NM-1A-OC3-POM Cisco ATM OC-3 Network Module Refurbished

The NM-1A-OC3-POM Cisco ATM OC-3 Network Module is a crucial component in networking technology, designed to enhance data transmission and connectivity. In this detailed guide, we will explore the features, functionality, and significance of the NM-1A-OC3-POM module in Simple English. Whether you're a networking enthusiast, a student, or an IT professional, this comprehensive overview aims to provide a clear understanding of this Cisco module.

The NM-1A-OC3-POM is a network module manufactured by Cisco, a leading global provider of networking solutions. This module is specifically designed for Cisco routers and serves the purpose of expanding and optimizing network capabilities. The acronym "NM" stands for Network Module, while "OC-3" refers to Optical Carrier Level 3, indicating a high-speed data transmission rate.

• Optical Connectivity: The NM-1A-OC3-POM utilizes optical technology to transmit data at an OC-3 rate. This high-speed connectivity ensures efficient data transfer across networks, making it suitable for applications that demand substantial bandwidth.
• ATM Technology: The module employs Asynchronous Transfer Mode (ATM) technology, a switching technique that organizes data into small, fixed-size cells for seamless transmission. ATM is known for its reliability and low latency, making it ideal for real-time applications.
• Single-Mode Fiber Compatibility: The NM-1A-OC3-POM is designed to work with single-mode fiber optic cables. Single-mode fibers allow for the transmission of signals over long distances with minimal signal loss, making the module suitable for large-scale network deployments.
• Scalability: Cisco's NM-1A-OC3-POM is designed with scalability in mind, enabling network administrators to expand their network capabilities as the need arises. This scalability is essential for growing businesses or organizations experiencing an increase in network traffic.
• Hot-Swappable Design: The module features a hot-swappable design, allowing for the replacement or addition of modules without disrupting the overall functionality of the router. This feature contributes to increased system availability and reduced downtime during maintenance.

The NM-1A-OC3-POM Cisco ATM OC-3 Network Module finds applications in various scenarios due to its high-speed capabilities and reliability. Some common use cases include:

• Enterprise Networking: Large enterprises with extensive networking needs can benefit from the NM-1A-OC3-POM's scalability and high-speed data transmission for seamless communication between departments and locations.
• Internet Service Providers (ISPs): ISPs can leverage the module's high bandwidth to ensure fast and reliable internet connectivity for their subscribers, especially in densely populated areas.
• Data Centers: Data centers handling a massive volume of data traffic require high-performance networking components. The NM-1A-OC3-POM is well-suited for data centers where low latency and high bandwidth are critical.
• Telecommunication Networks: Telecommunication networks, including those supporting voice and video services, benefit from the module's ability to handle real-time data with minimal delay.

• High-Speed Data Transmission: The OC-3 level of connectivity ensures rapid data transfer, meeting the demands of modern applications and services.
• Reliability and Low Latency: The use of ATM technology contributes to the reliability and low latency of the module, making it suitable for time-sensitive applications.
• Scalability for Growing Networks: The module's scalability allows for the expansion of network capabilities without the need for a complete infrastructure overhaul.
• Hot-Swappable Design for Maintenance: The hot-swappable design minimizes downtime during maintenance activities, enhancing the overall availability of the network.

The NM-1A-OC3-POM Cisco ATM Single POM SFP Slot Module is designed to provide resiliency and high availability in networking environments.

Resiliency refers to the ability of a network to continue functioning in the event of a failure or disruption. This product module provides resiliency by using SFP transceivers, which are small, modular devices that can transmit and receive optical signals over a single fiber. This allows for easy installation and replacement of transceivers in the event of a failure.

High availability refers to the ability of a network to provide uninterrupted service to users. This product module provides high availability by providing OC3 (Optical Carrier level 3) ATM connection, which is a high-speed, reliable technology that can handle a large amount of data traffic. Additionally, the module can be used with other Cisco high-availability features such as redundancy, load balancing, and failover, to provide even higher levels of availability.

Quality Components

The NM-1A-OC3-POM Cisco ATM Single POM SFP Slot Module is designed with quality components to provide reliable and stable performance in networking environments.

The module uses SFP transceivers, which are small, modular devices that can transmit and receive optical signals over a single fiber. These transceivers are known for their high performance and reliability. They are also hot-swappable, which means they can be replaced without disrupting the network.

The module also uses OC3 (Optical Carrier level 3) ATM technology, which is a high-speed, reliable technology that can handle a large amount of data traffic. This technology is designed to provide stable and consistent performance in even the most demanding networking environments.

Additionally, the module is manufactured by Cisco, a well-known and reputable company in the networking industry. Cisco is known for producing high-quality products with rigorous testing and quality control processes.

• Manufacturer: Cisco
• Model Number or SKU# NM-1A-OC3-POMf
• Product Name: ATM OC-3 Network Module
• Product Type: Network Module

• Maximum Data Transfer Rate: 155.52
• Media Type Supported: Optical Fiber
• Number of Total Expansion Slots: 1
• Total Number of Ports: 1
• Expansion Slot Type: SFP
• Connector Type: LC
• Interfaces/Ports Details: 1 x LC OC-3

• Connectivity Technology: Wired
• Data Link Protocol: ATM
• Network/Transport Protocol: AAL5
• Line Rate: OC-3c/STM-1
• Status Indicators: Alarm, transmit, receive

Designed For:

• Cisco 3825 series: Various bundles including Branch Office, HVSEC, Integrated VoiceVideo, IP Video Surveillance, Secure WAN Optimization, Security, SRST Voice Upgrades, Unified Communications, V3PN, Video Encoding, Voice, Voice Security, VSEC, WAN Application Acceleration, WAN Optimization.
• Cisco 3845 series: Various bundles including Branch Office, HVSEC, ISR IP Video Surveillance, Secure WAN Optimization, Security, Unified Communications, V3PN, Video Encoding, Voice, Voice Security, VSEC, WAN Application Acceleration, WAN Optimization.
• Cisco 3925 series: Various bundles including PSRE, Security, SRE, Voice, Voice Security and CUBE, Voice Security, WAAS.
• Cisco 3925E series: Various bundles including Security, SRE, Voice, Voice Security, and CUBE, Voice Security.

• Compliant Standards: CISPR 22 Class A, EN 60950, EN 61000-3-2, VCCI Class A ITE, EN 61000-3-3, EN55024, EN55022 Class A, UL 60950, EN50082-1, CSA 22.2 No. 60950, AS/NZS 60950-1, ICES-003 Class A, EN 300 386

• Min Operating Temperature: 32 °F
• Max Operating Temperature: 104 °F
• Humidity Range Operating: 5% - 95%

In general, the NM-1A-OC3-POM Cisco ATM OC-3 Network Module is a powerful and versatile networking component designed to meet the demands of high-performance data transmission. Its use of optical technology, ATM capabilities, scalability, and hot-swappable design make it a valuable addition to Cisco routers in various networking scenarios. Understanding its features, installation process, and potential applications is crucial for network administrators and professionals aiming to optimize their network infrastructure.

By providing a comprehensive overview in Simple English, this guide aims to demystify the NM-1A-OC3-POM and empower readers with the knowledge needed to make informed decisions regarding network expansion and optimization. Whether you're a seasoned IT professional or someone exploring the world of networking, the NM-1A-OC3-POM represents a key player in the realm of high-speed data connectivity.