FT635-UELE – Interfaccia Radio-Telefono

FT635-UELE Telephone Line Interface | Radio & Telephone Connectivity

The FT635-UELE Telephone Line Interface is a professional communication module designed to bridge radio systems and telephone networks. It enables two-way communication, remote radio control, and call forwarding between radio users and standard telephone lines, making it ideal for public safety, industrial applications, and control centers.

Key Features:

• Seamless Telephone-to-Radio Integration – Connects analog telephone lines (PSTN, PABX) with radio communication systems.
• DTMF & Pulse Dialing Support – Allows standard dialing methods for connecting radio users with telephone subscribers.
• Automatic Call Forwarding – Enables automatic transfer of calls between the telephone and radio network.
• Push-to-Talk (PTT) Activation – Supports standard and phantom PTT activation for remote radio control.
• Carrier Detection & Squelch Input – Ensures secure and efficient radio communication.
• Programmable Digital Inputs/Outputs – 16 I/O ports for custom configurations and external control.
• RS232 Serial Communication – Allows configuration and system monitoring via a PC interface.
• Night Mode & Speed Dialing – Special features for enhanced operational flexibility.

Connection & Setup:

Telephone-to-Radio Communication

The FT635-UELE connects a telephone network to a two-way radio system, allowing radio users to dial and receive calls just like regular telephone subscribers.

• Supports direct dialing via DTMF or pulse dialing.
• Automatic call forwarding between telephone and radio users.
• Night mode for alternate call routing based on preset conditions.

Push-to-Talk (PTT) Activation

The interface provides multiple methods to activate the radio transmitter:

• Standard relay-based PTT output.
• Phantom PTT control via the transformer center tap.
• Configurable timing for PTT lead-up and follow-up delays.

Carrier Detection & Squelch Control

Carrier signals can be detected in various ways to trigger communication:

• Low/high active input with pull-up resistance.
• AF-controlled carrier detection.
• Phantom carrier activation.

Speed Dialing & Automatic Call Routing

For ease of use, the FT635-UELE supports speed dialing and programmable call routing features.

• 1000-entry speed dial memory for quick dialing.
• Programmable direct dialing with tone sequences.
• Call monitoring and automatic termination based on signal conditions.

Why Choose the FT635-UELE Telephone Line Interface?

• Reliable connection between telephone networks and radio systems.
• Configurable operation modes for simplex and duplex communication.
• Comprehensive control with programmable I/O and RS232 monitoring.
• Ideal for dispatch centers, industrial communication, and emergency services.

Applications:

• 🔹 Emergency Dispatch & Public Safety – Police, fire, and ambulance communication.
• 🔹 Industrial & Utility Operations – Radio-telephone integration for remote sites.
• 🔹 Transportation & Logistics – Railway, aviation, and maritime communication networks.