... requires a reference clock source, you can use in the digital switch , SONET and SDH transmission systems. At the ... clock source. SpecificationsInterface:Antenna Input: 1 channel, N type, 1575.42MHz 2.048MHz signal output 1 channel, BNC, square wave, 75Ω ... source Opt EIO: retiming input E1 signal input 1 channel, BNC interfaces E1 signal output 1 channel, BNC Interface (2048Kbit / s) Line coding ...