... another for signal routing.Two ends with connectors be named patchcord or jumpter , only one end with the connector be named pigtail. SC ... style connector. It is a square, snap-in connector latches with a simple push-pull motion and is keyed.Features:Low ... , MU, E2000, MPO, DIN, D4, SMA, FDDI, ESCON(2)Ferrule End-face: PC, UPC, APC (3)Core Type: Single-mode (SM ...