AFI MT-86C Audio for Telephone for Multiple Modes

For secure, reliable telephony in surveillance and monitoring environments, the American Fibertek AFI MT-86C Audio for Telephone SFP provides transparent voice transport over multimode fiber. Designed for security integrators and IT teams, this SFP module uses AM/FSK transmission to carry standard telephone signals—including ring, off-hook, hook-switch flash and forward disconnect—without loss of signaling integrity. The MT-86C mounts as a standalone SFP or in American Fibertek card cages, giving you flexible installation options for small sites or larger rack-based systems. Because it requires no field adjustments and includes clear diagnostic indicators, the unit reduces installation time and ongoing maintenance, keeping critical communications available in access control, CCTV monitoring, and emergency voice pathways. Ideal for networking and security projects that demand dependable analog telephony over fiber, the AFI MT-86C simplifies integration while maintaining carrier-grade performance. Add the MT-86C to your next security or surveillance deployment to streamline telephony over fiber and improve system uptime.

• Delivers transparent telephone audio over a single multimode fiber to simplify site wiring and reduce infrastructure costs
• AM/FSK transmission ensures reliable, carrier-grade voice signaling with full support for ring, off-hook and hook-flash events
• Plug-and-play SFP module design requires no field adjustments and minimizes downtime for security and surveillance deployments
• Built-in diagnostic indicators provide quick visual health checks to speed troubleshooting and maintenance
• Flexible deployment as a standalone SFP or in American Fibertek rack cards for scalable monitoring and telephony integration