K R A ME R E LE CT R O N IC S L T D .
Contents 1 Introduction 1 2 2.1 2.2 2.3 3 3.
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.
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 • i 2.1 Go to http://www.kramerelectronics.com to check for up-to-date user manuals, application programs, and to check if firmware upgrades are available (where appropriate).
2.2 Safety Instructions ! 2.
3 Overview The 611T and 611R are a high-performance fiber optic transmitter and receiver for composite video signals. The 611T transmitter converts a composite video signal into a fiber optic signal and the 611R receiver converts the fiber optic signal back into a composite video signal. More specifically, the 611T, 611R feature: 3.1 • 55MHz (-3dB) bandwidth • Level (gain) and EQ (peaking) controls • A range of 5km (3.
Figure 2: 611R Fiber Optic Receiver # Feature Function 1 FROM FIBER Connector “ST” type connector outputting the converted video signal to the optical fiber 2 OUTPUT BNC Connector Connects to a composite video acceptor 3 HF Trimmer Cable compensation (high frequency) control trimmer 4 GAIN Trimmer Video level control trimmer 5 ON LED Illuminates when the unit is powered ON 6 12V DC Power Connector Connects to the power supply to supply power to the unit 611T, 611R - Overview 5
4 Connecting the 611T, 611R i Always switch off the power to each device before connecting it to your 611T, 611R. After connecting your 611T, 611R, connect its power and then switch on the power to each device. To connect the 611T, 611R as illustrated in the example in Figure 3: 1. On the 611T, connect a composite video source (for example, a video player) to the INPUT BNC connector. 2. On the 611R, connect the OUTPUT BNC connector to a composite video acceptor (for example, a video recorder). 3.
Figure 3: Connecting the 611T, 611R Fiber Optic Transmitter/Receiver 611T, 611R - Connecting the 611T, 611R 7
5 Technical Specifications INPUT: Composite video, 1Vpp/75Ω on a BNC connector (611T); Fiber optic ST connector (611R) OUTPUT: Fiber optic ST connector (611T); Composite video, 1Vpp/75Ω on a BNC connector (611R) OPERATION DISTANCE: Up to 5km (3.1mi) VIDEO BANDWIDTH (-3dB): 55MHz DIFF. GAIN: 0.4% VIDEO S/N RATIO: 60dB NON-LINEARITY: 0.
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.
