Production and Testing of the CMS Silicon Tracker Outer Barrel

USCMS Silicon tracker group at FNAL is assembling and testing 50\% of the Silicon Tracker Outer Barrel modules. We describe module production and testing procedures. We discuss in detail the long-term module test stand that has been operating at Fermilab since Fall 2004. The readout system of the stand is similar in design to the Data Acquisition chain of the actual detector. The test setup runs thermal cycles between $+40^{\circ}$C and $-40^{\circ}$C, providing testing conditions close to the CMS operating environment. We summarize the results of the Long Term testing of more than 1700 modules.