Copper and fiber cabling performance guidelines are specified in ANSI/TIA/EIA-568, "Commercial Building Telecommunications Cabling Standard," 2000.
Guidelines for field testing Category 3, 4, and 5 UTP cabling can be found in TIA/EIA Technical Service Bulletin 67 (TSB-67), "Transmission Performance Specifications for Field Testing of Unshielded Twisted-Pair Cabling Systems," 1995.
Return loss and ELFEXT link performance parameters are specified in TIA/EIA-TSB-95, "Additional Transmission Performance Guidelines for 4-Pair 100 Ohm Category 5 Cabling," 1999.
Other documents that may be of interest include
TIA/EIA-569. "Commercial Building Standard for Telecommunications Pathways and Spaces." 1998.
TIA/EIA-570. "Residential and Light Commercial ...