 These OpticalCon LC Duplex Couplers allow the user to join two cable assemblies together. Please note that these couplers use the IP rated panel sockets and anyone with very old cable assemblies will need to replace the 'nose' of their connectors using an conversion kit. Your connectors are very old if the keyway on the 'nose' reaches all the way to the front. Please contact our technical department for more information. | 
