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Cisco High-Density Analog Voice Service Module SM-X-16-FXS/2FXO - Expansion module - FXS x 16 + FXO x 2 - for Cisco 4451-X; Integrated Services Router 4331 4351
These Cisco modules provide enterprises managed services providers and service providers the ability to directly connect public-switched telephone networks and existing telephony equipment to Cisco compatible routers.
$259.00 Free Delivery