Pattern Test

Diagram

Setup

TTCci was setup to deliver clock (via TTCex) to both CSCTF and GT crates. B-channel was setup to broadcast BC0 signal.

CSCTF crate was setup using program msGmtTest.cpp located on emulab03 (CSCTF control computer) in /data/sangjoon/CMS/EmtTests. This progam first sets CCB module into the internal mode to prevent B-channel broadcasts from TTC to be distributed in the crate. It loads MS module RAMs with chosen pattern and then switches CCB into TTC mode. BCreset triggers trasnsmission of patterns to the output SCSI connectors on the MS module.

On the GMT side spy memories of the InputFPGAs were read using standalone gmt.exe program (e.g. test function GMTINxSpyTest) synchroneosly with the BC0.

Results

All GMT input connectors were scanned using "walking 1" pattern. A few bit errors were identified on the GMT inputs. No errors were found on the MS outputs.

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Last updated by Ivan Mikulec on 29 Jan 2007