Fiber-Optic Line Speeds:

T1: 1.544 Mbps
T2: 6.312 Mbps
T3: 44.736 Mbps
E1: 2.048 Mbps
E2: 8.448 Mbps
E3: 34.368 Mbps
E4: 139.264 Mbps
E5: 565.148 Mbps
OC-1: 51.84 Mbps
OC-3: 155.52 Mbps
OC-9: 466.56 Mbps
OC-12: 622.08 Mbps
OC-18: 933.12 Mbps
OC-24: 1.24416 Gbps
OC-36: 1.86624 Gbps
OC-48: 2.48832 Gbps
OC-96: 4.97664 Gbps
OC-192: 9.95328 Gbps
OC-256: 13.27104 Gbps
OC-384: 19.90656 Gbps
OC-768: 39.81312 Gbps
OC-1536: 79.62624 Gbps
OC-3072: 159.25248 Gbps