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SM-X-72FXS-RF

FixedPrtHighDensityAnalogViceSrvcMdlefrISR4K REMANUFACTURED

SM-X-72FXS-RF is a professionally remanufactured Cisco 72-Port FXS Voice Interface Service Module, designed to provide large-scale analog telephone and fax connectivity for enterprise unified communications deployments. This high-density module installs into Cisco 4000 Series Integrated Services Routers (ISR 4000), enabling centralized PSTN analog line aggregation for branch office and campus telephony environments.

This remanufactured service module meets Cisco original equipment specifications and has been fully inspected and tested prior to shipment. Validation includes verification of all 72 FXS port signaling functionality, power-over-module delivery integrity, and compatibility handshaking with Cisco IOS XE software.

Key Features:
• 72 FXS analog ports supporting standard telephone, fax, and modem connections on a single service module
• Compatible with Cisco ISR 4000 Series routers via the SM-X high-speed service module slot interface
• Supports on-hook, off-hook, and loop-start signaling with configurable dial-peer and voice port parameters
• Enables SCCP and SIP gateway operation for integration with Cisco Unified Communications Manager (CUCM)
• Supports T.38 fax relay and V.150.1 modem relay for reliable fax and data transmission over VoIP
• Remanufactured and tested to Cisco factory specifications, supplied with a "RF" (Remanufactured) product designation