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3Com 3CRVG52001-07 4 x FXO Ports Expansion Module
- Module Type: Expansion Module
- Port Type: FXO (Foreign Exchange Office)
- Number of Ports: 4
- Function: Connects to PSTN or analog telephony lines
- Application: Voice gateway, telephony integration
- Compatibility: Designed for specific 3Com voice/telephony platforms
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Product Overview
The 3Com 3CRVG52001-07 is an FXO Ports Expansion Module. It provides four Foreign Exchange Office (FXO) ports, typically used for connecting to the public switched telephone network (PSTN) or other telephony interfaces.
Technical Information
| Product Type | Expansion Module |
| Port Type | FXO |
Additional Specifications
| Number of Ports | 4 |
| Interface | Analog Telephony |
Product Description
The 3Com 3CRVG52001-07 is a specialized expansion module that equips compatible 3Com voice or telephony systems with four Foreign Exchange Office (FXO) ports. An FXO port is designed to connect directly to the Public Switched Telephone Network (PSTN) or other analog telephone lines, essentially acting as a telephone company's central office (CO) line connection. This module enables devices like IP PBXs or voice gateways to interface with traditional analog phone lines. This capability is essential for functionalities such as making and receiving calls over the PSTN, integrating with legacy telephony infrastructure, or providing failover connectivity in case of IP network disruptions. The four ports offer a degree of redundancy and capacity for handling multiple simultaneous analog calls. The 3CRVG52001-07 is a key component for businesses looking to bridge the gap between modern digital communication systems and traditional analog telephony. It allows for flexible voice routing, PSTN fallback, and integration with existing analog phone services, making it a valuable addition to voice communication solutions.


