Alpha 4875-S Administrative Desk Master

Designed for rapid, reliable emergency communication, the Alpha Communications 4875-S Administrative Desk Master intercom provides ADA-compliant area-of-rescue assistance for high-rise buildings, hospitals and commercial facilities. As a master console in the Pro-Alert 480 family, this desk-mounted intercom delivers clear two-way voice communication, centralized paging and real-time monitoring to improve security and response times.

Installation is simplified with Cat-5 common-bus wiring—no home runs required—enabling scalable deployments that support up to 128 stations and 8 masters on a single main (network mains expandable to 512 stations). Built-in continuous diagnostics, optional battery backup and interfaces for telephone and radio paging help maintain uptime and extend reach to off-site personnel. The compact desk form factor (6.5" W x 9.2" D x 4" H) places controls within easy reach for administrators managing incident response, surveillance alerts or building-wide paging.

Choose the Alpha 4875-S Administrative Desk Master to strengthen your facility’s security, monitoring and emergency communications. Contact our sales team to configure a Pro-Alert 480 solution tailored to your building’s ADA and safety requirements.

• Delivers instant, ADA-compliant area-of-rescue communication so staff can dispatch help quickly and confidently.
• Scalable Cat-5 common-bus networking reduces installation time and cabling cost while supporting up to 128 stations and 8 masters per main.
• Continuous diagnostics and optional battery backup ensure reliable operation and 24/7 monitoring for emergency and security events.
• Integrates with paging, radio and telephone interfaces for seamless facility-wide notification and off-site call forwarding.
• Desk-mounted master design puts centralized control and clear two-way communication at the administrator’s fingertips for efficient incident management.