The Model H611 from Linear is a Telephone Master Hub with Surge Protection that provides a superior method of telephone connection for structured wiring systems. The Model H611 interfaces up to four incoming telephone lines with a home security system, provides surge protection for each individual line, and features a master disconnect jumper. The module can be expanded through either the RJ-45 or 110 punch-down connectors.
Linear H611 Telephone Master Hub Features
- Telephone service: Supports up to four incoming telephone lines, allowing seamless integration of multiple lines for efficient communication.
- Surge protection: Equipped with an LED indicator for each line, ensuring safety and reliability against power surges.
- RJ-31X interface: Facilitates seizure of line one for priority access, enhancing the functionality of your home security system.
- System test port: Includes a line disconnect feature for easy troubleshooting and maintenance of the system.
- Output expansion: Provides options for expansion through RJ-45 or 110 punch-down connectors, enhancing versatility in wiring setups.
- Enclosure capacity: Offers six enclosure grid spaces for efficient organization and management of connections.
- Compact dimensions: Measures 6.25″ x 1.25″ x 2.75″, making it easy to install in various locations.
Detailed Specifications for Linear H611
| Feature | Details |
| Model | H611 |
| Telephone Lines | Supports up to 4 lines |
| Surge Protection | Yes, with LED indicator |
| RJ-31X | For seizure of line one |
| Test Port | System test port with line disconnect |
| Expansion Connectors | RJ-45 or 110 punch-down |
| Enclosure Grid Spaces | 6 spaces |
| Dimensions | 6.25″ x 1.25″ x 2.75″ |



















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