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Sangoma 310-935 Dialogic D4PCIUFEQ Voice Board - PCI Express x Phone Line (RJ-11) - 2 x 80C186 Processors - TAA & RoHS Compliant
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Product Features
Technical Overview
This voice board is built around dual 80C186 processors running at 34.80 MHz, providing dedicated processing power for real-time voice signal handling and telephony protocols. The hardware supports G.726 and GSM voice codecs, ensuring compatibility with common compression standards for efficient bandwidth usage and clear audio quality.
The PCI Express host interface offers a high-bandwidth connection to the system motherboard, facilitating low-latency data transfer between the voice board and host software. An integrated RJ-11 port provides direct connectivity to standard analog phone lines, supporting traditional PSTN or analog extensions.
This section brings together practical product details such as Number of Processors, Processor Model, Processor Speed, Voice Codec, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The D4PCIUFEQ combines legacy telephony support with modern system integration, offering a reliable bridge for businesses transitioning or maintaining hybrid communication setups. Its dedicated processing hardware ensures stable performance without taxing the host CPU, while compliance certifications provide assurance for regulated deployments.
Dedicated Telephony Processing
Dual 80C186 processors handle voice signaling and codec operations independently, freeing host system resources for other tasks and ensuring consistent call quality.
- Real-time voice processing
- Reduced host CPU load
- Stable performance under load
Compliance and Reliability
TAA compliance meets government procurement requirements, while RoHS certification ensures environmentally responsible manufacturing and long-term reliability.
- Meets TAA procurement standards
- RoHS-compliant components
- 3-year limited warranty
Deployment / Use Cases
This voice board is ideal for enterprises and service providers needing to integrate analog phone lines into IP-based telephony systems, legacy PBX modernization, or specialized telephony applications. Its PCIe interface makes it suitable for deployment in standard servers, workstations, or dedicated telephony hardware platforms.
Common use cases include connecting traditional fax machines or analog phones to VoIP systems, providing fallback PSTN lines for critical communications, and enabling legacy telephony equipment in digital environments. The board's compact dimensions allow installation in space-constrained chassis while maintaining full functionality.
Legacy System Integration
Connect analog phones, fax machines, or modems to modern IP-PBX or unified communications platforms, extending the life of existing equipment.
- Analog to digital bridging
- Fax-over-IP support
- Legacy device compatibility
Telephony Server Expansion
Add analog line capacity to telephony servers for call centers, IVR systems, or disaster recovery setups requiring PSTN connectivity.
- Server-based telephony
- Call center applications
- Disaster recovery lines
Physical Profile
The board features a compact design measuring 3.85 inches in height and 0.75 inches in width, fitting standard PCI Express slots in most server and workstation chassis. Its low-profile form factor minimizes space consumption while providing full telephony functionality, with the RJ-11 port conveniently accessible from the rear bracket for straightforward cable management.
- Width
- 0.75" (19.05 mm)
- Height
- 3.85" (97.79 mm)
Highlights
- PCI Express host interface for high-bandwidth system integration
- RJ-11 phone line port for analog telephony connectivity
- Dual 80C186 processors at 34.80 MHz for dedicated voice processing
- G.726 and GSM voice codec support for compressed audio transmission
- TAA compliant for government and regulated procurement
- RoHS environmental compliance for responsible manufacturing
- 3-year limited warranty for long-term reliability assurance
- Compact dimensions (3.85" H x 0.75" W) for space-efficient installation
Specifications
| Specifications | |
|---|---|
| Manufacturer | Sangoma Technologies Corporation |
| Manufacturer Part Number | 310-935 |
| Brand Name | Sangoma |
| Product Line | Dialogic |
| Product Model | D4PCIUFEQ |
| Product Name | Dialogic D4PCIUFEQ Voice Board |
| Product Type | Voice Board |
| Processor & Chipset | |
| Number of Processors | 2 |
| Processor Model | 80C186 |
| Processor Speed | 34.80 MHz |
| Management & Protocols | |
| Voice Codec | G.726,GSM |
| Interfaces/Ports | |
| Host Interface | PCI Express |
| Phone Line (RJ-11) | Yes |
| Physical Characteristics | |
| Height | 3.85" (97.79 mm) |
| Width | 0.75" (19.05 mm) |
| Miscellaneous | |
| TAA Compliant | Yes |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) |
| Warranty | |
| Limited Warranty | 3 Year |
FAQ
What type of telephony connectivity does this voice board provide?
The Sangoma Dialogic D4PCIUFEQ Voice Board provides analog telephony connectivity through a standard RJ-11 port, allowing direct connection to traditional phone lines, analog phones, fax machines, or modems. This enables integration of legacy analog devices into digital telephony systems or provides PSTN connectivity for VoIP deployments.
What host interface does this board use for system integration?
This voice board uses a PCI Express (PCIe) host interface, providing a high-bandwidth connection to compatible server or workstation motherboards. The PCIe interface ensures low-latency communication between the voice processing hardware and host software, supporting real-time telephony applications without performance bottlenecks.
What voice codecs are supported by this hardware?
The board supports G.726 and GSM voice codecs, which are widely used standards for compressed audio transmission in telephony systems. G.726 provides efficient bandwidth usage for voice calls, while GSM compression is common in mobile and international telephony, ensuring compatibility with various telephony environments and clear audio quality.
What processing hardware does this voice board include?
The D4PCIUFEQ includes dual 80C186 processors running at 34.80 MHz, providing dedicated processing power for voice signaling, codec operations, and telephony protocol handling. This dedicated hardware architecture ensures consistent performance for real-time voice applications without taxing the host system's main CPU resources.
What compliance certifications does this product have?
This voice board is TAA (Trade Agreements Act) compliant, meeting requirements for government and regulated procurement in applicable regions. It also complies with RoHS (Restriction of Hazardous Substances) environmental standards, ensuring responsible manufacturing practices and reduced environmental impact from hazardous materials.
What are the physical dimensions of this voice board?
The board measures 3.85 inches in height (97.79 mm) and 0.75 inches in width (19.05 mm), featuring a compact form factor that fits standard PCI Express slots in most server and workstation chassis. These dimensions allow installation in space-constrained environments while maintaining full telephony functionality.