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GE PCIE-5565 Network Interface Card
GE PCIE-5565
GE PCIE-5565 is a high-performance Reflective Memory (RFM) real-time fiber optic network interface card manufactured by General Electric (GE). This product is specifically designed for demanding real-time applications that require ultra-low latency and high-determinism data transmission. Based on the PCI Express® bus architecture, it enables seamless integration of standard host computers (such as industrial servers, workstations, or embedded controllers) into a deterministic, high-speed ring or star fiber optic network.
Its core function is to create and maintain a shared, consistent memory-mapped space among all nodes connected to this dedicated network. Any write operation to the local card memory by a node is automatically and transparently broadcast to all other nodes in the network within microseconds, without CPU intervention. This achieves near-real-time data sharing and synchronization. The core value of GE PCIE-5565 lies in eliminating the inherent protocol overhead and transmission latency uncertainty of traditional networks (such as Ethernet). It provides a simple, reliable, and ultra-high-speed data exchange solution for distributed systems, making it highly suitable for replacing complex real-time communication protocols.
Product Specifications
- Product Model: PCIE-5565
- Manufacturer: GE Intelligent Platforms
- Product Type: Reflective Memory (RFM) Fiber Optic Network Card
- Host Bus Interface: PCI Express x4 (compatible with x8 and x16 slots)
- Fiber Optic Network Standard: ANSI/VITA 7-1994 RACE™ Interconnect Standard
- Network Data Rate: 2.125 Gbaud (effective data rate ~170 MB/s)
- Memory Capacity: 256 MB (mapped across all network nodes)
- Latency: < 700 nanoseconds (inter-node transmission latency)
- Transmission Distance: Multi-mode fiber: up to 300 meters (using 62.5/125μm fiber)
- Number of Nodes: Up to 256 nodes per network
- Data Consistency: Strict global memory consistency, implemented in hardware
- Operating System Support: Windows, Linux, VxWorks
Structure and Composition
The GE PCIE-5565 card adopts a standard full-height, half-length PCIe card design and is equipped with a robust metal bracket. Two key ST/LC-type multi-mode fiber optic interfaces are integrated into the bracket—one for “Input” (IN) and the other for “Output” (OUT)—to form a fiber optic network loop. The card is also equipped with multiple LED status indicators, which are used to display real-time information such as power supply, fiber link activity, network status, and fault conditions, enabling quick visual diagnosis.
The internal structure of the card is built around a core RFM ASIC (Application-Specific Integrated Circuit) and a PCIe interface controller. A large-capacity high-speed local memory (256 MB) serves as a locally mapped copy of the global shared memory. When the host CPU writes data to the card’s local memory via the PCIe bus, the RFM ASIC immediately captures this action. It then encodes the data, converts it into optical signals through a SerDes (Serializer/Deserializer) unit, and sends the signals out through the output fiber optic port. At the same time, it receives data from other nodes through the input fiber optic port and updates its local memory. This entire process is fully managed by hardware, ensuring ultra-low latency and high determinism.
Application Fields
GE PCIE-5565 is mainly applied in cutting-edge industrial and defense fields that require ultra-high-speed, deterministic data sharing. In the aerospace and defense sector, it serves as a core network component for full-flight simulators, radar signal processing, flight test data acquisition, and distributed weapon system test benches, ensuring strict synchronization between visual, motion, instrument, and control systems. In the industrial sector, it is used in large-scale high-precision real-time test systems (such as automotive and aero-engine testing) to synchronously collect data from thousands of sensors and distribute it to multiple processing units in real time.
In addition, in energy, semiconductor manufacturing, and scientific research, GE PCIE-5565 is used to synchronize multiple control subsystems of large-scale experimental devices (such as particle accelerators) or coordinate the precise control of ultra-large mechanical equipment (such as wind turbine test benches). It addresses the bottleneck issues caused by latency jitter and data inconsistency of traditional networks in complex distributed real-time applications.
Installation and Maintenance
Pre-installation Preparation
Before installing GE PCIE-5565, confirm that the host has an available PCIe x4, x8, or x16 slot. Ensure the computer power is turned off and the power cord is unplugged, and take anti-static measures. Prepare multi-mode fiber jumpers that meet specifications (usually 62.5/125μm or 50/125μm), and carefully plan the network topology (ring or star) to ensure correct fiber connections (the output OUT port is connected to the input IN port of the next node).
Maintenance Recommendations
Daily maintenance mainly involves keeping the end faces of the fiber optic interfaces clean to prevent dust and oil from affecting signal transmission; always cover the dust caps when the interfaces are not in use. Regularly check whether the card is securely fixed and whether the fiber optic cables are excessively bent or damaged. The working status of the card can be initially determined through the LED status indicators (e.g., whether the power supply and link are normal). In case of network failures, use the diagnostic tools provided by the manufacturer (such as RFM network monitoring software) to detect node status and data flow, and troubleshoot issues such as fiber breakage, connection errors, or card malfunctions.
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