Value-based OS2 single-mode patch cabling meets or exceeds industry-standard requirements. Black Box’s Connect line of general-purpose OS2 9/125 single-mode cabling is constructed to meet or exceed TIA/EIA industry standards providing you the functionality you need without the premium price. With support for high-bandwidth Gigabit 10 Gb and more you can connect all of your single-mode transceivers to switches servers and other high-performance networking equipment. Yellow in color they are easy to distinguish from multimode cabling. These cables are constructed of 2.0-mm duplex zipcord style cabling. They also feature a low-smoke zero halogen jacket that protects against harmful chemicals in the event of a fire. Additionally we perform 100 percent testing during production to ensure every one of our cables provides the utmost performance and protection in any application.