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Cisco NIM-16A-RF 16-Port Async Serial Network Interface Module - Plug-in Module for Data Networking - 16 x Asynchronous RS-232 WAN
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Product Features
Technical Overview
This network interface module features 16 asynchronous RS-232 WAN ports configured for data networking applications. The plug-in module design integrates seamlessly with Cisco 4000 Series routers, providing hardware-level serial interface support with reliable performance characteristics.
The module operates within standard environmental specifications for enterprise networking equipment and maintains compatibility with serial communication protocols commonly used in industrial, financial, and telecommunications environments.
This section brings together practical product details such as Application/Usage, Total Number of Ports, Interfaces/Ports Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The Cisco NIM-16A-RF delivers concentrated serial port expansion in a single module slot, optimizing router interface density while maintaining system reliability. This solution eliminates the need for external serial concentrators, reducing cable complexity and potential failure points in network architecture.
High-Density Serial Connectivity
Provides 16 dedicated RS-232 ports in one module slot, maximizing port density within constrained router chassis space.
- Consolidates serial device connections
- Reduces external equipment requirements
- Maintains system cooling efficiency
Seamless Router Integration
Designed specifically for Cisco 4000 Series routers, ensuring full hardware and software compatibility without configuration conflicts.
- Direct slot installation
- Native IOS support
- Consistent management interface
Deployment / Use Cases
This serial interface module supports legacy device connectivity in modern network infrastructures, bridging traditional serial equipment with contemporary IP-based networks. Typical deployments include financial transaction systems, industrial control networks, telecommunications backhaul connections, and point-of-sale terminal aggregation.
Network administrators utilize this module to maintain existing serial device investments while transitioning to newer routing platforms. The asynchronous RS-232 interfaces accommodate various serial communication requirements, from simple terminal connections to more complex serial tunneling applications across WAN links.
Legacy System Integration
Enables continued operation of serial-based equipment during network modernization projects, protecting existing hardware investments.
Branch Office Consolidation
Centralizes multiple serial device connections at remote locations, reducing equipment sprawl and simplifying management.
Physical Profile
The module measures 1.25 inches in height, 3.50 inches in width, and 6.70 inches in depth, designed to fit standard NIM slots in compatible Cisco routers. This compact form factor maximizes port density while maintaining proper airflow within the router chassis. The plug-in module design ensures secure installation and reliable electrical connections without external cabling between the module and router backplane.
- Width
- 3.50" (88.90 mm)
- Depth
- 6.70" (170.18 mm)
- Height
- 1.25" (31.75 mm)
Highlights
- 16 asynchronous RS-232 WAN ports for data networking
- Plug-in module form factor for direct router integration
- Compatible with Cisco 4000 Series Integrated Services Routers
- Compact dimensions: 1.25" H × 3.50" W × 6.70" D
- Supports legacy serial device connectivity
- 90-day limited warranty coverage
- Enterprise-grade construction and reliability
- Simplifies serial network architecture
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | NIM-16A-RF |
| Brand Name | Cisco |
| Product Name | 16-Port Async Serial NIM |
| Product Type | Interface Module |
| Technical Information | |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 16 |
| Interfaces/Ports Details | 16 x Asynchronous RS-232 WAN |
| Physical Characteristics | |
| Form Factor | Plug-in Module |
| Height | 1.25" (31.75 mm) |
| Width | 3.50" (88.90 mm) |
| Depth | 6.70" (170.18 mm) |
| Miscellaneous | |
| Compatibility | Cisco 4000 Series Integrated Services Routers: 4221 4321 4331 4351 4431 4451 |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
Which Cisco routers are compatible with the NIM-16A-RF module?
The NIM-16A-RF is specifically designed for Cisco 4000 Series Integrated Services Routers, including models 4221, 4321, 4331, 4351, 4431, and 4451. This compatibility ensures proper physical fit, electrical interface alignment, and software support within Cisco's IOS environment for reliable operation.
What type of serial interfaces does this module provide?
This module provides 16 asynchronous RS-232 WAN ports configured for data networking applications. The RS-232 standard supports traditional serial communication protocols commonly used with legacy networking equipment, terminal servers, industrial devices, and financial transaction systems requiring serial connectivity.
How does the plug-in module form factor benefit installation?
The plug-in module design installs directly into compatible NIM slots on Cisco 4000 Series routers, eliminating external cabling between the module and router backplane. This integrated approach reduces potential connection points, maintains proper chassis airflow, and provides a more reliable electrical interface compared to external serial concentrators.
What warranty coverage applies to this interface module?
Cisco provides a 90-day limited warranty for the NIM-16A-RF module, covering manufacturing defects and material/workmanship issues during normal use. This warranty period offers basic protection for enterprise deployments, with support available through Cisco's standard warranty channels for qualifying claims.
| Qty | Price | Available |
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