488  IBM z15 (8561) Technical Guide FICON Express16S LX 0418 4, 8, or 16 SM 9 µm 10 km  (6.2 miles) Carry forward FICON Express16S SX 0419 4, 8, or 16 OM2, OM3,  OM4 See Table on page 489.  Carry forward FICON Express8S LX 0409 2, 4, or 8  SM 9 µm 10 km  (6.2 miles) Carry forward FICON Express8S SX 0410 2, 4, or 8  OM2, OM3,  OM4 See Table on page 489.  Carry forward Open Systems Adapter (OSA) and Remote Direct Memory over Converged Ethernet (RoCE) OSA-Express7S 25GbE SR1.1 0449 25 MM 50 µm 70 m (2000) 100 m (4700) New build and  Carry forward OSA-Express7S 25GbE SR 0429 Carry forward OSA-Express7S 10GbE LR 0444 10  SM 9 µm 10 km  (6.2 miles) New build  OSA-Express6S 10GbE LR 0424 Carry forward OSA-Express5S 10GbE LR 0415 OSA-Expess7S 10GbE SR 0445 10  MM 62.5 µm MM 50 µm 33 m (200) 82 m (500) 300 m (2000) New build  OSA-Expess6S 10GbE SR 0425 Carry forward OSA-Expess5S 10GbE SR 0416 OSA-Express7S GbE LX 0442 1.25 SM 9 µm 5 km  (3.1 miles) New build  OSA-Express6S GbE LX 0422 Carry forward OSA-Express5S GbE LX 0413 OSA-Express7S GbE SX 0443 1.25  MM 62.5 µm MM 50 µm 275 m (200) 550 m (500) New build  OSA-Express6S GbE SX 0423 Carry forward OSA-Express5S GbE SX 0414 OSA-Express7S 1000BASE-T  0446 1000  Mbps Cat 5, Cat 6 unshielded  twisted pair  (UTP) 100 m New build  OSA-Express6S 1000BASE-T 0426 100 or  1000  Mbps Carry forward OSA-Express5S 1000BASE-T 0417 25GbE RoCE Express2.1 0450 25 OM4 70 m (2000) 100 m (4700) New build 25GbE RoCE Express2 0430 Carry forward 10GbE RoCE Express2.1 0432 10 OM4 OM3  33 m (200) 82 m (500) 300m  (2000) c New build  10GbE RoCE Express2 0412 Carry forward 10GbE RoCE Express 0411 Parallel Sysplex Channel feature Feature  codes Bit rate a in Gbps (or stated) Cable type Maximum unrepeated distance b Ordering  information