Name: 56k/64k CSU/DSU Rackmount Module Multirate DSU
Brand: Paradyne
Price: 228.95 USD
Availability: InStock

Paradyne 3511-B1-002 56k/64k CSU/DSU Rackmount Module Multirate DSU

The Paradyne 3511 56k/64k CSU/DSU Rackmount Module Multirate DSU (part number 3511-B1-002) is a robust, carrier-grade solution for reliable digital data transmission over T1/E1 lines. Designed for 19-inch rack mounting, this module provides seamless ... Read More

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$228.95

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In Stock: 2
Manufacturer: Paradyne
Model or Part: 3511-B1-002
Condition: New
Weight: 17.00lb

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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 Paradyne 3511 56k/64k CSU/DSU Rackmount Module Multirate DSU (part number 3511-B1-002) is a robust, carrier-grade solution for reliable digital data transmission over T1/E1 lines. Designed for 19-inch rack mounting, this module provides seamless connectivity between network equipment and the public switched telephone network, supporting both 56 kbps and 64 kbps rates in a single, compact unit.

Key Features

Multirate operation - automatic selection of 56 kbps or 64 kbps data rates
Integrated channel service unit (CSU) and data service unit (DSU) functions
Full duplex operation with echo cancellation for clear signal quality
LED status indicators for power, alarm, and link activity
Rackmount design with standard 19-inch mounting depth
Built-in diagnostics and loopback testing capabilities
Wide operating temperature range from 0 deg to 55 deg C
Compliance with ANSI T1.403 and ITU-G.703 standards

Technical Specifications

Supported line types: T1 (North America) and E1 (International)
Data rates: 56 kbps and 64 kbps
Interface: RJ-48C connector for line side, DB-25 or RJ-45 for equipment side
Power supply: 48 VDC (optional 120 VAC input via external adapter)
Current consumption: max 1.5 A at 48 VDC
Alarm thresholds: loss of signal, loss of frame, line errors, over-temperature
Dimensions: 1U rack height, 17.5 in width, 7.5 in depth
Weight: approx 5 lbs (2.3 kg)

Typical Applications

Enterprise WAN links requiring reliable T1/E1 connectivity
Telecom carrier backhaul and aggregation points
Data center interconnects where low latency and high availability are critical
Remote office networking using leased line services
Industrial control systems that need robust serial communication over long distances
Backup and disaster recovery sites that depend on dedicated circuit connections

With its proven Paradyne reliability, the 3511-56k/64k CSU/DSU module delivers high-performance data transport, easy installation, and comprehensive monitoring, making it an ideal choice for any organization that demands uninterrupted digital communication over T1/E1 circuits.