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Grandstream GXW4216 High-Density 16-Port FXS Analog VoIP Gateway - Gigabit Ethernet - Rack/Desktop
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Product Features
Technical Overview
The GXW4216 delivers professional VoIP gateway functionality with 16 FXS ports using RJ-11 connectors and a single Gigabit Ethernet RJ-45 port for network uplink. It operates on standard 10/100/1000Base-T networks, providing full-duplex voice traffic without bottlenecks.
This gateway does not include Power over Ethernet (PoE) support, USB ports, or a dedicated management port. It relies on standard Ethernet connectivity for both data and management functions. The device supports standard SIP protocols for seamless integration with most VoIP PBX systems and service providers.
Relevant factors for this section include PoE (RJ-45) Port, USB, Management Port, SIM Card Supported. 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.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The GXW4216 offers straightforward analog-to-VoIP conversion with high port density in a single compact unit. Its dual deployment flexibility allows IT managers to choose between rack-mounted centralization or desktop placement near analog device clusters.
High Port Density
Sixteen FXS ports provide substantial analog device capacity without requiring multiple smaller gateways, reducing hardware sprawl and management overhead.
- Supports up to 16 analog devices
- Consolidates multiple connections
- Reduces equipment footprint
Gigabit Network Ready
Full Gigabit Ethernet ensures voice traffic never contends with data bottlenecks, maintaining call quality even during peak network usage periods.
- 10/100/1000Base-T compatibility
- Future-proof network connectivity
- Minimal latency for voice packets
Deployment / Use Cases
The GXW4216 serves organizations transitioning from traditional analog phone systems to VoIP while preserving existing analog device investments. Its 16-port capacity makes it ideal for small to medium offices, retail locations, or healthcare facilities with multiple analog lines.
Common deployment scenarios include connecting legacy analog phones in reception areas, connecting fax machines for document transmission, integrating analog door phones or intercom systems, and providing failover analog lines during network outages. The rack-mountable option suits centralized telecom rooms, while desktop placement works well for department-specific analog device clusters.
Analog Phone Migration
Enable existing analog telephones to function on modern VoIP networks without replacing handsets, protecting hardware investments during digital transformation.
Multi-Device Support
Connect various analog devices simultaneously, including telephones, fax machines, modems, and alarm systems, through a single gateway unit.
Physical Profile
The GXW4216 features a compact metal chassis measuring 1.73 inches in height, 7.28 inches in width, and 17.32 inches in depth, making it suitable for standard 19-inch rack mounting with included brackets. At 2.39 kilograms, it maintains a lightweight profile for easy installation in telecom racks or on desktop surfaces.
The front panel includes status LEDs for power, network activity, and port status, while the rear panel houses all RJ-11 and RJ-45 connections. The unit's RoHS compliance ensures environmentally responsible manufacturing with restricted hazardous substances.
- Width
- 7.28" (185 mm)
- Depth
- 17.32" (440 mm)
- Height
- 1.73" (44 mm)
- Weight
- 2.39 kg
Highlights
- 16 FXS ports for analog device connectivity
- Gigabit Ethernet with 10/100/1000Base-T support
- Rack-mountable 1U form factor with desktop option
- Compact dimensions: 1.73" H × 7.28" W × 17.32" D
- Standard SIP protocol compatibility
- No PoE required - uses standard power adapter
- RoHS compliant for environmental safety
- Supports analog phones, fax machines, and modems
Specifications
| Specifications | |
|---|---|
| Manufacturer | Grandstream Networks, Inc |
| Manufacturer Part Number | GXW4216 |
| Brand Name | Grandstream |
| Product Series | GXW42xx |
| Product Model | GXW4216 |
| Product Name | High Density FXS Analog VoIP Gateway |
| Product Type | VoIP Gateway |
| Interfaces/Ports | |
| PoE (RJ-45) Port | No |
| USB | No |
| Management Port | No |
| Number of Network (RJ-45) Ports | 1 |
| Number of FXS (RJ-11) Ports | 16 |
| I/O Expansions | |
| SIM Card Supported | No |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Network Standard | 10/100/1000Base-T |
| Wireless Specifications | |
| Wireless LAN | No |
| Physical Characteristics | |
| Form Factor | Rack-mountable,Desktop |
| Height | 1.73" (44 mm) |
| Width | 7.28" (185 mm) |
| Depth | 17.32" (440 mm) |
| Weight (Approximate) | 2.39 kg |
| Miscellaneous | |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
FAQ
How many analog phones can the GXW4216 support?
The GXW4216 provides 16 FXS ports, each capable of supporting one analog telephone, fax machine, modem, or other analog device. This allows connection of up to 16 separate analog devices simultaneously through a single gateway unit.
Does this VoIP gateway support Power over Ethernet?
No, the GXW4216 does not include Power over Ethernet (PoE) capability. It requires connection to a standard AC power outlet using the included power adapter for operation. The Ethernet port is dedicated to data connectivity only.
What network speeds does the GXW4216 support?
The gateway features Gigabit Ethernet connectivity with full 10/100/1000Base-T compatibility. This ensures high-speed network performance for voice traffic while maintaining backward compatibility with older 10/100 Mbps network infrastructure.
Can the GXW4216 be rack-mounted?
Yes, the GXW4216 is designed for both rack-mount and desktop deployment. Its 1U height (1.73 inches) and standard 19-inch width make it compatible with most telecom and server racks. The unit includes mounting hardware for secure rack installation.
What VoIP protocols does this gateway support?
The GXW4216 supports standard SIP (Session Initiation Protocol) for VoIP communication, ensuring compatibility with most VoIP PBX systems, service providers, and call management platforms. This allows seamless integration into existing VoIP networks.
What is the environmental compliance of this product?
The GXW4216 is RoHS (Restriction of Hazardous Substances) compliant, meaning it meets European environmental standards by limiting specific hazardous materials in its construction. This makes it suitable for organizations with environmental responsibility requirements.
| Qty | Price | Available |
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