Name: CSU Module, 108660390, 63185A
Brand: Avaya Lucent
Price: 22.95 USD
Availability: InStock

Avaya Lucent 120A4 CSU Module, 108660390, 63185A

The Avaya Lucent 120A4 CSU Module (part number 108660390, 63185A) is a high-performance channel service unit designed to provide reliable line conditioning and protection for digital and analog carrier circuits. Engineered for demanding telecom envir... Read More

price

$22.95

In Stock: 20
Manufacturer: Avaya Lucent
Model or Part: 120A4
Condition: Refurbished
Weight: 1.00lb

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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 Avaya Lucent 120A4 CSU Module (part number 108660390, 63185A) is a high-performance channel service unit designed to provide reliable line conditioning and protection for digital and analog carrier circuits. Engineered for demanding telecom environments, this module ensures optimal signal integrity, reduces noise, and safeguards equipment from voltage transients. It is a direct replacement for legacy units, offering seamless integration into existing Avaya and Lucent platforms.

Key Features

Robust line conditioning for T1/E1, DS1, and analog circuits
Integrated surge protection to defend against lightning and power spikes
Automatic gain control for consistent signal levels
Compact 1U rack-mount form factor for space-efficient installation
Plug-and-play design with standard Avaya Lucent connectors
Low power consumption for energy-efficient operation

Technical Specifications

Model/Part Number: 120A4 / 108660390 / 63185A
Supported line rates: 1.544 Mbps (T1), 2.048 Mbps (E1), and analog voice
Operating temperature: 0 to 55 degrees C (32 to 131 degrees F)
Power supply: 48 VDC nominal
Dimensions: 1.75 in (height) x 17.5 in (width) x 13.5 in (depth)
Weight: 4.5 lbs (approx.)

Applications
The 120A4 CSU Module is ideal for service provider networks, enterprise PBX installations, and data center interconnects where reliable carrier line performance is critical. It is commonly used in:

Telephony gateways and voice over IP (VoIP) edge devices
Remote office extensions requiring high-quality T1/E1 connectivity
Backup and disaster recovery circuits that demand stable signal conditioning
Industrial environments where surge protection and ruggedness are essential

By delivering clean, stable signals and protecting against electrical disturbances, the Avaya Lucent 120A4 CSU Module helps maintain uninterrupted communications and extends the lifespan of downstream equipment.