ADVA CMDXM-B FA70051500553 0063207403 Optical Insertion Loss:Channel 1510: mux 1.3 dB / dmx 2.2 dB / total 3.5 dB Channel 1530: mux 1.6 dB / dmx 1.9 dB / total 3.5 dB Channel 1550: mux 1.9 dB / dmx 1.6 dB / total 3.5 dB Channel 1570: mux 2.2 dB / dmx 1.3 dB / total 3.5 dB