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The OFW-400 Intermediate Frequency (IF) Fiber Optic Interfacility Link (IFL) System is the principle hardware for long-haul transmission of IF signals in the frequency range of 5 MHz to 300 MHz over singlemode fiber optic cable. The standard transmitter and receiver configuration provides transmission distances up to 50 km. An optional extended-range configuration can be specified that increases the link range to 80 km. The system's optical conversion process is functionally independent of the IF carrier's data modulation format. The links have low noise and high dynamic range characteristics, a wide operating temperature range and provide turnkey installation.

The system provides status monitoring through the use of an onboard processor that communicates with a host computer over a RS-232 I/O interface. The I/O parameters include laser bias current, optical receive power, internal temperature and alarm monitoring. In addition, an optional Low Noise Amplifier (LNA) or integrated Bias-T for remote LNA powering may be specified. Also, the system may be specified with an extended frequency range of 5 MHz to 500 MHz. Finally, the OFW-400 when specified with the 75 ohm input/output impedance option provides a highperformance, cost-effective solution for CATV Return Path signal distribution in Hybrid Fiber/Coax Networks

Applications

• CATV Return Path Link
• Interfacility Link Remoting
• SATCOM Uplink & Downlink Remoting
• IF Distribution, 70 MHz/140 MHz
• HF & VHF Signal Transmission

Features

• CWDM Compatible
• Wide Bandwidth, 5 MHz - 500 MHz
• Low Noise RF Front-end (opt)
• 1 Year Full, 2 Year Limited Warranty