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Cisco NIM-2FXS/4FXOP 2-Port FXS/FXS-E/DID + 4-Port FXO Voice Interface Card for 4000 Series Routers
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Product Features
Technical Overview
This Voice Interface Card features six total ports, configured as two FXS/DID ports and four FXO ports. The FXS ports support Foreign Exchange Station connections for end-user devices, while the FXO ports handle Foreign Exchange Office connections for trunk lines to PSTN or central office switches.
The module is hot-swappable and designed for easy installation in Cisco 4000 Series routers, requiring no external power beyond the router's supply. It operates within standard environmental conditions typical for networking hardware and includes built-in signaling support for standard analog voice protocols.
Key Product Advantages
The NIM-2FXS/4FXOP delivers practical advantages for voice network deployments by combining multiple interface types in a single module. This consolidation reduces hardware complexity and simplifies cabling while maintaining compatibility with legacy analog equipment.
Flexible Port Mix
The 2+4 port configuration supports both subscriber and trunk connections, allowing versatile deployment scenarios from small office setups to larger branch configurations.
- 2 FXS/DID for end devices
- 4 FXO for trunk lines
- Balanced for mixed environments
Seamless Integration
Designed specifically for Cisco 4000 Series routers, this module integrates directly into the router's architecture, leveraging existing management and power infrastructure.
- No external power required
- Unified management through router
- Maintains router form factor
Deployment / Use Cases
This voice interface card is ideal for organizations transitioning from traditional telephony to IP-based solutions while maintaining analog connectivity. It serves as a bridge between legacy equipment and modern VoIP networks, preserving investments in existing analog devices.
Common deployment scenarios include connecting analog phones and fax machines in remote offices, providing PSTN gateway functionality for VoIP systems, and enabling DID services for direct inward dialing applications. The module is particularly valuable in mixed environments where both analog and digital voice services must coexist.
Branch Office Connectivity
Deploy in branch routers to connect analog devices while maintaining centralized IP telephony management across the organization.
PSTN Gateway
Use the FXO ports to establish trunk connections to public telephone networks, providing fallback or primary PSTN access for VoIP systems.
Physical Profile
The module weighs approximately 8.32 ounces (235.87 grams), making it lightweight yet robust enough for reliable operation in router environments. Its compact design ensures it fits within standard router slots without requiring additional rack space or special mounting considerations.
- Weight
- 8.32 oz (235.87 g)
Highlights
- 2 FXS/DID ports for subscriber line connections
- 4 FXO ports for trunk line connectivity
- Compatible with Cisco 4000 Series Integrated Services Routers
- Hot-swappable design for easy installation and maintenance
- Supports standard analog telephony signaling
- No external power required - integrates with router power
- 90-day limited warranty for peace of mind
- Lightweight at 8.32 oz (235.87 g) for minimal impact on router
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | NIM-2FXS/4FXOP |
| Brand Name | Cisco |
| Product Name | 2-Port FXS/FXS-E/DID and 4-Port FXO Network Interface Module |
| Product Type | Voice Interface Card (VIC) |
| Technical Information | |
| Application/Usage | Voice |
| Interfaces/Ports | |
| Total Number of Ports | 6 |
| Interfaces/Ports Details | 2 x FXS/DID Network,4 x FXO Network |
| Physical Characteristics | |
| Weight (Approximate) | 8.32 oz (235.87 g) |
| Miscellaneous | |
| Compatibility | Cisco 4000 Series Integrated Services Routers |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 90 Day |
FAQ
What routers are compatible with the NIM-2FXS/4FXOP module?
This voice interface card is specifically designed for Cisco 4000 Series Integrated Services Routers. It integrates directly into compatible router slots, leveraging the router's power and management infrastructure. The module is not compatible with other Cisco router series or third-party networking equipment.
What is the difference between FXS and FXO ports on this module?
The module includes two types of ports: FXS (Foreign Exchange Station) and FXO (Foreign Exchange Office). The two FXS/DID ports connect to end-user devices like analog telephones, fax machines, or modems. The four FXO ports connect to trunk lines, typically to PSTN networks or central office switches. This combination allows both subscriber and trunk connections from a single module.
Does this module require external power or special cabling?
No external power supply is needed. The module draws power directly from the Cisco 4000 Series router it's installed in. It uses standard RJ-11 connectors for analog telephone connections, compatible with typical voice-grade cabling. Installation involves inserting the module into an available router slot and connecting the analog devices using standard telephone cables.
What warranty coverage does this voice interface card include?
The Cisco NIM-2FXS/4FXOP comes with a 90-day limited warranty. This coverage applies to defects in materials and workmanship under normal use conditions. Warranty service typically involves repair or replacement of the module, though specific terms may vary based on purchase channel and regional regulations.
| Qty | Price | Available |
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