Description
Technical Parameters & Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Series | Mark V Speedtronic |
| Full Model | DS200FCRRG1A |
| Board Type | Fiber Optic Communication Repeater / Regenerator Board |
| Optical Interface | 2 receiver ports + 2 transmitter ports |
| Fiber Type | Multimode (62.5/125µm) |
| Connector Type | ST (bayonet) with improved retention |
| Maximum Segment Length | 3 km (between repeaters or endpoints) |
| Total Distance Supported | Unlimited (cascadable multiple repeaters) |
| Data Rate | 10 Mbps (full duplex) |
| Communication Protocol | GE proprietary (Mark V serial link) |
| VME Interface | VME backplane (parallel data transfer) |
| Signal Regeneration | Jitter attenuation, noise filtering, signal reclocking |
| Diagnostics | Link status, signal strength, error counters, bit error rate (BER) monitoring |
| Diagnostic LEDs | Receive, transmit, link status, signal quality, fault |
| Operating Temp | -30°C to +65°C |
| Protection | Enhanced conformal coating + gold-plated edge connectors (30µin) |
| Physical Dimensions | 6U VME format (233mm × 160mm) |
| MTBF | > 115,000 hours |
Core Advantages & Key Features
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Fiber Optic Signal Regeneration – The DS200FCRRG1A receives optical signals, converts them to electrical signals, removes jitter and noise (reclocking and reshaping), and retransmits clean optical signals. This ensures signal integrity over extended distances where attenuation and dispersion would otherwise degrade the signal.
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Extended Total Distance – Each DS200FCRRG1A supports up to 3 km per segment. Multiple units can be cascaded to achieve unlimited total distance, enabling communication across large industrial complexes and distributed facilities.
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Full Signal Reconditioning – The board performs jitter attenuation, noise filtering, and signal reclocking, ensuring that signals are regenerated with the original timing and integrity, not simply amplified (which would amplify noise).
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High-Speed Data Transfer – 10 Mbps full-duplex regeneration provides fast data exchange between remote devices and the Mark V system.
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Dual Redundant Path Support – Can be configured to support dual redundant fiber paths, maintaining communication availability even if one path fails.
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Comprehensive Diagnostics – Real-time monitoring of link status, signal strength, error counters, and bit error rate (BER) for proactive maintenance and troubleshooting.
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Diagnostic LEDs – Onboard indicators show receive, transmit, link status, signal quality, and fault conditions for quick troubleshooting.
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Robust Environmental Protection – Enhanced conformal coating and 30µin gold-plated edge connectors ensure reliable operation in humid, dusty, or corrosive environments.
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Plug-and-Play Compatibility – The DS200FCRRG1A integrates seamlessly with all Mark V main processors, including DS200CPCAG1A, and works alongside fiber optic gateway boards such as DS200FCGDH1, DS200FCGDH1B, and DS200FCGDH1BAA without additional configuration.
Typical Applications
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Extended Distance Communication – Enables fiber optic communication over distances exceeding the direct capability of standard gateway boards (beyond 3 km for multimode).
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Large Industrial Sites – Supports communication across extensive industrial facilities with widely distributed turbine, compressor, and auxiliary equipment.
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Campus-Scale Installations – Enables signal regeneration between multiple buildings in power plant complexes or industrial parks.
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Offshore Platforms – Supports communication across large offshore installations with distributed equipment.
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Redundant Path Extensions – Can be deployed in redundant fiber configurations for high-availability communication.
Field Example: A large North American combined-cycle power plant with multiple turbine buildings spread across a 5 km campus installed DS200FCRRG1A boards as repeaters between the main control room and remote buildings. By cascading repeaters, they achieved seamless fiber optic communication across the entire facility without signal degradation.
Comparison: DS200FCRRG1A vs. Gateway Boards vs. Other Solutions
| Feature | DS200FCRRG1A | DS200FCRLG1A (Receiver) | DS200FCGDH1BAA (Gateway) | Fiber-to-Copper Converter |
|---|---|---|---|---|
| Primary Function | Signal regeneration | Signal reception | Signal transmission/reception | Protocol conversion |
| Receiver Ports | 2 | 2 | 2 | Varies |
| Transmitter Ports | 2 | None | 2 | Varies |
| Signal Regeneration | Yes (reclocking) | No | No | No |
| Segment Distance | 3 km | 3 km | 5-15 km | Varies |
| Total Distance | Unlimited (cascadable) | N/A | N/A | N/A |
| Diagnostics | BER, signal quality | BER, optical power | BER, optical power | Limited |
| VME Backplane | Yes | Yes | Yes | No |
Selection Guidelines & Precautions
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Evaluate Total Communication Distance – The DS200FCRRG1A is required when the total fiber optic communication distance exceeds the maximum segment length of the gateway boards being used.
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Calculate Number of Repeaters – Determine the number of repeaters needed based on the total distance and the 3 km segment limit. For example, a 10 km link would require 3 repeaters (3 km + 3 km + 3 km + 1 km segment).
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Verify Fiber Type and Connectors – Ensure the board’s ST connectors and 62.5/125µm multimode fiber match the existing or planned fiber infrastructure.
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Plan Repeater Locations – Position repeaters at appropriate intervals to ensure signal quality. Allow for adequate power supply and environmental protection at each repeater location.
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Check Redundancy Requirements – For critical communication links, consider using redundant fiber paths with repeaters on each path for high availability.
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Proper Fiber Handling – Follow proper fiber optic cable handling and installation practices to ensure reliable operation. Minimum bend radius and cable strain must be considered.
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Diagnostics – Monitor link status, BER, and signal strength periodically to detect degradation before failure.
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Firmware Compatibility – The DS200FCRRG1A is compatible with all Mark V main processor firmware versions. No special configuration is required.
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Spare Parts Strategy – Maintain spare DS200FCRRG1A units for critical long-distance communication links, as failure of a repeater can isolate downstream equipment.
Summary
The DS200FCRRG1A is a fiber optic communication repeater and regenerator board for GE Mark V systems, providing signal regeneration (jitter attenuation, noise filtering, and reclocking) for extended-distance fiber optic communication. It supports up to 3 km per segment and can be cascaded for unlimited total distance, enabling reliable communication with remote equipment across large industrial sites, campus-scale installations, and offshore platforms. The board integrates seamlessly with DS200CPCAG1A processors and works alongside fiber optic gateway boards including DS200FCGDH1, DS200FCGDH1B, and DS200FCGDH1BAA. Selection requires evaluation of total communication distance, number of repeaters needed, fiber infrastructure, and redundancy requirements to ensure reliable long-distance fiber optic communication in critical turbine and compressor applications.

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