This is a 1000ft non-terminated black outdoor duplex fiber patch cable. An OM1 cable has a core size of 62.5 microns that can support 10 Gigabit Ethernet at lengths measuring up to 33 meters. It is most commonly used for 100 Megabit Ethernet applications. This outdoor cable is perfect for precise process control, ensuring excellent tensile strength and environmental performance that can be constructed without switching off the power. Our patch cables are 100% compliant for all of your networking needs. Our products are guaranteed by federal law to not affect or void OEM warranties.