Name: DSU III DBU/ISDN
Brand: Adtran
Price: 227.95 USD
Availability: InStock

Adtran 1202.037L4 DSU III DBU/ISDN

$227.95

In Stock: 1
Manufacturer: Adtran
Model or Part: 1202.037L4
Condition: Refurbished
Weight: 19.00lb

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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 Adtran DSU III DBU/ISDN (model 1202.037L4) is a high-performance digital service unit designed to deliver reliable ISDN connectivity for enterprise and carrier environments. Built with robust hardware and advanced signal processing, this device provides seamless integration of primary rate interface (PRI) and basic rate interface (BRI) services into modern IP networks. Its compact rackmount form factor makes it ideal for installation in data centers, central offices, or branch locations where space is at a premium.

Key Features

Supports both PRI (30 channels) and BRI (2 channels) configurations
Full-duplex operation with echo cancellation for crystal clear voice quality
Integrated diagnostics and alarm reporting via SNMP, HTTP and console interface
Redundant power supply options for maximum uptime
Modular design that allows easy field upgrades and maintenance
Low latency processing suitable for real-time voice and data applications

Technical Specifications

Model number: 1202.037L4
Interface: DSU III DBU with ISDN PRI/BRI ports
Channel capacity: 30 B channels + 1 D channel for PRI, 2 B channels + 1 D channel for BRI
Signal format: 2B+D (64 kbps per B channel)
Operating temperature range: 0 to 40 degrees Celsius
Power consumption: 45 Watts typical, optional redundant power modules
Dimensions: 1U rackmount, 445 mm height x 180 mm width x 100 mm depth
Compliance: FCC Part 68, CE, RoHS

Applications

Enterprise voice over IP (VoIP) gateways requiring ISDN trunking
Carrier central office equipment for connecting legacy ISDN lines to modern networks
Call centers that need reliable multi-channel voice connectivity
Financial institutions using secure ISDN links for transaction processing
Government and public safety communications where robust, low-latency voice is critical

The Adtran DSU III DBU/ISDN delivers the reliability of traditional ISDN with the flexibility needed for today's converged network environments. Its feature set and rugged design make it a trusted choice for any organization looking to maintain high-quality digital voice services while preparing for future IP-based solutions.