Newbridge Networks 90-0161-01 CSU Module

Overview
The Newbridge Networks CSU Module (part number 90-0161-01) is a compact, high-performance channel service unit designed for seamless integration into fiber optic and copper network infrastructures. Engineered to provide reliable signal conditioning, clock recovery, and line equalization, this module ensures optimal data integrity for demanding telecommunications and data center environments.

Key Features

• Plug-in form factor compatible with standard chassis slots for easy installation and maintenance
• Supports both SONET and SDH framing formats for versatile network deployments
• Integrated clock recovery circuit reduces jitter and improves timing accuracy
• Automatic line equalization adapts to varying link conditions without manual intervention
• Low power consumption helps to minimize operational costs and heat generation
• Robust metal housing provides protection against electromagnetic interference and physical stress

Technical Specifications

• Model/Part Number: 90-0161-01
• Interface: Dual fiber or dual copper ports (selectable per configuration)
• Data Rate: Up to 155 megabits per second per port
• Operating Temperature: 0 to 70 degrees Celsius
• Power Supply: 48 VDC, 0.5 A max
• Dimensions: 4.2 in (height) x 8.5 in (width) x 9.0 in (depth)
• Compliance: RoHS, FCC Part 15 Class B

Applications
The CSU Module is ideal for carrier Ethernet aggregation, metro Ethernet rings, and enterprise backbone links. It is frequently deployed in:

• Telecom central offices for high-availability transport networks
• Data center interconnects requiring precise clock synchronization
• Metro and regional networks that need flexible SONET/SDH support
• Industrial sites where rugged performance and low power draw are critical

By delivering consistent signal quality and simplified management, the Newbridge Networks CSU Module helps network operators reduce downtime, improve throughput, and future-proof their infrastructure.