correct operation and signal types. See appropriate configuration sections of this manual and the respective transmitter manual.

4.1 Making the Connections

This section contains figures showing connections with the specific Cobra R500A / R500-2 series models. In general, however, the connection and setup

procedure at both transmitter and receiver ends is as follows:

At the transmitter end (refer to the transmitter user guide):

1. Connect the source video to the Cobra Series transmitter video input port,

which is an HD15 connector labeled SOURCE IN.

2. If desired, attach a local monitor via the local monitor port to LOCAL OUT.

3. Make your audio/serial connections via the 1/8” (3.5mm) audio connector or DB9 serial connector (transmitter model dependent).

4. Connect the CAT 5 cable to the transmitter.

5. Apply power on the transmitter. The LED should light and, if there is a local monitor attached, a video image should appear on the monitor’s screen.

At the receiver end:

1. Connect the VIDEO OUT HD15 connector to the display unit and attach any audio cabling.

2. Connect a 1/8” (3.5mm) audio or serial cable to the AUDIO or SERIAL OUT connection (model dependent).

3. Connect the CAT 5 cable to the UTP INPUT connection.

4. Apply power. The LED should light and video should appear on the display(make sure display is powered ON).

5. Adjust video levels.

With regard to connecting the cables:

 We recommend mounting and connecting all cabling to the Cobra R500A

/ R500-2 components before applying power.

 Be sure that the CAT 5 cable you intend to use has been tested to comply

with the T568B wiring specification (see Appendix A).

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