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KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
621T
DVI Optical Transmitter
621R
DVI Optical Receiver
P/N: 2900-000103 Rev 8
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Contents 1 Introduction 1 2 Getting Started 2 2.1 Achieving the Best Performance 2 2.2 Safety Instructions 3 2.3 Recycling Kramer Products 3 3 Overview 4 3.1 About the Power Connect™ Feature 5 3.2 Using Twisted Pair Cable 5 4 Defining 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 5 Connecting and Operating the 621T, 621R 8 5.1 Connecting the 621T/621R DVI Optical Transmitter/Receiver 8
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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 Amplifi
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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 Go to http://www.kramerelectronics.com/support/product_downloads.asp to check for up-to-date user manuals, application programs, and to check if i firmware upgrades are available (where appropriate). 2.1 Achieving the Best Performance To achieve the best performance: Use only good quality
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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: 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.
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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 fibe
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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
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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 1 DVI IN Connector Connects to the DVI source 2 12V DC 12V DC connector for powering the unit 3 POWER LED Lights when receiving power 4 LINK LED Lights when receivin
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4.2 Defining the 621R DVI Optical Receiver Figure 2: 621R DVI Optical Receiver # Feature Function 1 DVI OUT Connector Connects to the DVI acceptor 2 12V DC 12V DC connector for powering the unit 3 POWER LED Lights when receiving power 4 LINK LED Lights when receiving a stable DVI signal 5 OPTIC CABLE R CL Connect to the optic connectors on the 621T 6 B G 7 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 en
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5 Connecting and Operating the 621T, 621R Always switch off the power to each device before connecting it to your 621T, 621R. After connecting your 621T, 621R, connect its power and i then switch on the power to each device. We recommend testing your system configuration by first connecting the entire system (as illustrated in Figure 3), using short copper cables instead of optical fiber cables. To connect the 621T, 621R as illustrated in the example in Figure 4: You can use the 62
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4. Carefully recheck the polarities and ensure that the duplex connectors are fully engaged. 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. 5. Connect the DDC RJ-45C connector on the 621T to the DDC RJ-45C connector on the 621R, via UTP cabling (see Section 5.3). 6. Connect the 12V 2.1A DC power adapter to the power socket of ei
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5.2 Operating the 621T/621R DVI Optical Transmitter/Receiver To properly operate the 621T/621R system: Make sure you have a media receiver or a graphic controller card with a DVI connector on your PC/Mac or SUN system. Make sure that your graphic card supports the maximum resolution of the display you are about to connect Avoid “hot plugging” the 621T or 621R. This is not a recommended practice with live digital voltages 5.3 Wiring the TP LINE IN / LINE OUT RJ-45 Connectors Th
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The RJ-45 pin assignments are as follows: 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
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6 Technical Specifications 621T 621R INPUTS: DVI IN (DVI-D on a DVI-I 4 LC optical connectors for R, G, connector) B & clock. 1 CAT 5 (RJ-45) for DDC and HDCP bi-directional data OUTPUTS: 4 LC optical connectors for R, DVI OUT (DVI-D on a DVI-I G, B & Clock. 1 CAT 5 (RJ-45) connector) for DDC and HDCP bi- directional data MAX. DATA RATE 4.95Gbps (1.65Gbps per graphic channel) POWER 12V DC 390mA 12V DC 380mA CONSUMPTION: OPERATING 0° to +40°C (32° to 104°F) TEMPERATURE: STORAGE -
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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: info@kramerel.com SAFETY WARNING Disconnect the unit from the power ! supply before opening and servicing Laser Compliance Laser Class 1 acc. 21 CFR 1040 and Class 1 per LASER PRODUCT IEC 60825-1 P/N: 2900-000103 Rev: 8
