Kramer Electronics, Ltd.
USER MANUAL
Models:
631T,
HDMI Optical Transmitter
631R,
HDMI Optical Receiver
Contents
i
Contents
1
Introduction 1
2
Getting Started 1
3
Overview 2
3.1
About HDMI 2
3.2
Recommendations for Best Performance 3
4
Your 631T / 631R 4
4.1
Your DigiTOOLS® 631T HDMI Optical Transmitter 4
4.2
Your DigiTOOLS® 631R HDMI Optical Receiver 6
5
Using the 631T/631R HDMI Optical Transmitter/Receiver 8
5.1
Connecting the 631T/631R HDMI Optical Transmitter/Receiver 8
5.2
Operating the 631T/631R HDMI Optical Transmitter/Receiver 10
5.3
Wiring the DDC (CAT5) RJ-45 Connectors 11
5.4
Avoiding Pitfalls using the 631T / 631R 11
6
Technical Specifications 12
Figures
Figure 1: 631T HDMI Optical Transmitter 4
Figure 2: 631T HDMI Optical Transmitter (Top Side Panel) 4
Figure 3: 631T HDMI Optical Transmitter (Lower Side Panel) 5
Figure 4: 631R HDMI Optical Receiver 6
Figure 5: 631R HDMI Optical Receiver (Top Side Panel) 6
Figure 6: 631R HDMI Optical Receiver (Lower Side Panel) 7
Figure 7: Connecting the 631T/631R (Source and Acceptor Perspective) 9
Figure 8: Connecting the 631T/631R (OPTIC and DDC Cables Perspective) 10
Figure 9: CAT5 PINOUT 11
Tables
Table 1: 631T HDMI Optical Transmitter (Top Side Panel) Features 5
Table 2: 631T HDMI Optical Transmitter (Lower Side Panel) Features 5
Table 3: 631R HDMI Optical Receiver (Top Side Panel) Features 6
Table 4: 631R HDMI Optical Receiver (Lower Side Panel) Features 7
Table 5: CAT5 PINOUT 11
Table 6: Technical Specifications of the 631T / 631R 12
P/N: 2900 – 9999991 A1
ADDENDUM: Included with user manuals for machines with a CAT5 connector
This addendum describes the Power Connect feature used with Kramer
machines, and the choice between STP and UTP CAT5 cables.
Power Connect Feature1
The Power Connect feature lets you power a transmitter / receiver system by
connecting just one power adapter to either the transmitter or the receiver. The
other unit is fed over the same CAT5 cable.
The Power Connect feature applies as long as the CAT5 cable is heavy gauge
cable (that is, it can carry power). The distance does not exceed 50 meters on
standard cable.
For a distance of 100 meters, separate power supplies must be connected to the
transmitter and to the receiver simultaneously, unless using heavy gauge CAT5
cable.
Shielded Twisted Pair (STP) / Unshielded Twisted Pair (UTP)
The decision whether to use shielded twisted pair (STP) cable or unshielded
twisted pair (UTP) cable depends on the nature of the application.
It is recommended that in applications with high interference, shielded twisted
pair (STP) cable will give better results. However, the shield itself does create a
capacitance that degrades the frequency response of the machines. For shorter
distances, of 50m or so, shielded twisted pair (STP) cable is preferred because it
provides protection from interference (degradation is non-apparent).
For a long range application, unshielded twisted pair (UTP) cable is preferred.
However, the unshielded twisted pair (UTP) cable should be installed far away
from electric cables, motors etc., which are prone to create electrical interference.
1 This section of the addendum is only relevant to machines that support this feature (for example, the TP-104; not the
TP-100)
P/N: 2900 – 0001051 A1
ADDENDUM: 631T/631R
This addendum adds further information to section 5.3 in the 631T / 631R
HDMI Optical Transmitter/Receiver user manual:
Table 1A defines the CAT 5 Power PINOUT:
Table 1A: CAT 5 PINOUT
PIN Symbol Description
1 DDC Data GND DDC Data line return ground
2 DDC Data DDC Data line for (HDMI Digital Display Channel) DDC2B communication
3 DDC Clock GND DDC Clock line return ground
4 Power GND Main power return ground
5 Power Main power for Kramer module
6 DDC Clock DDC Clock line for (HDMI Digital Display Channel) DDC2B communication
7 5V_IN DVI 5V (DVI No. 14 pin for Display)
8 HPD Signal is driven by monitor to enable the system to identify the presence of a
Display
Introduction
1
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 350-plus
different models now appear in 8 Groups1, which are clearly defined by function.
Congratulations on purchasing your Kramer DigiTOOLS® 631T HDMI
2
Optical Transmitter and 631R HDMI2 Optical Receiver! The 631T / 631R
pair has a transmission range of more than 300 ft. (more than 100 meters).
The 631T / 631R are ideal for:
Home theater, presentation and multimedia applications
Long range multimedia distribution for cinemas, stores, and entertainment
centers
The 631T HDMI2 Optical Transmitter and 631R HDMI2 Optical Receiver are
available as two separate packages:
The 631T package includes the following items:
631T HDMI
2
Optical Transmitter
Power adapter (12V DC 500mA Input)3 and this user manual4
The 631R package includes the following items:
631R HDMI
2
Optical Receiver
Power adapter (12V DC 2.1A Input)3 and this user manual4
One HDMI/HDMI2 male-to-male cable
2 Getting Started
We recommend that you:
Unpack the equipment carefully and save the original box and packaging
materials for possible future shipment
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 High-Definition Multimedia Interface
3 When setting up a transmitter / receiver system you can connect the 12V power supplies to the transmitter and to the
receiver simultaneously. However, the power connect feature does let you connect just one power supply to either the
transmitter or receiver. In such a case, use the 2.1A power supply
4 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com
KRAMER: SIMPLE CREATIVE TECHNOLOGY
Overview
2
Review the contents of this user manual
Use Kramer high performance optical cables1. Note that the units are
designed for use with MULTI-MODE optical cables.
3 Overview
This user manual describes the Kramer DigiTOOLS® 631T HDMI
2
Optical
Transmitter and the Kramer DigiTOOLS® 631R HDMI2 Optical Receiver.
3.1 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed all-digital2
audio/video interface, widely supported in the entertainment and home
cinema industry. It delivers the highest image and sound quality.
In particular, HDMI:
Provides a simple3 interface between any audio/video source, such as a
set-top box, DVD player, or A/V receiver and an audio and/or video monitor,
such as a digital television (DTV), over a single lengthy4 cable
Supports standard, enhanced, high-definition video, and multi-channel
digital audio5 on a single cable
Transmits all ATSC HDTV standards and supports 8-channel digital
audio, with bandwidth to spare to accommodate future enhancements and
requirements
Benefits consumers by providing superior, uncompressed digital video
and audio quality via a single cable6, and user-friendly connector
Is backward-compatible with DVI (Digital Visual Interface)
Supports two-way communication between the video source (such as a
DVD player) and the DTV, enabling new functionality such as automatic
configuration and one-button play
1 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com
2 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digitalto-analog conversions
3 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables
currently used in A/V systems is reduced
4 HDMI technology has been designed to use standard copper cable construction at up to 15m
5 HDMI supports multiple audio formats, from standard stereo to multi-channel surround-sound. HDMI has the capacity to
support Dolby 5.1 audio and high-resolution audio formats
6 HDMI provides the quality and functionality of a digital interface while also supporting uncompressed video formats in a
simple, cost-effective manner
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