Product Description: Compliant with IEEE 802.3z, Full duplex operation, Supports IEEE 802.3x flow control, DDM diagnosis function enhances transmission quality, Duplex LC connector interface. Hot-Pluggable for maximum flexibility, TTL signal detect indicator, Class 1 laser product (compliant with IEC 60825-1 and IEC 60825-2). Metal case for better EMI immunity, Wide operating temperature.