Double RJ45 modular Jack(connector) with 10/100Mbp

This is the drawing of U59(57)F4-27-1612-C12.Schematics Schematics(F4-27) ELECTRICAL SPECFICATIONS at 25°C:1. Turn Ratio(±5%): 1CT:1CT2. Inductance(100KHz/0.1V@8mA): 350uH MIN3. Insertion Loss(dB MAX): -1.0dB(1-100MHz)4. Return Loss(dB MIN): -18dB(1-30MHz),-16dB(30-60MHz),-12dB(60-80MHz)5. Cross talk(dB MIN):-30dB(1-100MHz)6. CMR(dB MIN): -30dB(1-100MHz)7. HI-POT: 1500Vrms/0.5mA/60Sec or 1650Vrms/0.5mA/2Sec8. Operating Temperature: -40°C TO +85°C9. RoHS compliance: YES This is a schematics sample(1000base/100base). 1 Ethernet 10/100/1000 compatible, network filter circuit options. 2 Integrated lightpipes of LED's, provides port status and activity feedback to the user. 3 Spring fingers, offers advanced EMI protection. 4 Integrated design: transformers, chokes, capacitors and resistors, and other components with the RJ45 connector, minimizes customer component requirements. 5 NonPoE/PoE/PoE+ options. 6 IEEE802.3 and IEEE802.3ab compliant. 6.1 Transformation ratio: Tx 1CT, 1CT Rx 1CT, 1CT 6.2 350u H OCl, 8mA offset minimum 6.3 Minimum separation of 1,500 Vrm 6.4 OCL: 350uH Min 7 The appearance and mechanical properties measure up to "FCC" standard. 8 RoHS compliance.