Intraplex VF-5 module

Product Description

Intraplex VF-5 Voice Frequency Module (Telecom Channel Unit)

This is a specialized channel unit designed for legacy T1/E1 multiplexer systems. It performs analog-to-digital (and digital-to-analog) conversion, allowing a standard analog voice frequency (VF) line (e.g., from a telephone or two-wire circuit) to be digitized and carried within a T1 or E1 digital trunk.

Key Functions & Specifications:

• Model: VF-5

• Type: Voice Frequency (VF) Channel Unit

• Compatibility: Intraplex T1/E1 multiplexers or channel banks

• Input/Output: 2-wire or 4-wire analog VF interface (600 Ω typical)

• Digital Interface: Integrates into a DS0 (64 kbps) timeslot within a T1/E1 frame

• Features: May include signaling support (loop start, ground start, E&M) and gain adjustment

Applications:

• Spare or replacement module for Intraplex multiplexer systems

• Restoration of legacy T1/E1 channel banks or digital cross-connects

• Educational tool for telecom training on PCM (Pulse Code Modulation) voice encoding