The 15454-SMR1-LIC Cisco ONS 40-Channel Single Module ROADM Line Card is a high-quality unit designed for enterprise networking needs. With its optical fiber network ports and 8 connectors, it provides reliable and efficient functionality as a ROADM optical line card/DWDM transport. Made by Cisco, a trusted brand in networking, this module is compatible with the Integrity/ONS 15454 Series product line and offers seamless connectivity for optical networking solutions. With compact dimensions of 16 x 14 x 1.2 inches, this unit is a valuable addition to any enterprise networking setup. Unit is tested and comes with test prints.