SM-X-24FXS/4FXO Cisco 24 x Ports FXS RJ-21 + 4 x Ports FXO RJ-11 High-Density Analog Voice Service Module for 4451-X Integrated Services Router

The SM‑X‑24FXS/4FXO is a high‑density analog voice service module designed for Cisco 4451‑X Integrated Services Routers, delivering seamless voice connectivity for businesses that demand reliable, crystal‑clear communication. Engineered for easy installation, this module integrates directly into your router, consolidating multiple analog lines while reducing cabling complexity and freeing up valuable rack space. Its robust construction ensures consistent performance in demanding environments, while its flexible configuration supports a variety of telephony applications, from call centers to branch offices. Experience enhanced efficiency and reduced operational costs with a solution that blends Cisco’s trusted reliability with streamlined analog voice integration.