Products
DDL Products
The CERN proprietary bi-directional Detector Data Link (DDL) has been originally developed for the ALICE experiment on the Large Hadron Collider (LHC) at CERN by the collaboration of CERN, Wigner Research Centre of Physics (former KFKI-RMKI), and Cerntech Ltd. DDL links are now used in several experiments, including the data acquisition systems of the three largest TPC detectors (ALICE, STAR, SHINE) in the world (See References). DDL products (link interface cards) can be ordered from Cerntech. Technical support is available through Cerntech and Wigner RCP.
Active Products
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DDL Source Interface Unit |
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SIU is a radiation tolerant Detector Data Link (DDL) source interface card designed for use in the detectors of the ALICE experiment at CERN. It transmits data from front-end electronics to a read-out card through a 2.125 Gb/s serial optical link (DDL1). |
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| DDL Read-Out Receiver Card | |||
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The Common Read-out Receiver Card (C-RORC) is a new x8, Gen2 PCI Express interface card for reading out and processing data from CERN proprietary Detector Data Links (DDL1, DDL2) or other high speed-optical links. It can receive or send data through up to 12 optical links with a maximum speed of 6.25 Gb/s per link. |
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| DDL Read-Out Receiver Card | |||
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The DDL Read-out Receiver Card (RORC, a.k.a. D-RORC) is a x4 PCI Express interface card for reading out Detector Data Links (DDL1). It recieves data from 2 SIU interfacecards through duplex optical cables and writes it into the computer memory. | ||
| DDL Read-Out Receiver Card | |||
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The DDL Read-out Receiver Card (RORC, a.k.a. D-RORC) is a 64-bit, 100 MHz PCI-X interface card for reading out Detector Data Links (DDL1). It recieves data from 2 SIU cards through duplex optical cables and writes it into the computer memory. | ||
| DDL Data Concentrator | |||
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The Data Concentrator for DDL (DDLDC) aggregates data of up to 32 inputs to a 2.125 Gb/s DDL link. The 32 inputs can read out serial bi-directional copper links of a maximum length of about 12 m. The 32 inputs can have an average sustainable bandwith of 48 Mb/s each. | ||
Coming Soon!
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Source Interface Unit SIU+ |
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SIU+ is a multi-protocol (10 GbE, PCIe end-point, custom), multi-speed (2-16 Gb/s) optical link interface card with several link interface options (SFP+, QSFP, iPass, LVDS). It is now used as a development card for the functional and radiation tolerance tests for the next generation Detector Data Links in the ALICE experiment at CERN. It can also be used as a radiation tolerant source interface unit (SIU) for DDL1, DDL2, and DDL3, or other custom high-speed optical links. |
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| Read-Out Receiver Card | |||
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The DDL Read-out Receiver Card (RORC, a.k.a. D-RORC) is a x4 PCI Express interface card for reading out Detector Data Links (DDL1). It recieves data from up to 4 SIU interface cards through duplex optical cables and writes it into the computer memory. |
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