Marconi NM-4/155SMLRE 4-Port 155Mbps OC-3/STM-1, SMF

Overview
The Marconi NM-4/155SMLRE is a high-performance 4-port optical module designed for 155Mbps OC-3/STM-1 transmission over single-mode fiber (SMF). Engineered for reliability and ease of integration, this compact module delivers consistent bandwidth for carrier-grade networks, metro Ethernet, and high-speed data transport. Its plug-and-play design simplifies deployment while maintaining strict industry standards for signal integrity.

Key Features

• Four independent 155Mbps ports for flexible network topology
• Supports OC-3/STM-1 rates with low jitter and high eye-pattern quality
• Optimized for single-mode fiber (SMF) with 1310nm wavelength
• Hot-swap capable for minimal service interruption
• Compact SFP-like form factor for space-constrained equipment
• Built-in diagnostics and alarm monitoring
• Robust mechanical design for temperature range -40 to 85 degrees Celsius

Technical Specifications

• Data rate: 155Mbps per port (OC-3/STM-1)
• Number of ports: 4
• Fiber type: Single-mode fiber (SMF)
• Wavelength: 1310nm
• Connector type: LC duplex
• Operating temperature: -40 to 85 degrees Celsius
• Power consumption: Max 2.5W
• Dimensions: 13mm x 85mm x 110mm (H x W x L)
• Compliance: ITU-G.983, ANSI T1.105, IEC 61753

Applications
The NM-4/155SMLRE is ideal for a wide range of high-speed networking scenarios, including:

• Metro and regional carrier backbones
• Enterprise campus interconnects
• Data center uplinks and storage area networks
• Video distribution and broadcast transport
• Government and military secure communications
• Fiber-to-the-home (FTTH) aggregation points

By delivering four reliable 155Mbps channels in a single, easy-to-install module, the Marconi NM-4/155SMLRE helps network operators expand capacity, improve redundancy, and reduce overall system cost.