
Kramer Electronics, Ltd.
USER MANUAL
Models:
673T, HD-SDI Optical Transmitter
673R, HD-SDI Optical Receiver

Contents
Contents
1 Introduction 1
2 Getting Started 1
2.1 Quick Start 2
3 Overview 3
3.1 Recommendations for Achieving the Best Performance 4
4 Your HD-SDI Optical Transmitter and Receiver 4
4.1 Your 673T HD-SDI Optical Transmitter 4
4.2 Your 673R HD-SDI Optical Receiver 5
5 Connecting the 673T and 673R Transmitter/Receiver Sy stem 6
6 Technical Specifications 8
Figures
Figure 1: 673T HD-SDI Optical Transmitter 4
Figure 2: 673R HD-SDI Optical Receiver 5
Figure 3: Connecting the 673T/673R Transmitter/Receiver System
Tables
Table 1: 673T HD-SDI Optical Transmitter Features 5
Table 2: 673R HD-SDI Optical Receiver Features
Table 3: Technical Specifications of the 673T and the 673R 8
7
5

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 the video, audio, presentation, and
broadcasting professional 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
function.
Congratulations on purchasing your Kramer DigiTOOLS® 673T HD-SDI
Optical Transmitter and/or 673R HD-SDI Optical Receiver which are ideal
for:
• Home theater, presentation and multimedia applications
• Long range multimedia distribution for cinemas, stores, and e n tertainm ent
centers
• Video production and broadcast facilities
• Retail stores and other point-of-sale systems
2
The package
includes the following:
• 673T and 673R
• 2 power adapters (5V DC Input)
• This user ma nual
3
1
that are clearly defined by
2 Getting Started
We recommend that you:
• Unpack the e quipment carefully and save the original b ox and pac kaging
materials for possible future shipment
• Review the contents of this user manual
4
• Use Kramer high performance high resolution cables
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; 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 Conne ctivity; GROUP 10: Accessories
and Rack Adapters; GROUP 11: Sierra Products
2 Each package consists of a transmitter and receiver set. Each item in the set is rendered to work specifically with each other,
so two separate sets should not be mixed
3 Download up-to-date Kramer user manuals from the Internet at http://www.kramerelectronics.com
4 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Getting Started
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.