QDD-400G-ZR-DCO-AT Universally Coded MSA Compliant Transceiver QSFP-DD 400GBase-ZR (1310nm, SMF, 40km LC, DOM)QDD 400G ZR DCO AT Universally Coded MSA Compliant Transceiver QSFP DD 400GBase ZR (1310nm, SMF, 40km LC, DOM) ATGBICS Universally Coded MSA compliant QDD 400G ZR DCO AT QSFP DD 400GBase ZRP form factor network transceiver supports a distance of up to 120km over single mode fibre (SMF) using a wavelength of 1550nm via an LC Duplex connector. This product operates within a commercial temperature range. Digital optical monitoring (DOM) support is also