Cables to Go's Cisco Equivalent CAB-SS-449MT is designed for the Cisco WIC-A/S WAN interface card, and features Cisco's new, compact, high-density Smart Serial connector. This cable has a male 26-pin connector on the Cisco Smart Serial end and a male DB37 connector on the network end. With Cisco OEM equivalent cables from Cables to Go, you get the fit and functionality of a manufacturer's cable with greater convenience and a lower price. Cisco Equivalent cables are guaranteed to comply with Cisco's rigid standards for original manufactured cabling specifications.