LevelOne 155 Mbs BIDI- (SM 20km 1550/1310)-Simplex LC- 1550nm FP LD-Data Rate: 125~155Mbps- NRZ-Single +3.3V Power Supply-RoHS Compliant and Lead-free-AC/AC Differential Electrical Interface-Compliant with Multi-Source Agreement(MSA)-Compliant with SFF-8472 Digital Diagnostic Monitoring Interface-Single LC Connector-Compliance with specifications for IEEE802.3ah 100BASE-BX10-U-Compliance with FDDI PMD Standard-Compliance with ATM Standard