The interface to the client is via a variety of Small Form-Factor Pluggable (SFP) optics modules, enabling a wide service mix, including ESCON, OC-3/STM-1, OC-12/STM-4, OC-48/STM-16, Gigabit Ethernet, 1-Gbps Fiber Channel/FICON, 2-Gbps Fiber Channel/FICON, as well as high-definition television (HDTV), D1/SDI video, DV6000, and different fiber types (single- and multimode), wavelengths (850 and 1310 nm), and fiber reach (short reach/intra-office, intermediate reach/short haul, and so on). The SFP optics modules are equipped with LC connectors to enable high-density placement on the card.This module features SDH system compatibility.