GiGA Board

GiGA Board

APX-781
8.5 Gbps supported High speed optical communication board

  • Connect between boards with optical fiber resistant to noise immunity
  • PCI-Express 2.0 Gen 2 (5.0 Gbps) × 4 lane supported
  • Fastest 8.5 Gbps high speed data communication
  • 512 Mbytes on board as shared memory
  • Up to 64 units can be connected
  • Node distance can be extended up to 150 m * 1
  • All protocol processing realized by hardware
  • Secure reliability of communication data by CRC check function and hardware retry
  • Predictable communication delay
  • It is possible to identify the cable disconnection point by LED and software
  • Doorbell function to request interrupt to other modules

  • 16kB shared register for transferring data and status of small capacity.

  • All control is realized by FPGA 1 Chip
  • Easily realize data sharing between systems with different OS and shape
  • Windows and Linux drivers available
  • Memory transfer is possible without using a CPU with a built-in DMA controller
Model APX-781
Host I / F PCI Express 2.0 × 4 (5.0GT / s)
Communication format Optical fiber: 8.5 Gbps × 1 channel
Transmission speed: 8.5 Gbps
Transmission mode: Multi Mode
Maximum node distance: 150 m * 1
Laser type: 850 nm VCSEL
Laser safety standard: Class 1
Communication connector & cable Fiber diameter: 50 μm
Connector type: LC connector
Communication protocol Proprietary protocol
Transfer speed (theoretical value) Approximately 850 Mbyte / s (write)
Data transfer delay time About 450 ns / Node (reception → transmission), except cable delay
Maximum number of connections 64 nodes
Communication controller (implemented in FPGA) AVAL DATA original protocol
Memory capacity 512 Mbytes
외External dimensions (excluding protrusions) 167.65mm × 111.15mm
Power consumption + 12V : 1.2A
Usage environment * 2 temperature:
0 ° C to 50 ° C
Humidity: 35% to 80% (no condensation)
Environmental response RoHS compliant
Supported OS Windows / Linux
※ 1: The maximum node distance varies depending on the optical cable to be used.
※ 2: Storage environment temperature: -20 ℃ ~ 70 ℃, humidity: 35% ~ 80% (no condensation)Notes)
– The specifications and appearance stated are subject to change without notice.
– Power consumption does not include inrush current.
– In order to use the product correctly, be sure to read the instruction manual before using the product. Also, use the product under the conditions applicable to your product warranty
The APX – 781 can be connected with the following products. You can easily share memory between products with different platforms and systems.
Onboard Card Product: AGM-781A (AGM-781)