The Resideo (621) RJ31X Telephone Jack is a critical interface component for fire alarm communication systems, designed to provide reliable telephone line access for emergency notification and monitoring. This precision-engineered RJ31X jack enables seamless integration between fire alarm control panels and external telephone networks, ensuring critical alarm signals can be transmitted effectively in commercial and institutional environments.
Engineered for professional fire alarm installation, the Resideo (621) provides a standardized connection point that meets rigorous telecommunications and life safety requirements. Commonly deployed in addressable fire alarm systems across office complexes, healthcare facilities, educational institutions, and industrial campuses, this telephone jack supports comprehensive emergency communication protocols.
Key Features
- High-reliability RJ31X standard configuration for consistent telecommunications interface
- Compatible with multiple fire alarm control panel manufacturers and communication protocols
- Durable construction designed for continuous commercial and institutional use
- Meets stringent UL 62 and NFPA 72 communication standards for emergency notification systems
- Precision-machined contacts ensure consistent electrical connectivity
- Compact design facilitates streamlined panel integration and reduced installation complexity
Specifications
- Material: High-grade telecommunications-rated polymer
- Connection Type: RJ31X standard jack
- Mounting: Panel and surface-mount configurations
- Operating Temperature Range: -20°F to 150°F
Professional fire alarm technicians recognize the Resideo (621) RJ31X Telephone Jack as an essential component for maintaining reliable emergency communication infrastructure. Its robust design ensures consistent performance in critical life safety systems across diverse commercial environments, from multi-story office buildings to complex healthcare campuses.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 2 × 2 × 1 in |
| Condition | New |
| Manufacturers | Resideo |
| Part Type | Replacement Part |







