Name: 2W FXS/FXO ADPCM Analog Voice Card
Brand: Telco Systems
Price: 579.95 USD
Availability: InStock

Telco Systems 6043-21 2W FXS/FXO ADPCM Analog Voice Card

$579.95

In Stock: 4
Manufacturer: Telco Systems
Model or Part: 6043-21
Condition: Refurbished
Weight: 22.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The Telco Systems 6043-21 is a compact 2 watt analog voice interface module that supports both FXS (Foreign Exchange Station) and FXO (Foreign Exchange Office) ports with ADPCM encoding. Designed for carrier grade equipment, this unit delivers reliable voice conversion while minimizing bandwidth usage. Its small footprint makes it ideal for integration into PBX systems, session border controllers, and media gateways where space and power efficiency are critical.

Key Features

Dual mode operation - configurable as FXS or FXO
ADPCM voice compression for up to 4:1 bandwidth reduction
2 watt power consumption for low energy footprint
Plug-in design with standard RJ11 connectors
Built-in echo cancellation and gain control
Robust hardware protection against overvoltage and surges
Compatible with Telco Systems carrier grade platforms

Technical Specifications

Model number: 6043-21
Power rating: 2 W (max)
Supported protocols: FXS, FXO, ADPCM (G.726)
Operating temperature range: -10 deg to +55 deg C
Supply voltage: 12 VDC +/- 10%
Impedance: 600 ohm nominal
Signal level: -48 dBmV (FXS), -60 dBmV (FXO)
Connector type: RJ11 4-pole

Typical Applications

Integration into IP PBX and hybrid telephony systems
Voice gateway interfaces for carrier networks
Session border controller (SBC) voice ports
Enterprise VoIP deployments requiring analog line support
Small office or remote site extensions using existing PSTN lines
Test and measurement equipment that needs reliable FXS/FXO conversion

The 6043-21 delivers high quality voice processing in a rugged package, helping service providers and enterprises maximize the value of their legacy analog infrastructure while transitioning to modern IP based communications.