hese high speed single mode 9/125um duplex fiber optic patch cables are terminated with LC/UPC fiber optic connectors on one end and SC/APC fiber optic connectors on the other end Called Lucent Connectors, Little Connectors or Local Connectors, these snap-in connectors are typically used for high density connections and are compatible with plug-and-play devices such as SFP modules and XFP transceivers. Referred to as Subscriber Connectors, Square Connectors or Standard Connectors, these push-pull connectors are the most common choice for FTTH (fiber to the home) applications in use for Datacom and Telcom and most GBIC modules require this connector type.Fiber TypeSingle-ModeCable TypeDuplexConnector ALCConnector(s) BSCCable Length3M