The Cisco industry-standard Small Form-Factor Pluggable Interface Converter (SFP) for packet-over-SONET/SDH (POS), optical networking, and ATM applications is hot-swappable optical interface that plugs into a variety of ports on Cisco router interfaces. The SFP optic supports OC-12 data rates for multimode, short-reach, intermediate-reach, and long-reach applications.The SFP is compatible with the SONET/SDH and ATM standards, and support the digital diagnostic functions specified in the SFF-8742 Multi-Source Agreement (MSA) and the extended operating temperature range from 23 to185�F (-5 to 85�C).