Tripp Lites N152 series Telco cables are ideal for telephone, PBX, and IP Phone system applications. Constructed with 26AWG, solid conductor, Cat3 rated cable, and heavy duty metal backshells with Male to Female, RJ21, 50 pin connectors. EIA/TIA 568B color coded conductors. N152 cables are available in stock lengths of 25ft and 50ft ( N152-025-C3 and N152-050-C3 ). Tripp Lite Lifetime Warranty. 50ft, 26AWG Cat3 UTP copper cable for extending voice connections Male to Female 50pin Centronics / Telco connectors Use with Telephone, PBX, and IP Phone Systems EIA/TIA 568B color code PVC Jacket Rugged metal backshell connectors RoHS Compliant Lifetime Warranty Applications Ideal for Phone, PBX, and IP Phone equipment interconnections. System Requirements Communication equipment and connectivity devices utilizing 50pin Telco type connections. Package Includes 1 - 50ft Cat3 25-Pair Telco Cable, RJ21 M/F