Linear H611 Telephone Master Hub with Surge Protection

Designed for secure, reliable telephone line sharing, the Linear H611 Telephone Master Hub with Surge Protection delivers centralized line management for telephone entry system controllers and security installations. Ideal for alarm panels, access control, and monitoring sites, the H611 consolidates up to four incoming telephone lines while protecting each line with dedicated surge suppression and visible LED indicators for fast status checks. The module supports RJ-31X seizure of line one for alarm communications, and offers flexible expansion through either RJ-45 or 110 punch-down connectors to simplify integration with structured wiring and surveillance networks. Its compact footprint (3" depth, 1" width) and six enclosure grid spaces make it easy to mount in standard enclosures or telecom racks without consuming valuable space. Built by Linear for dependable line sharing and monitoring, the H611 reduces downtime, improves signal protection, and streamlines installation for security and surveillance professionals. Add the Linear H611 to your next installation to safeguard telephone entry, alarm reporting and monitoring systems—order now or contact us for installation guidance.

• Consolidates and protects up to four incoming telephone lines, simplifying line sharing for security and telephone entry systems
• Integrated surge protection with LED status indicators to prevent damage and speed troubleshooting
• RJ-31X seizure for secure takeover of line one by alarm systems, ensuring reliable monitoring and emergency reporting
• Expandable outputs via RJ-45 or 110 punch-down connectors for flexible integration with structured wiring
• Compact, panel-ready design (3" depth, 1" width) that fits standard enclosures and preserves valuable rack space