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PCI Express Gen 3 x8
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4 Optical Links available
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CONET2 CAEN Proprietary Optical Link Compatible
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Up to 32 CAEN CONET2-compliant Optical slave cards (CAEN VME Bridges or Digitizers) controlled by a single A5818
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Up to 80 MB/s transfer rate per single link by the optical link
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Interrupt VME protocol supported
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Drivers for Linux and Windows OS
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Supported by CAEN libraries (CAENDigitizer, CAENComm, CAENVMELib)
The CAEN Mod. A5818 is a PCI Express Gen 3 x8 CONET Controller card that can plug into x8 or x16 PCI Express slots, which allows the User to control up to 4 CONET2 independent networks (each network can be made of up to 8 CONET 2 slaves).
CONET2 is an optical link-based network with Daisy chain capabilities. Through the CONET2 it is possible to handle the VMEbus through the CAEN VMEbus Optical Link Bridges (such as the V3718, VX3718 or V4718, VX4718) or to control directly CAEN modules with built-in optical link (such as standard CAEN digitizers).
The communication path uses optical fiber cables as physical transmission line (AI2700 – Optical Fiber Series).
Accessories
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Compare
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Image
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Name
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Package
|
Link
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Max Transfer Rate (MByte/s)
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No. of Links
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Programmable I/O
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Data-way Display
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I/O Connectors
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New V4718 |
VME |
USB 3.0/Ethernet/Optical link -> VME |
80 |
1 Opt. + 1 Eth. + USB 3.0 |
4 out + 2 in TTL/NIM |
Yes |
LEMO |
|
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A5818 |
PCIe |
PCIe Gen 3 -> Optical link |
80 |
4 |
n / a |
n / a |
n / a |
|
|
VX3718 |
VME64X |
USB 2.0/Optical Link -> VME |
80 |
1 Opt. + USB 2.0 |
5 out + 2 in TTL/NIM |
Yes |
LEMO |
|
|
V3718 |
VME |
USB 2.0/Optical Link -> VME |
80 |
1 Opt. + USB 2.0 |
4 out + 2 in TTL/NIM |
Yes |
LEMO |
|
|
New VX4718 |
VME64X |
USB 3.0/Ethernet/Optical link -> VME |
80 |
1 Opt. + 1 Eth. + USB 3.0 |
4 out + 2 in TTL/NIM |
Yes |
LEMO |
Technical Specifications
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ARCHITECTURE |
X8 PCI Express, half-length, specification v3.0 compliant |
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SLOT COMPATIBILITY |
X8 and x16 PCI Express |
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SUPPORTED OPTICAL FIBERS |
50/125 μm OM2 and OM3 (back-compliant with 62.5/125 μm OM1) |
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CHANNEL BANDWIDTH |
1.25 Gb/s |
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DATA TRANSFER RATE |
Up to 80 MB/s per link (CONET2 CAEN proprietary protocol) |
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NUM. OF BOARDS / LINK |
Up to 8 boards can be controlled by a single CONET2 link thanks to Daisy-Chain capability |
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NUM. OF OPTICAL LINKS |
4 |
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POWER RAILS |
+12 V from PCIe |
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OPERATING SYSTEMS SUPPORTED |
Linux Windows® |
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OPERATING TEMPERATURE* |
0°-40° Relative Humidity (non‐condensing) 10 ‐ 90 % (*) The FPGA temperature can be readout on Linux OS with the cat /proc/a5818n_control command were n is the A5818 board number (0 for the first one, and so on). |
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