0446 OSA-Express7S 1000BASE-T RJ-45 Category 5 UTP a 0424 OSA-Express6S 10GbE LR LC Duplex 9 µm SM 0425 OSA-Express6S 10 GbE SR LC Duplex  50, 62.5 µm MM 0422 OSA-Express6S GbE LX LC Duplex 9 µm SM 0423 OSA-Express6S GbE SX LC Duplex 50, 62.5 µm MM 0426 OSA-Express6S 1000BASE-T RJ-45 Category 5 UTP b 0415 OSA-Express5S 10 GbE LR LC Duplex 9 µm SM 0416 OSA-Express5S 10 GbE SR LC Duplex  50, 62.5 µm MM 0413 OSA-Express5S GbE LX LC Duplex 9 µm SM 0414 OSA-Express5S GbE SX LC Duplex 50, 62.5 µm MM 0417 OSA-Express5S 1000BASE-T RJ-45 Category 5 UTP 0450 25GbE RoCE Express2.1 LC Duplex  50 µm MM 0405 10GbE RoCE Express2.1 LC Duplex 50, 62.5 µm MM 0430 25GbE RoCE Express2 LC Duplex 50 µm MM OM4 d 0412 10GbE RoCE Express2 LC Duplex 50, 62.5 µm MM 0411 10GbE RoCE Express LC Duplex 50, 62.5 µm MM 0433 CE LR LC Duplex 9 µm SM  0176 Integrated Coupling Adapter SR1.1  (ICA SR1.1) MTP 50 µm MM OM4 c 0172 Integrated Coupling Adapter  (ICA SR)  MTP 50 µm MM OM4 d 0451 zHyperLink Express1.1 MPO 50 µm MM OM4 d 0431 zHyperLink Express MPO 50 µm MM OM4 d Feature code Feature name Connector type Cable type 4.6.2 Storage connectivity Connectivity to external I/O subsystems (for example, disks) is provided by FICON channels  and zHyperLink$^{5}$.  5 zHyperLink feature operates with a FICON channel. Chapter 4. Central processor complex I/O structure  173 a. UTP is unshielded twisted pair. Consider the use of category 6 UTP for 1000 Mbps  connections. b. UTP is unshielded twisted pair. Consider the use of category 6 UTP for 1000 Mbps  connections. c. Or 50 µm MM OM3, but OM4/OM5 is highly recommended. MM = Multi-Mode SM = Single-Mode d. Or 50 µm MM OM3, but  OM4 is highly recommended. MM = Multi-Mode SM = Single-Mode