The high-density Cisco 4-Port FXS/DID VIC can support up to four foreign-exchange-station (FXS) ports for directly connecting phones or fax machines, or it can be used to connect up to four direct-inward-dial (DID) analog trunks, providing customers the flexibility they need for their unique business environment. Each port on the Cisco 4-Port FXS/DID VIC is selectable for use in either FXS or DID mode.
Suitable for the UC520, UC540 and UC560 as well as other Cisco ISRs supporting VIC modules.