DCCS2 4 port module unequipped for individual modules of the module design, Robust stainless steel carrier, Fastening in the 19-inch module carrier with a knurled screw, Easy assembly/disassembly in 19-inch module carrier in the 19-inch cabinet (plug and play), Design: DCCS2, Matching RJ45 modules: 130B11-E, 130910-I, 130910-I-B1, 130909-I, 130909-I-B1, 130908-I and 130908-I-B1, Matching RJ45 couplings: 1309A0-I, Matching fiber optic modules: 15091001-I, 15091070-I, 15091071-I, 15091072-I, 15091075-I and 15091076-I, Matching COAX modules: 130898-01-I, 130898-02-I and 130898-03-I, Matching blind modules: 130898-00-I and 130898-00-RW-I