Please check the print legend or contact the manufacturer before trying to make a positive ID! Even if you have already looked at the cable color, check the print legend. It may immediately solve your mystery. The text on the cable starts with the Corning product name "Corning Rocket Ribbon (TM) Optical Cable," date of manufacture "01/2022" and a serial number. The phone handset graphic denotes this as a telecom cable. There is a lot of information in those few inches along the cable that every installer. First, always look at the color of your cable. Per TIA/EIA standards, the following color coding applies for non-military fiber optic installations: Multimode OM1 = Orange or Slate (Watch for this! OM1 is not compatible with connectors for OM2/OM3/OM4) However: Per TIA 598-C, it is permissible to. The following section refers to both optical cables that constitute a part of AOC cables as well as standalone optical cables that connect two optical transceivers. Optical Cable Sizes and. Fiber optic cable is tested to ensure continuity and attenuation. Visible Light Source Testing Visible. Cable provides protection for the optical fiber or fibers within it appropriate for the environment in which it is installed.