About the product
Technical Specifications
| Miscellaneous | |
| Compatibility | Cisco 4451-X Integrated Services Routers |
| Technical Information | |
| Application/Usage | Voice |
| Interfaces/Ports | |
| Interfaces/Ports Details | 4 x FXO Network |
| Total Number of Ports | 4 |
| General Information | |
| Product Type | Voice Interface Card (VIC) |
| Manufacturer Part Number | NIM-4FXO= |
| Manufacturer Website Address | http://www.cisco.com |
| Manufacturer | Cisco Systems, Inc |
| Product Name | Voice Interface Card (VIC) |
| Brand Name | Cisco |
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