Bogen TEL1S Telephone Input Module

Bring telephone-originated pages into your security and communication ecosystem with the Bogen TEL1S Telephone Advanced Input Module. Designed for installers and system integrators, the TEL1S provides transformer-isolated, balanced inputs that interface seamlessly with both dry loop paging ports and wet loop (loop/ground start) telephone trunks. Support for an external 48V DC talk-battery lets you connect to legacy PBX or trunk lines while preserving audio integrity. Built-in VOX/gating (with threshold and duration controls), a limiter and an adjustable gain trim (0–30 dB) ensure clear, consistent pages into monitoring and surveillance systems without clipping or background noise. Assign the TEL1S output to one or both mixing buses, and use any of four priority levels to guarantee critical pages override lower-priority audio. The small footprint and screw-terminal connections make field installation straightforward in paging heads, intercoms, or security racks. Ideal for security, surveillance, and facility-wide monitoring applications—specify the Bogen TEL1S to add robust, controllable telephone paging to your next project or contact us to order and request full integration details.

• Integrates telephone lines into paging and AV systems, enabling reliable paging from wet or dry loop telephone systems
• Transformer-isolated input with external 48V talk-battery support for secure, low-noise connections
• VOX/gating with threshold and duration plus built-in limiter and adjustable gain (0–30 dB) for consistent, intelligible audio
• Four priority levels and mute send/receive let you control page precedence across two assignable mixing buses
• Compact screw-terminal design simplifies installation into existing security, surveillance, intercom, and monitoring infrastructures