An electronic module rack system includes a rack housing and opposing first and second rail members attached to the housing. A stabilizer bar is attached to the first and second rail members. The rail members support a cable trough assembly, and at least one cable separator retainer extends from the cable trough assembly. A method for managing cables for an electronic module includes connecting a first cable to the electronic module and connecting a second cable to the electronic module. The first cable is placed in a cable trough assembly and the second cable is placed in a cable separator retainer extending from the cable trough assembly. A cable support system includes a cable trough assembly and means for supporting cables outside the cable trough assembly.