Name: Card 4W E&M
Brand: Telco Systems
Price: 274.95 USD
Availability: InStock

Telco Systems 2440-42 Card 4W E&M

OverviewThe Telco Systems 2440-42 Card 4W E&M is a high performance interface card designed for reliable E&M signaling in carrier grade telecommunication equipment. Engineered for 4-wire operation, this compact card delivers clear voice and data tran... Read More

$274.95

In Stock: 6
Manufacturer: Telco Systems
Model or Part: 2440-42
Condition: Refurbished
Weight: 15.00lb

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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

Some items drop ship from third party sellers.

Description

Overview
The Telco Systems 2440-42 Card 4W E&M is a high performance interface card designed for reliable E&M signaling in carrier grade telecommunication equipment. Engineered for 4-wire operation, this compact card delivers clear voice and data transmission while minimizing jitter and noise. Its robust construction and flexible configuration options make it an ideal upgrade for modern multiplexers, routers and gateway platforms that require precise E&M control.

Key Features

Four wire (4W) E&M interface for full duplex operation
Low insertion loss and high isolation to protect signal integrity
Plug-in form factor compatible with standard Telco Systems chassis
Configurable polarity and impedance settings for diverse network environments
Built-in diagnostics and status LEDs for quick troubleshooting

Technical Specifications

Model/Part Number: 2440-42
Operating voltage: 5 VDC
Current consumption: max 250 mA per card
Impedance: 600 ohms balanced
Frequency range: 300 Hz to 3.4 kHz (voice) and up to 4 MHz for data channels
Temperature range: -40 to 85 degrees Celsius
Dimensions: 1.75 in (H) x 5.5 in (W) x 0.5 in (D)
Connector type: RJ45 with shielded contacts

Applications
This card is suited for a wide range of telecom and data communication scenarios, including:

Carrier grade multiplexing and demultiplexing equipment
Voice over IP gateways that need analog E&M support
Legacy PSTN interfacing where reliable E&M signaling is required
Remote terminal units in SCADA and utility networks
Testing and measurement rigs for E&M performance validation

By integrating the Telco Systems 2440-42 Card 4W E&M, users gain a dependable solution that enhances signal quality, simplifies installation, and reduces maintenance downtime, helping to keep critical communication links operating smoothly.