Name: 4-Port OC-3 Multimode 155 Module
Brand: Fore Systems
Price: 186.95 USD
Availability: InStock

Fore Systems NM-4/155MMSCE 4-Port OC-3 Multimode 155 Module

The Fore Systems NM-4/155MMSCE is a high-performance 4-port OC-3 multimode 155 megabit per second (Mbps) module designed for demanding telecom and data networking environments. This compact, hot-swapable module delivers reliable SONET/SDH connectivit... Read More

price

$186.95

In Stock: 2
Manufacturer: Fore Systems
Model or Part: NM-4/155MMSCE
Condition: Refurbished
Weight: 12.00lb

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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 Fore Systems NM-4/155MMSCE is a high-performance 4-port OC-3 multimode 155 megabit per second (Mbps) module designed for demanding telecom and data networking environments. This compact, hot-swapable module delivers reliable SONET/SDH connectivity over multimode fiber, making it an ideal upgrade for legacy systems that require modern bandwidth and low latency.

Key Features

Four independent OC-3 ports for simultaneous 155 Mbps channels
Supports multimode fiber up to 2 km with standard 62.5/125 µm cable
Hot-swap capable for zero-downtime installation and maintenance
Built-in error detection and correction to ensure data integrity
Low power consumption and compact form factor for dense rack installations
Fully compliant with ANSI T1.105 and ITU-G.707 standards

Technical Specifications

Model/Part Number: NM-4/155MMSCE
Port Count: 4 OC-3 (155 Mbps) ports
Interface: Multimode fiber optic (62.5/125 µm)
Maximum Reach: 2 km (multimode)
Operating Temperature: 0 to 70 degrees Celsius
Power Supply: 48 V DC, typical consumption 4.5 W
Dimensions: 1.75 in (H) x 4.5 in (W) x 5.5 in (D)
Connector Type: LC duplex

Applications
This module is perfect for telecom central offices, enterprise campus networks, and service provider backbones where reliable OC-3 performance over multimode fiber is required. Typical uses include voice and data aggregation, video transport, network monitoring, and legacy SONET/SDH system upgrades. Its hot-swap capability also makes it suitable for mission-critical environments where uptime is essential.