KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
672T
UXGA Audio Optical
Transmitter
672R
UXGA Audio Optical
Receiver
P/N: 2900-000549 Rev 4
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Contents
Figures
672T, 672R – Contents
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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 672T, 672R UXGA Audio Optical
Transmitter/Receiver, which is ideal for the following typical applications:
Home theater, presentation and multimedia applications
Long range multimedia distribution for cinemas, stores, and entertainment
centers
Video production and broadcast facilities
Retail stores and other point-of-sale systems
672T, 672R - Introduction
1
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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
to check for up-to-date user manuals, application programs, and to check
if firmware upgrades are available (where appropriate).
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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 672T, 672R 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.
!
2
672T, 672R - Getting Started
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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: Avoid direct eye exposure into the optic connectors
when powered, although this product is regulated
strictly enough to operate under the Laser Class 3R 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
672T, 672R - Getting Started
3
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3
Overview
The 672T and 672R are an optical fiber transmitter and receiver for computer
graphics signals up to UXGA and stereo audio signals. The 672T converts the
computer graphics and stereo audio signals to an optical signal, and the 672R
converts the optical signal back to computer graphics and stereo audio signals.
Together, the 672T and 672R form a UXGA/audio transmitter/receiver over
multimode fiber system.
The 672T and 672R pair features:
A transmission range exceeding 1700 meters (more than 1 mile) over
multimode optical cable
4.95Gbps (1.65Gbps per graphic channel) suitable for resolutions up to
UXGA at 60Hz, and for all HD resolutions
Regulation in accordance with Class 3R Laser Eye Safety in compliance with
ANSI Z136 and IEC 60825-1:2007
Full compatibility with the Kramer 670T/670R and 671T/671R HDMI/DVI
transmitters and receivers for non-HDCP content
5V DC power adapters
Housing in Kramer DigiTOOLS® enclosures
3.1
Defining the 672T, 672R UXGA Audio Optical
Transmitter/Receiver
This section describes the:
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672T, 672R - Overview
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3.1.1
Your 672T UXGA Audio Optical Transmitter
Figure 1 defines the 672T UXGA Audio Optical Transmitter:
Figure 1: 672T DVI Optical Transmitter
#
Feature
Function
1
UXGA IN 15-pin HD
Connects to the computer graphics source
Connector
2
3
AUDIO IN 3.5mm Mini Jack
Connector
Connects to an unbalanced stereo audio source
OPTIC CABLE Connector
Connects to the optical connector on the 672R (before
use remove the dust cap cover)
4
5
6
7
5V DC
+5V DC connector for powering the unit
Lights when a source is connected
SOURCE LED
FIBER LED
ON LED
Lights when the fiber optic cable is connected
Illuminates when receiving power
672T, 672R - Overview
5
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3.1.2
Your 671R DVI Optical Receiver
Figure 2 defines the 672R UXGA Audio Optical Receiver:
Figure 2: 672R DVI Optical Receiver
#
Feature
Function
1
UXGA OUT 15-pin HD
Connects to the computer graphics acceptor
Connector
2
SOURCE HDMI/VGA Switch Switch right for the VGA source
When using the receiver with an HDMI transmitter
(670T and 671T), set the switch to the left
3
4
AUDIO OUT 3.5mm Mini Jack Connects to an unbalanced stereo audio acceptor
Connector
OPTIC CABLE Connector
Connects to the optical connector on the 672T (before
use remove the dust cap cover)
5
6
7
8
5V DC
+5V DC connector for powering the unit
Lights when a source is connected
SOURCE LED
FIBER LED
ON LED
Lights when the fiber optic cable is connected
Illuminates when receiving power
6
672T, 672R - Overview
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4
Connecting the 672T, 672R
Always switch off the power to each device before connecting it to your
672T, 672R. After connecting your 672T, 672R, connect its power and
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then switch on the power to each device.
Avoid direct eye exposure into the optic connectors when powered,
although this product is regulated strictly enough to operate under the
Laser Class 3R for eye safety
To connect the 672T and 672R, do the following:
1. Connect a computer graphics source (for example, a computer graphics card on
a PC) to the UXGA IN 15-pin HD connector.
2. Connect a stereo audio source (for example, a stereo audio player) to the
AUDIO IN 3.5mm mini jack connector.
3. Connect the UXGA OUT 15-pin HD connector to a computer graphics acceptor
(for example, an LCD display).
4. Connect the AUDIO OUT 3.5mm mini jack connector to a stereo audio acceptor
(for example, the speakers of an LCD display).
5. On the 672R, set the SOURCE switch to VGA. (If a Kramer 670T or 671T
transmitter is connected to the 672R, set the SOURCE switch to HDMI).
6. Remove the dust caps and connect the OPTIC CABLE connector of the 672T to
the OPTIC CABLE connector of the 672R, via OM3 cabling (maximum range of
1700 meters (over 1 mile)).
7. Connect the 5V DC power adapter to the power socket on each unit and
Note: A 672T can be connected to Kramer’s 670R or 671R to convert a VGA input
to an HDMI/DVI output.
672T, 672R - Connecting the 672T, 672R
7
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5
Technical Specifications
672T
672R
INPUTS:
1 VGA on a 15-pin HD
connector, 1 unbalanced stereo
audio on a 3.5mm connector
1 fiber optic on an SC connector
for multimode (OM3) fiber cable
OUTPUTS:
BANDWIDTH:
1 fiber optic on an SC connector
for multimode (OM3) fiber cable
1 VGA on a 15-pin HD
connector, 1 unbalanced stereo
audio on a 3.5mm connector
4.95Gbps (1.65Gbps per graphic channel)
EXTENSION LIMIT: More than 1700m (over 1mi) for UXGA (1600x1200) and 1080p
INSERTION LOSS
FROM
Must not exceed 10dB
TRANSMITTER TO
RECEIVER:
CONTROL:
HDMI or UXGA source switch
Source, fiber and ON LEDs
5V DC, 670mA
INDICATOR LEDs:
POWER SOURCE:
5V DC, 490mA
OPERATING
0° to +40°C (32° to 104°F)
TEMPERATURE:
STORAGE
-40° to +70°C (-40° to 158°F)
TEMPERATURE:
HUMIDITY:
10% to 90%, RHL non-condensing
DIMENSIONS:
WEIGHT:
12cm x 6.95cm x 2.cm (4.7" x 2.74" x 1.0", W, D, H)
0.3kg (0.67lbs) approx. each
ACCESSORIES:
OPTIONS:
2 power supplies (5V/2A), 2 bracket installation kits
RK-3T 19” rack adapter
672T, 672R - Technical Specifications
9
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For the latest information on our products and a list of Kramer distributors,
visit our Web site where updates to this user manual may be found.
We welcome your questions, comments, and feedback.
Web site: www.kramerelectronics.com
E-mail: [email protected]
SAFETY WARNING
Disconnect the unit from the power
supply before opening and servicing
!
P/N:
Rev:
2900- 000549
4
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