ST Fiber Optic Patch Cord, ST fiber optic patch cord Features • SM & MM available • Standard & custom configurations • Meets Telecordia-GR-326-CORE specifications • High return loss and low insertion loss • Ultra low back reflection • For 3.0mm, 2.4mm, 2.0mm jacket or 900¼ m buffer. Applications • Telecommunications • Testing instruments • Active device terminations • LAN/ WAN • FTTH.