System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP System ZR+ C-band for DCO, QSFP-DD N*400G 400G DWDM Transmission ADOP