GiGA Solution

Ideal solution for distributed computing by high-speed communication


8.5 Gbps supported High speed optical communication board

  • Connecting boards with optical cable, up to 64 units can be connected
  • Simple protocol
  • Easy sharing of data between different systems and different operating systems
  • Communication speed 8.5 Gbps
  • Communication function realized by hardware
  • It corresponds to interruption between arbitrary nodes
Model name AGM-781A
Host I / F AVALDATA original bus (LVDS)
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) 800 Mbytes / s (communication part maximum value)
AGM-781 When connected to P to P
Data transfer delay time 450 ns / Node (reception → transmission)
excluding cable delay
Maximum number of connections 64 nodes
Communication controller (implemented in FPGA) AVAL DATA original protocol
Memory capacity
Main function Doorbell function, shared register communication,
Status LED: ACT / LNK / ERR, receive filter
External dimensions (excluding protrusions) 115.00mm × 85.00mm
Power consumption + 3.3 V: 1.7 A (Max) (excluding inrush · ripple current)
Usage environment * 2 Temperature: 0 ℃ to 50 ℃
Humidity: 35% to 80% (no condensation)
Supported OS
* 1: The distance between nodes varies depending on the fiber diameter (50 μm / 62.5 μm) of the optical cable to be used.
※ 2: Storage environment temperature: -20 ℃ ~ 70 ℃, humidity: 35% ~ 80% (no condensation)
– The specifications and appearance stated are subject to change without notice.
– The 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. In addition, use the product under conditions applicable to the product warranty.

AGM-781A is a product that easily incorporates 8.5 Gbps transfer function on customer’s original board.

The AGM – 781 can be connected with the following products. You can easily share memory between products with different platforms and systems.
PCI Express bus products: APX-781

GiGA CHANNEL Model-specific connection list
We changed product type name from AGM – 781 to AGM – 781A from February 2016.