Genuine Original Cisco WS-X4548-GB-RJ45 48 Ports Ethernet Network Switch Module 800-22991-05 A0 73-9465-04 A0.Cisco Part Number: WS-X4548-GB-RJ45 V04Compatible Part Numbers: 800-22991-05 A0 73-9465-04 A0 68-2235-04 A0 COUIAC5CAB