The Abaco Systems / VMIC VMIVME-5588-310 is a high-speed fiber-optic reflective memory board for VMEbus systems that enables deterministic, low-latency data sharing across distributed nodes. Operating at 1.2 Gbaud serially, this single-slot 6U module supports up to 256 nodes in a daisy-chain ring topology. Data written to local SRAM is automatically broadcast to all networked nodes without software intervention or I/O overhead—ideal for real-time applications demanding tight synchronization.
– Technical Specifications
• Data Transfer Rate: 1.2 Gbaud serial
• Maximum Throughput: 29.5 Mbyte/s (standard mode); 14.8 Mbyte/s (redundant transfer mode)
• Supported Nodes: Up to 256 on daisy-chain ring topology
• On-board Memory: Configurable SRAM from 256 Kbyte to 16 Mbyte; SDRAM in DMA variants
• Memory Access: A24:A32:D32:D16:D8
• Transmit/Receive FIFOs: Buffer management for peak-rate optimization
• Physical Interconnect: Multimode fiber to 1,000 ft (300 m), single-mode fiber to 10 km (6.2 miles) with SC connectors, or twinax cable to 30 m
• Power Consumption: Maximum 5.0 A at +5 VDC
• Operating Temperature: 0 to 65 °C (forced air cooling)
• MTBF: 88,005 hours (217F)
– Key Features
• Software-transparent reflective memory architecture eliminates I/O overhead
• Inter-node interrupt capability—any node can trigger interrupts to single or multiple targets with data sequencing guarantees
• Error detection and redundant transmission mode for fault tolerance
• Configurable memory capacity to match application requirements
• DMA controller available on VMIVME-5588DMA variant
– Typical Applications
Distributed real-time simulation, multiprocessor synchronization, industrial control systems, and latency-critical data acquisition networks requiring deterministic performance across geographically dispersed nodes.
– Compatibility & Integration
Software compatible with VMIVME-5578. Network and shared memory drivers (VMIVME/SW-RFM1) support Windows, Linux, and VxWorks operating systems.
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