Serial and parallel optical link architectures for DAQ systems

Author

Aloisio, Alberto ; Cevenini, Francesco

Author_Institution

I.N.F.N., Napoli, Italy

Volume

1

fYear

2002

fDate

10-16 Nov. 2002

Firstpage

207

Abstract

In this paper we compare a serial and a parallel approach to the design of optical links for HEP experiments. Critical real-time environments as trigger and DAQ systems require low and deterministic latency data channels with performances in the Gbit/s range. Hardware and software overheads make standard protocols an unattractive solution. On the other hand, a custom design can be tailored for the specific experimental requirements. We present a point-to-point parallel optical link architecture based on the INFINEON´s PAROLI chip-set and Xilinx FPGAs which sustains a user payload transfer rate higher than 240 Mbyte/s.

Keywords

data acquisition; field programmable gate arrays; high energy physics instrumentation computing; nuclear electronics; optical links; parallel architectures; real-time systems; trigger circuits; DAQ systems; HEP experiments; PAROLI chip-set; Xilinx FPGA; critical real-time environments; deterministic latency data channels; parallel optical link architectures; serial optical link architectures; trigger; user payload transfer rate; Computer architecture; Data acquisition; Delay; Field programmable gate arrays; Hardware; Optical design; Optical fiber communication; Protocols; Real time systems; Software standards;

fLanguage

English

Publisher

ieee

Conference_Titel

Nuclear Science Symposium Conference Record, 2002 IEEE

Print_ISBN

0-7803-7636-6

Type

conf

DOI

10.1109/NSSMIC.2002.1239300

Filename

1239300