VMIC VMIVME-5599 Fiber Optic Switch – VMEbus Optical Routing
The VMIC VMIVME-5599 is a high-performance fiber optic switch module designed for VMEbus-based systems requiring reliable optical signal routing and switching. This module provides a flexible, high-speed interface for connecting and switching fiber optic signals in communication networks, test systems, and distributed control applications. Its optical switching capability ensures noise-immune, long-distance signal transmission, making it ideal for demanding environments where electrical isolation and electromagnetic interference (EMI) immunity are critical.
The VMIVME-5599 is engineered for use in defense, aerospace, industrial automation, and test and measurement systems. Its VMEbus compatibility allows seamless integration into existing VME chassis, while its fiber optic interfaces provide robust communication links over extended distances.
Key Features
Fiber Optic Switching: Enables routing of optical signals between multiple ports.
High-Speed Operation: Supports high-bandwidth optical communication links.
Low Insertion Loss: Ensures minimal signal attenuation through the switch.
VMEbus Compatibility: Standard VME form factor for easy system integration.
Remote Control: Software-controlled switching via VMEbus interface.
Industrial Grade: Designed for reliable operation in harsh environments.
Diagnostic Features: Built-in monitoring for link integrity and fault detection.
Technical Specifications
The VMIVME-5599 provides multiple fiber optic ports, typically supporting multi-mode or single-mode fiber connections. Switching is performed via a high-speed optical switch matrix, with insertion loss typically less than 2dB and return loss greater than 30dB. The module supports both manual and software-controlled switching, with switching times in the millisecond range.
Control is provided through the VMEbus interface, with onboard registers for switch configuration and status monitoring. The board includes diagnostic LEDs for link status and fault indication. Power is derived from the VME backplane.
Applications
Communication Networks: Routing optical signals in distributed systems.
Test and Measurement: Switching optical test signals in automated test equipment.
Defense Systems: Optical signal distribution in military communication systems.
Industrial Automation: Connecting optical sensors and actuators in noisy environments.
Data Acquisition: Multiplexing optical data streams from multiple sensors.
Integration and Configuration
Integration is straightforward: the module plugs into a standard VMEbus backplane. Configuration and switching control are performed via software through the VME interface. Comprehensive documentation provides register-level details and example code to accelerate development.
Benefits
Noise Immunity: Fiber optic switching eliminates EMI and ground loop issues.
Long Distance: Supports communication over extended distances without signal degradation.
Reliability: Solid-state optical switching ensures long-term reliability.
Flexibility: Software-controlled switching allows dynamic network reconfiguration.
Conclusion
The VMIC VMIVME-5599 fiber optic switch provides a robust, high-performance solution for optical signal routing in VMEbus-based systems. Its combination of low insertion loss, high-speed switching, and VMEbus compatibility makes it an ideal choice for demanding communication, test, and control applications.




