MFR. Name: Cisco | MFR#: 15216-DCU-750=
CISCO ONS 15216 DCU DCF 750 PS/NM & 6DB LOSS
Dispersion compensation units (DCUs) are installed in the ONS 15454 dispersion compensation shelf when optical preamplifier (OPT-PRE or OPT-AMP-L) cards are installed in the DWDM node.
