Manufacturer | Cisco |
Product Name | Cisco VIC2-4FXO 4-Port FXO Voice Interface Card |
Product Type | Voice Interface Card |
Form Factor | Internal |
Power Requirements | Supplied by host router |
Weight | 0.3 lb (approx.) |
Mounting Type | Plug-in module |
MTBF | 1,245,152 hour(s) |
Connectivity Technology | Wired |
Compatible Slots | 1 x expansion slot |
Cisco VIC2-4FXO 4-Port FXO Voice Interface Card



Key Benefits

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- Enables reliable analog voice integration using FXO ports across a broad range of Cisco routers
- High durability with over 1.2 million hours MTBF supports long-term deployment planning
- Meets TAA compliance and major certifications, suitable for government and regulated industries
Product Overview
The Cisco VIC2-4FXO is a high-efficiency voice interface card that offers four FXO analog ports, enabling seamless voice and fax signal processing in enterprise IP telephony environments. Designed for versatility, this internal expansion module supports a wide range of Cisco router models and facilitates analog connectivity via RJ-11 interfaces. The module integrates with Cisco IOS software versions including 12.3(11)T and 15.0(1)M.
With a Mean Time Between Failures (MTBF) exceeding 1.2 million hours and compliance with FCC Class B and UL 1950, the card ensures reliability and standards adherence. It supports TAA compliance and operates within commercial environmental limits. Ideal for branch offices and mid-sized enterprises, the VIC2-4FXO delivers robust analog voice integration to support mission-critical communications.
Specifications
Product Overview
Physical & Environmental
Min Operating Temperature | 32 °F (0 °C) |
Max Operating Temperature | 104 °F (40 °C) |
Operating Humidity Range | 5% - 85% (non-condensing) |
Dimensions (W x D x H) | Approx. 7 in x 6 in x 1 in |
Storage Temperature Range | Not specified |
Cloud Management & Licensing
Supported Cisco IOS Versions | 12.3(11)T, 12.3(8)T4, 15.0(1)M |
Cisco IOS Requirement | Yes |
Management Interface | Managed via Cisco Router with IOS |
Licensing Requirement | Cisco router licensing may apply |
Cloud Management Support | No |
Compatibility
Supported Platforms | Cisco 1700, 2600, 2800, 2900, 3600, 3700, 3800, 3900 Series Routers; Cisco ICS 7750 |
Interfaces
Analog Ports Quantity | 4 |
Port Type | FXO (Foreign Exchange Office) |
Connector Type | RJ-11 |
Interface Ports | 4 x FXO RJ-11 analog ports |
Data Transmission Type | Voice and Fax |
Voice/Fax Interface | Analog FXO |
ISDN Interface | FXO |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
Compliance Standards | FCC Class B, UL 1950 |
RoHS Compliance | Not specified |
WEEE Compliance | Not specified |
Advanced Security Features
Firewall Support | Via host router |
Voice Security Features | Supported through IOS on router |
Malware/Content Filtering | Not included |
Encryption Support | Depends on host router configuration |