HP-Agilent/Keysight 83480A

Digital Communications Analyzer, is a modular platform that accepts up to two plug-in modules. Integrated optical channels include calibrated reference receivers for 155, 622, 1063, 1250, 2488, and 9953 Mbit/s SDH/SONET, Fibre Channel, or Gbit Ethernet transmitter test. Electrical channels have up to 50 GHz bandwidths. TDR and TDT modules are available for optimization of circuit board transmission lines.