Cisco NIM-4E/M 4 Port Network Module
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Cisco NIM-4E/M 4-Ports Network Interface Module for Refurbished

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Part Number#: NIM-4E/M
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Short Description:
NIM-4E/M 4-Ports E/M 4000 Series Integrated Services Router Data Networking Voice Network Interface Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview for the Cisco NIM-4E/M 4-Ports Network Interface Module

The model (Network Interface Module) is a device made by Cisco that provides connectivity between Cisco Integrated Services Routers (ISRs) and legacy telephone systems that use E& M (ear and mouth) circuits. E& M circuits are used to provide signaling and control between telephone switches. The NIM-4E/M has four ports for connecting to E&M circuits, allowing for connectivity to legacy telephone systems in a Cisco ISR platform. It supports both E&M Wink Start and Delay Dial signaling types. The module can be used in a variety of applications including PBX connectivity and voice gateway functionality.

The Cisco NIM-4E/M is a crucial component in the world of networking, specifically designed for use with the Cisco 4000 Series Integrated Services Routers (ISRs). In this comprehensive guide, we will delve into the intricacies of this module, exploring its key features, functions, and its role in enhancing data networking and voice services.

Key Features of Cisco 4000 Series Integrated Services Router

  • Scalability: The 4000 Series routers are engineered to scale with the growth of an organization. This ensures that as network demands increase, the infrastructure can seamlessly expand to accommodate higher workloads.
  • Security: Cisco places a strong emphasis on security, and the 4000 Series routers come equipped with advanced security features. These include threat detection, encryption, and secure connectivity options to safeguard sensitive data.
  • Performance: With powerful processors and innovative architecture, the Cisco 4000 Series routers deliver exceptional performance. This is crucial for handling data-intensive applications and ensuring smooth network operations.
  • Modular Design: The modular design of these routers allows for the integration of various modules and interface cards, enhancing their functionality and adaptability to diverse networking requirements.

Ethernet Ports

The four Ethernet ports on the NIM-4E/M module are crucial for data networking. These ports support high-speed data transfer, allowing for the seamless flow of information across the network. Whether it's interconnecting devices within an office or facilitating data transfer between different network segments, these ports play a pivotal role in maintaining efficient data communication.

High Throughput

The module is designed to handle high-throughput data traffic, ensuring that even in demanding networking environments, it can deliver optimal performance. This is particularly important in scenarios where large volumes of data need to be transferred quickly and reliably.

Voice Interface Card (VIC) Slots

The inclusion of four VIC slots allows for the integration of voice interface cards. These cards enable the router to interface with traditional telephony equipment, facilitating the integration of voice services into the overall network infrastructure.

Wide Area Network (WAN) Interface Card (WIC) Slots

In addition to supporting voice, the module also accommodates WAN interface cards. These cards are instrumental in connecting the router to wide area networks, expanding the organization's communication reach beyond the local network.

E/M Interface

The inclusion of E/M interfaces is a notable feature of the NIM-4E/M Module. E&M interfaces are commonly used in telecommunication systems to facilitate voice communication. These interfaces support the transmission of both voice and signaling information, making the module suitable for applications that require voice connectivity.


The module's four ports provide scalability, allowing network administrators to expand and adapt their network infrastructure based on evolving requirements. This scalability is crucial for businesses and organizations experiencing growth and increased demands on their networks.

Versatility in Connectivity

With support for both Ethernet and E&M interfaces, the NIM-4E/M Module offers versatility in connectivity options. This flexibility is advantageous in environments where diverse communication needs must be addressed, such as in enterprises with both data networking and voice communication requirements.

High Performance

Cisco is synonymous with high-performance networking solutions, and the NIM-4E/M Module is no exception. Leveraging advanced technologies, this module ensures efficient data transfer and reliable voice communication, contributing to a seamless and responsive network.

Reliability and Redundancy

In mission-critical networking environments, reliability is paramount. The NIM-4E/M Module is designed with redundancy in mind, minimizing the risk of disruptions in case of a hardware failure. This feature enhances the overall reliability of the network infrastructure.

Streamlined Network Management

The scalability and versatility of the NIM-4E/M Module contribute to streamlined network management. Network administrators can easily adapt the module to meet changing requirements without overhauling the entire infrastructure, saving time and resources.

Enhanced Network Resilience

Redundancy features built into the module enhance network resilience. In the event of a hardware failure, the system can automatically switch to backup resources, minimizing downtime and ensuring continuous operation.

Enterprise Networks

In large enterprises with diverse communication needs, the NIM-4E/M Module can be deployed to handle both data networking and voice communication requirements. Its scalability and flexibility make it well-suited for the dynamic nature of enterprise networks.

Improved Communication Capabilities

The inclusion of E&M interfaces enables the module to enhance voice communication capabilities. This is particularly beneficial for businesses that rely on telephony services and need a reliable and high-quality voice communication infrastructure.

Benefits of the Cisco Network Interface Module

This model Cisco 4-Ports E/M Network Interface Module is designed to provide high performance and reliability for connecting legacy telephone systems to Cisco Integrated Services Routers (ISRs).

In terms of performance, the NIM-4E/M supports both voice and data communications and can handle high call volumes. It is also designed to handle voice and data traffic concurrently, allowing for efficient use of network resources.

In terms of reliability, the model is built to withstand the demands of a production environment. It is designed to be hot-swappable, which means it can be replaced without interrupting the operation of the ISR. Additionally, this item supports various redundancy and failover mechanisms, such as dial backup and redundant power supplies, which ensure that the system stays up and running in case of an unexpected failure.

Interface Provided for Digital Workplace

The NIM-4E/M Cisco 4-Ports E/M Network Interface Module provides an interface for connecting legacy telephone systems to a Cisco ISR in a digital workplace environment. This can allow businesses to integrate their legacy telephone systems with their modern digital workplace infrastructure, providing a seamless and unified communication experience for employees.

The module provides four ports for connecting to E&M (ear and mouth) circuits, which are used in telephone systems to provide signaling and control between telephone switches. This allows for connectivity to legacy telephone systems, such as PBX systems, which may still be in use in some workplaces. This item supports both E&M Wink Start and Delay Dial signaling types.

The module also supports both voice and data communications, allowing for integration with modern VoIP systems and other digital workplace technologies. This can provide benefits such as improved call quality, increased flexibility and scalability, and lower costs compared to traditional telephone systems.

Additionally, it can also be integrated with other digital workplace solutions such as video conferencing, unified communications, and collaboration tools, to provide a more seamless and productive communication experience for employees.

Main Information of the Cisco NIM-4E/M

  • Manufacturer: Cisco
  • Model Number or SKU# NIM-4E/M
  • Product Name: 4-Port E/M Network Interface Module
  • Product Type: Interface Module

Technical Information of Cisco Interface Module

  • Application/Usage: Data Networking
  • Application/Usage: Voice

Interfaces / Ports for Cisco 4-Ports Module

  • Interfaces/Ports Details: 4 x E&M
  • Cisco 4000 Series Integrated Services Routers

Outline, the Cisco NIM-4E/M 4-Ports E/M Module is a powerful addition to the 4000 Series Integrated Services Router, offering a blend of scalability, versatility, and high performance. Whether deployed in enterprise networks, telecommunication systems, or government organizations, this module enhances data networking and voice communication capabilities, contributing to a robust and reliable network infrastructure.

Network administrators looking to optimize their network for both current and future needs should consider the Cisco NIM-4E/M Module as a strategic component in their overall network architecture. Its features, benefits, and ease of integration make it a valuable asset in the dynamic landscape of modern networking.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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