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Cisco VG400-4FXS/4FXO Analog Voice Gateway - 4 FXS & 4 FXO Ports - Gigabit Ethernet - Desktop VoIP Gateway
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Product Features
Technical Overview
The VG400 delivers a balanced port configuration with four FXS ports for connecting analog devices like phones or fax machines and four FXO ports for linking to public switched telephone network lines. This symmetrical design supports flexible deployment scenarios, allowing simultaneous inbound and outbound analog call handling.
Network connectivity is handled through a Gigabit Ethernet interface compliant with the 1000Base-T standard, providing ample bandwidth for voice traffic and management functions. The inclusion of a USB port offers additional configuration and maintenance options, while the compact chassis is engineered for stable desktop operation in office environments.
Relevant factors for this section include USB, Number of FXS (RJ-11) Ports, Number of FXO (RJ-11) Ports, Ethernet Technology. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This gateway simplifies the transition to VoIP by preserving analog investments while introducing IP-based voice capabilities. The straightforward port layout reduces configuration complexity, and the desktop design eliminates the need for rack mounting in smaller deployments.
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 Dual-Port Flexibility, High-Speed Backbone.
Dual-Port Flexibility
The equal number of FXS and FXO ports enables versatile analog connectivity, supporting both device attachment and PSTN integration within a single compact unit.
High-Speed Backbone
Gigabit Ethernet ensures voice packets are transmitted with minimal delay, maintaining call quality even during periods of concurrent data traffic on the network.
Deployment / Use Cases
The VG400 is well-suited for small offices, retail locations, or branch sites that require a cost-effective bridge between analog telephony assets and modern VoIP systems. Its desktop form factor makes it ideal for environments where rack space is limited or where the gateway needs to be placed near existing analog equipment.
Common deployment scenarios include integrating analog fax machines into unified communications platforms, providing PSTN backup for VoIP systems, or enabling analog phones in areas where IP phones are not practical. The gateway's straightforward configuration supports rapid deployment with minimal network disruption.
Analog Device Integration
Connect legacy fax machines, analog phones, or alarm systems to a VoIP network, extending their functionality without requiring immediate hardware replacement.
PSTN Gateway
Use the FXO ports to maintain inbound and outbound PSTN connectivity for failover, emergency calling, or hybrid telephony setups that blend IP and traditional lines.
Physical Profile
Designed for desktop placement, the VG400 measures 12.70 inches wide by 10 inches deep by 1.72 inches high, with a weight of approximately 6.75 pounds. This compact footprint allows the gateway to fit comfortably on a desk, shelf, or equipment table without occupying significant space.
The low-profile chassis features a durable construction suitable for office environments, with front-accessible ports for easy cable management. The modest height and weight contribute to stable operation without requiring specialized mounting hardware.
- Width
- 12.70" (322.58 mm)
- Depth
- 10" (254 mm)
- Height
- 1.72" (43.69 mm)
- Weight
- 6.75 lb (3061.75 g)
Highlights
- 4 FXS ports for analog device connectivity
- 4 FXO ports for PSTN line integration
- Gigabit Ethernet with 1000Base-T compliance
- USB port for configuration and maintenance
- Compact desktop form factor
- Dimensions: 12.70" W × 10" D × 1.72" H
- Weight: 6.75 lb for stable placement
- 10-day limited warranty coverage
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | VG400-4FXS/4FXO |
| Brand Name | Cisco |
| Product Model | VG400 |
| Product Name | VG400 Analog Voice Gateway with 4 FXS and 4 FXO |
| Product Type | VoIP Gateway |
| Interfaces/Ports | |
| USB | Yes |
| Number of FXS (RJ-11) Ports | 4 |
| Number of FXO (RJ-11) Ports | 4 |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Network Standard | 1000Base-T |
| Physical Characteristics | |
| Height | 1.72" (43.69 mm) |
| Width | 12.70" (322.58 mm) |
| Depth | 10" (254 mm) |
| Weight (Approximate) | 6.75 lb (3061.75 g) |
| Miscellaneous | |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | 10 Day |
FAQ
What is the purpose of the FXS and FXO ports on this gateway?
The FXS ports connect analog devices like telephones or fax machines to the VoIP network, providing dial tone and call handling. The FXO ports link to traditional PSTN lines, allowing the gateway to interface with public telephone networks for inbound/outbound calls. This dual-port configuration supports hybrid telephony setups.
What network speed does the Cisco VG400 support?
The VG400 features Gigabit Ethernet connectivity compliant with the 1000Base-T standard. This provides sufficient bandwidth for high-quality voice transmission while accommodating management traffic and potential data coexistence on the same network segment.
Is this gateway suitable for desktop deployment?
Yes, the VG400 is designed as a desktop-form-factor device with dimensions of 12.70 inches wide, 10 inches deep, and 1.72 inches high. Its compact size and 6.75-pound weight make it stable for placement on desks, shelves, or equipment tables without requiring rack mounting.
How many analog devices can I connect to the VG400?
You can connect up to four analog devices directly to the FXS ports, such as telephones or fax machines. Additionally, the four FXO ports support connection to PSTN lines, enabling the gateway to handle both device attachment and external line interfaces simultaneously.
Does the VG400 include a USB port, and what is its function?
Yes, the gateway includes a USB port that supports configuration, firmware updates, and maintenance tasks. This provides an alternative management interface alongside network-based administration, offering flexibility for setup and troubleshooting.
What warranty coverage is provided with this product?
The Cisco VG400 comes with a 10-day limited warranty. This coverage period applies from the date of purchase and includes manufacturer support for defects in materials or workmanship under normal use conditions.
| Qty | Price | Available |
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