OMTS (Optical transceiver Module Test System) is based upon Ascentest MPS 4x16 Multi-Port RF/uWave Switch Matrix and Ascentest’s proven automatic test platform, implementing the measuring power of Optical Power Meter, Optical Attenuator, Wide-band Oscilloscope, BERT and DC Power Supply, to automatically perform the full 4-channel test for the 40Gbps QSFP+ Optical Transceiver Modules, up to 40GHz.