Fiber optic adapters (a.k.a. couplers) are intended to connect two fiber optic cables. There are different versions of adapters: Simplex - to connect single fibers together; Duplex - to connect two fibers; and Quad - to connect four fibers.
DNS Quad and Duplex multimode LC/UPC and LC/APC adapters are designed to connect two/four fibers together with low insertion loss.
DNS Quad and Duplex singlemode LC/UPC and LC/APC adapters are designed to connect two/four fibers together with low insertion loss.
DNS Quad and Duplex multimode SC adapters are designed to connect two/four fibers together with low insertion loss.
DNS Quad and Duplex singlemode SC/UPC and SC/APC adapters are designed to connect two/four fibers together with low insertion loss.