Voice/Telephone Modules

Voice Modules for IP/T1/E1 Products

Intraplex® voice modules provide digital transport of voice-grade audio for telephone, intercom, fax and modem circuits that can be combined with other data, voice and program audio for transmission over T1, E1 and IP networks. With two-wire, four-wire and wideband voice modules, a variety of coding and signaling options are available to support specialized applications.

Click on the Product Details tab to view a list of all Intraplex voice/telephone modules and their common applications.

Product Details

Click the module type to view complete information and specifications.

Type	Cards	Common Applications
Four-wire FXO/FXS	VF-15, VF-15E, VF‑16A, VF-16AE, VF‑17, VF-17E, VF18A, VF-18AE	Off-premise extension (OPX) telephone circuits Automatic ring-down (ARD) circuits
Four-wire E&M	VF-25, VF-25E, VF‑27, VF-27E	Connecting PBX/PABX systems Intercoms and talkback circuits Confidence monitoring Telephonic (FSK) control of older remote control systems Voice traffic for mobile radio networks EAS
Four-wire TO	VF-28, VF-28E, VF‑29, VF-29E	High-precision voice traffic for mobile radio simulcast networks
Four-wire E&M with extended low-frequency response	VF-40	Voice traffic with for mobile radio networks with support for PL/CTCSS/DPL tones
Four-wire orderwire	VF-6i	Orderwire (party line) voice circuits
Secure digital voice	DV-600A	Motorola® SECURENET™ encrypted voice traffic

Ordering Information

IX-4102	2 W off premise extension (OPX) telephone add-on package for T1. Suitable for foreign exchange lines, 2-wire PBX tie lines between offices, and off premise extensions. Includes 1 VF-15 2-port FXO voice module and 1 VF-16A 2-port FXS voice module, with MA-303 module adapters. Includes ring generator and talk battery at FXS end

IX-4103	2 W automatic ring down (ARD) telephone add-on package for T1. 2x 2-wire voice channels for automatic ring down circuits. Includes 2 VF-16A voice modules, with MA-303 module adapters. Includes ring generator and talk battery at each end

IX-4104	4 W voice module package for T1. Suitable for transport of voice grade audio such as PBX-PBX links, FSK data for remote control, 2-way radio audio, intercoms, and EAS audio. Package includes 2 each VF-25 4 channel, 4-wire, E&M 3.4 kHz voice modules and MA-306 module adapters

IX-4104E1	4 W voice module package for E1. Suitable for transport of voice grade audio such as PABX-PABX links, FSK data for remote control, 2-way radio audio, intercoms, and other general purpose monitoring applications. Package includes 2 each VF-25E 4 channel, 4-wire, 3.4 kHz voice modules and MA-306 module adapters