Cisco NC55-MPA-12T-S Cisco NCS 5500 12X10G MPA (OTN/WAN-PHY/MACSEC)

Cisco Modular Port Adapter - Expansion module - 10Gb Ethernet x 12 - for Network Convergence System 5501, 5502, 5504, 5508, 5516, 55A1, 55A2, 55A2-MOD...