QSFP-DD-400G-DR4-2-MSA Universally Coded MSA Compliant Transceiver QSFP-DD 400GBASE-DR4+ (1310nm, SMF, 2km, MPO, DOM)QSFP DD 400G DR4 2 MSA Universally Coded MSA Compliant Transceiver QSFP DD 400GBASE DR4+ (1310nm, SMF, 2km, MPO, DOM) ATGBICS Universally Coded MSA compliant QSFP DD 400G DR4 2 MSA QSFP DD 400GBASE DR4+ form factor network transceiver supports a distance of up to 2km over single mode fibre (SMF) using a wavelength of 1310nm via an MPO 12 connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is