Cisco PVDM4-64 512MB DSP Module - Green
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Product Information
Full details
The Cisco PVDM4-64 is a high-density voice Digital Signal Processor Module (DSPM) designed for Cisco Unified Communications solutions. It is ideal for businesses requiring robust voice capabilities, offering universal transcoding and advanced voice-quality management features like echo cancellation and jitter management. A potential consideration is its specific compatibility with certain Cisco ISR models.
All features
| Colour | Green |
|---|---|
| Model Part Number | PVDM4-64= |
| Brand | Cisco |
Extended Product Information
FAQs
What is the primary function of the Cisco PVDM4-64?
The Cisco PVDM4-64 is a voice Digital Signal Processor Module that enables rich-media capabilities for Cisco Unified Communications solutions, including transcoding, voice-quality management, and conferencing.
What is universal transcoding?
Universal transcoding allows the module to convert any supported voice codec to any other supported voice codec, ensuring seamless communication between different systems.
How much power does the PVDM4-64 save in energy-saving mode?
The PVDM4-64 can save up to 5 watts of power when it is not in use.
What are the dimensions of the PVDM4-64 module?
The module measures 51 mm in width, 67 mm in depth, and 17 mm in height.
What Cisco routers are compatible with the PVDM4-64?
It is compatible with Cisco 4331, Cisco 4351, and Cisco 4451 Integrated Services Routers (ISRs).
Does this module handle echo cancellation?
Yes, it performs echo cancellation compliant with ITU-T G.168, with a tail length of 128 milliseconds.
What is transrating?
Transrating is the process of repacketizing the same codec to connect dissimilar networks that use different codec packetization periods.
Troubleshooting
Module not recognized by router
Ensure the module is fully seated in its slot. Verify router compatibility and check Cisco IOS software version. Reboot the router after installation.
Poor voice quality or dropped calls
Check network connectivity and bandwidth. Ensure DSP resources are not overloaded. Verify configuration for codecs, echo cancellation, and jitter management settings in Cisco IOS.
Module overheating
Ensure the router has adequate ventilation. Check for dust buildup in the router's fans and vents. Verify the operating environment temperature is within the specified range.
Pros and Cons
Pros
- Enhances voice quality with advanced processing and echo cancellation.
- Provides flexibility through universal transcoding and transrating.
- Supports high-density voice channels for scalable solutions.
- Offers energy efficiency with a power-saving mode.
- Integrates advanced conferencing features.
Cons
- Limited to specific Cisco ISR models (4331, 4351, 4451).
- Requires careful installation by trained personnel.
- Does not support analog or BRI digital voice modules directly, which have built-in DSPs.
Setup, Compatibility & Care
Compatibility: The Cisco PVDM4-64 is specifically designed for compatibility with Cisco 4331, Cisco 4351, and Cisco 4451 Integrated Services Routers (ISRs). Ensure your router model is listed before attempting installation.
Setup: Installation typically involves:
- Ensuring the router is powered off and properly grounded.
- Locating the dedicated PVDM slot on the router's motherboard.
- Carefully inserting the PVDM4-64 module into the slot until it is securely seated.
- Powering on the router and verifying the module is recognized by the Cisco IOS software.
Refer to the official Cisco installation guide for your specific router model for detailed instructions.
Care: The module requires minimal physical care. Keep the router environment clean and well-ventilated to prevent dust buildup. Avoid exposing the module to extreme temperatures or humidity outside its specified operating range (0° to 50°C).
Power Requirements: Operates on 3.3V with a current draw of 1.47A.