GE PCIe-5565

The GE PCIE-5565 is part of GE’s Reflective Memory product family. It is a fiber optic network card designed for high-speed, low-latency real-time data sharing. Through bus interfaces such as PCI-Express, CPCI, and PCI, it directly maps on-board SDRAM to network shared memory. All nodes synchronize data at the millisecond or even microsecond level, making it suitable for scenarios with extremely high requirements for determinism and real-time performance, such as industrial control, aerospace, military industry, and scientific research.

Key Technical Specifications

• Interface: PCIe x4 (PCI, CPCI, PXI versions also available)
• On-board Memory: 128 MB / 256 MB SDRAM (optional)
• Fiber Optic Rate: 2.125 Gb/s (single-mode/multi-mode)
• Transmission Distance: Up to 10 km for single-mode fiber, approximately 300 m for multi-mode fiber
• Node Capacity: Up to 256 nodes, supporting ring or star topology
• Packet Size: 4 ~ 64 bytes, automatically adjustable
• Transmission Rate: Approximately 174 MB/s, actual throughput depends on fiber type
• Latency: Approximately 0.4 µs, with hardware interrupt broadcasting function
• Operating Temperature: -40 °C ~ +85 °C (for some models)
• Power Supply: 3.3 V / 5 V, power consumption approximately 3 ~ 5 W

Product Features

1. Ultra-low Latency and High Bandwidth: Hardware DMA directly writes to shared memory, with minimal CPU involvement, achieving a deterministic latency of approximately 0.4 µs.
2. Flexible Topology: Supports ring, star, and hybrid structures, and can automatically reconfigure the network in case of a single-point failure.
3. High Reliability: Redundant transmission mode, CRC verification, on-board self-test, and status indicators meet the requirements of industrial-grade 24/7 operation.
4. Multi-platform Compatibility: Drivers and APIs support operating systems such as Windows, Linux, and VxWorks. Node numbers can be configured via software without manual dialing.
5. Easy Installation: Standard PCIe card size, which can be directly inserted into servers or industrial PCs. The optical module supports hot-swapping, and the supporting software provides a graphical configuration interface.

Structure and Composition

• Main Control Board: PCIe interface chip (e.g., Marvell 88SS1093) is responsible for bus communication and DMA.
• Fiber Optic Transceiver Module: Supports single-mode/multi-mode fiber and provides a rate of 2.125 Gb/s.
• On-board SDRAM: 128 MB or 256 MB, used as shared memory.
• Power Management: Low-power design with overcurrent and over-temperature protection.
• Interface Expansion: Some models provide additional digital/analog I/O, PCI-PIO windows, etc.

Typical Application Fields

• Aerospace: Real-time sharing of aircraft status parameters to ensure mission safety.
• Industrial Automation: High-speed data exchange between production line equipment to achieve synchronous control and quality monitoring.
• High-Frequency Trading / Financial Real-Time Computing: Trading systems extremely sensitive to millisecond-level latency.
• Scientific Research Experiments: Multi-node data synchronization for large-scale experimental devices (e.g., particle accelerators).
• Military and National Defense: High-reliability real-time networks to meet the needs of extreme environments.

Installation and Maintenance Guidelines

Hardware Installation

1. Insert the card into a compliant PCIe slot, ensuring the back of the card is aligned with the chassis backplane.
2. Connect the fiber optic module, select single-mode or multi-mode fiber according to requirements, and confirm that the fiber length is within the specified range.
3. After powering on, check if the indicators on the card (power, fiber optic, communication) are functioning normally.

Software Configuration

1. Install the driver program and RFM (Reflective Memory) configuration tool provided by GE.
2. Set the node ID in the software (via GUI or command line) and select the network topology (ring/star).
3. Configure the shared memory size, packet size, and interrupt priority.

Debugging and Verification

1. Use the provided test program (e.g., RFM2G) to perform loop tests and confirm data consistency between all nodes.
2. Check if the latency and throughput meet the design indicators. Adjust the fiber type or packet size if necessary.

Daily Maintenance

1. Regularly check the fiber optic connections and indicators on the card to ensure no looseness or abnormalities.
2. In high-temperature or humid environments, maintain chassis ventilation to prevent poor heat dissipation.
3. In case of failure, refer to the maintenance chapter to obtain the RMA number and contact GE technical support.

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