... /E3 input,meets G.703 standard,BNC,impedance 75ΩE1×N InputoptionalE1×N input,N ... ,3,4 Meets G.703 standard,BNC,impedance 75ΩGPS clock input1 channel 10MHz input ... ,BNC,impedance 75Ω2 channel ASI-B output,Vpp=800 millivolt ±10,BNC,impedance75ΩNetwork ManagementNetwork ... TL300 series type and function correspondence tableTL300 network adaptor type and function correspondence tableTypeinputoutputRemarkDS3/E3 ...