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Cisco NIM-4FXO= Voice Interface Card (VIC) - 4 x FXO Network Ports for 4451-X Routers
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Product Features
Technical Overview
This VIC module delivers four FXO network ports, which are essential for connecting to analog telephone lines or PBX systems. The FXO interface handles incoming and outgoing analog signals, facilitating trunk connections in voice networks.
The card is engineered for the Cisco 4451-X Integrated Services Router platform, ensuring hardware compatibility and optimized performance. It operates as a dedicated voice resource, offloading voice processing from the router's main CPU.
Key Product Advantages
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Analog Connectivity, Platform-Specific Design.
Analog Connectivity
Enables integration with existing analog telephony infrastructure through four FXO ports, supporting legacy systems and hybrid deployments.
- Four FXO network ports
- Analog trunk support
- Legacy system compatibility
Platform-Specific Design
Built exclusively for Cisco 4451-X routers, ensuring reliable performance, simplified installation, and full compatibility with Cisco's voice software features.
Deployment / Use Cases
This VIC is ideal for businesses upgrading their voice networks while maintaining analog connections. It supports scenarios where analog trunks are required for PSTN lines, fax machines, or legacy PBX systems.
Common deployments include branch offices using Cisco 4451-X routers that need to integrate analog voice services, hybrid environments mixing IP and analog telephony, and organizations preserving analog lines for compliance or continuity.
Branch Office Voice
Deploy in Cisco 4451-X routers at remote sites to connect analog phone lines, enabling cost-effective voice services without full IP migration.
Hybrid Telephony Systems
Use to bridge analog and IP voice networks, allowing gradual transition to VoIP while maintaining critical analog connections.
Highlights
- Cisco Voice Interface Card (VIC) with part number NIM-4FXO=
- Four FXO network ports for analog trunk connectivity
- Designed for Cisco 4451-X Integrated Services Routers
- Supports voice applications and hybrid telephony
- Hardware module for expanding router voice capabilities
- Enables integration with analog telephone systems
- Dedicated voice processing resource
- Compatible with Cisco's voice software features
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | NIM-4FXO= |
| Brand Name | Cisco |
| Product Name | Voice Interface Card (VIC) |
| Product Type | Voice Interface Card (VIC) |
| Technical Information | |
| Application/Usage | Voice |
| Interfaces/Ports | |
| Total Number of Ports | 4 |
| Interfaces/Ports Details | 4 x FXO Network |
| Miscellaneous | |
| Compatibility | Cisco 4451-X Integrated Services Routers |
FAQ
What is the primary function of the Cisco NIM-4FXO= Voice Interface Card?
The Cisco NIM-4FXO= Voice Interface Card provides four FXO network ports to connect Cisco 4451-X routers to analog telephone lines or PBX systems. It enables analog trunk connectivity for voice traffic, supporting hybrid networks that combine analog and digital telephony.
Which Cisco routers are compatible with this VIC module?
This VIC is specifically designed for the Cisco 4451-X Integrated Services Routers. It integrates directly into these routers to expand their voice capabilities, ensuring hardware compatibility and optimized performance for voice applications.
How many FXO ports does this card offer, and what are they used for?
The card offers four FXO network ports. These ports are used to connect to analog telephone lines, enabling incoming and outgoing analog voice signals. This supports trunk connections for PSTN lines, fax machines, or legacy PBX systems in voice networks.
| Qty | Price | Available |
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