PVDM4-64 Router Voice DSP Module
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PVDM4-64
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PVDM4-64 Overview
64-channel high-density voice and video DSP module PVDM4-64
Overview
PVDM4-64 Overview
Cisco PVDM4-64, 51 mm, 67 mm, 17 mm, 36 g, 0 - 50 °C
The Cisco® Packet Voice Digital Signal Processor Modules (PVDMs) enable Cisco 4000 Series Integrated Services Routers (ISRs) to provide rich-media capabilities such as high-density voice connectivity, conferencing, transcoding, media optimization, transrating, and secure voice for Cisco Unified Communications solutions. These new modules support unprecedented scale while allowing for a smaller solution footprint than ever before.
Features and Benefits
The PVDMs support digital voice connections, conferencing, universal transcoding, and media optimization services:
● T1/E1 voice: One of the primary uses of PVDMs is to packetize digital voice into IP packets to enable time-division multiplexing (TDM) digital voice applications.
● Conferencing: PVDM modules support ad hoc and meet-me conferencing with various codecs in conjunction with Cisco Unified Communications Manager and Cisco Unified Communications Manager Express.
● Universal transcoding: In conjunction with Cisco IOS® Software, the PVDMs support universal transcoding, which allows conversion from any supported codec to any other supported codec.
● Transrating: The PVDMs support transrating, in which the same codec is repacketized in order to connect dissimilar networks that have different codec packetization periods.
● Voice-quality management: The PVDMs perform compression, voice-activity detection, jitter management, and echo cancellation. The echo cancellation offered in the PVDMs has a tail length of 128 milliseconds and complies with ITU-T G.168.
● Energy savings: The motherboard PVDMs (PVDM4s) offer multiple power-saving modes, including a power-saver mode when the module is not in use. In power-saver mode, each PVDM4 can save up to 5 watts of power.
The analog voice modules (FXS, FXO, and E/M) and Basic Rate Interface (BRI) digital voice modules for the 4000 Series ISRs contain built-in, nonconfigurable digital signal processors (DSPs) and do not require any additional PVDMs for voice packetization.
Quick Specs
Figure 1 shows the appearance of PVDM4-64.
Product Code | PVDM4-64 |
Slot | On-board motherboard or T1/E1 module slot |
Description | 64-channel high-density voice DSP module |
Low Complexity | 64 |
Medium Complexity | 48 |
High Complexity | 32 |
Compare to Similar Items
Product Code | PVDM4-64 | PVDM4-32 | PVDM4-128 |
Slot | On-board motherboard or T1/E1 module slot | On-board motherboard or T1/E1 module slot | On-board motherboard or T1/E1 module slot |
Description | 64-channel high-density voice DSP module | 32-channel high-density voice DSP module | 128-channel high-density voice DSP module |
Low Complexity | 64 | 32 | 128 |
Medium Complexity | 48 | 24 | 96 |
High Complexity | 32 | 16 | 64 |
Solution
How to use this product to build Network for Small Business (Requires Router & Voice Module)?
See here: SMB Network Options
Summary Description
Cisco PVDM4-64, 51 mm, 67 mm, 17 mm, 36 g, 0 - 50 °C
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Specification
PVDM4-64 Specification
PVDM4 Modules Specifications | |
Feature | Motherboard PVDMs (PVDM4s) |
Components | |
DSP | Multicore DSP technology |
Interface | Integrated Services Card (ISC) slot on motherboard or T1/E1 NIM |
Features | |
Operating temperature | 32° to 122°F (0° to 50°C) |
Voltage | 3.3V |
Current | 1.47A |
Power | 4.85W |
Weight | 0.08 lb (36 g) |
Dimensions (H x W x D) | 0.67 x 2.50 x 2.62 in. (1.7 x 5.1 x 6.7 cm) |
Regulatory and Compliance | |
Safety | Complies with: ● IEC 60950 (worldwide) ● AS/NZS 60950-1 (Australia and New Zealand) ● CAN/CSA-C22.2 No. 60950-1, 1st and 2nd Ed. (Canada) ● GB4943-95 (People's Republic of China) ● EN60950-1, 1st and 2nd Ed. (CENELEC; includes EU and EFTA) ● NOM-019-SCFI-1998 (Mexico) ● UL 60950-1, 1st and 2nd Ed. (United States) |
Homologation | Platform dependent |
Mean time between failures (MTBF) | System dependent |
EMC | |
Emissions | ● CISPR22, Class B ● EN55022, Class B, CFR47, Part 15, Subpart B, Class B |
Harmonics | EN61000-3-2 |
Flicker | EN61000-3-3 |
Immunity | ● CISPR24 ● EN 55024 ● EN50082-1 |
Electrostatic discharge (ESD) | EN 61000-4-2 |
RF fields | EN 61000-4-3 |
EFT | EN 61000-4-4 |
Surge | EN 61000-4-5 |
Conducted RF | EN 61000-4-6 |
Power-frequency magnetic fields | EN 6100-4-8 |
Voltage dips, sags, and interruptions | EN 61000-4-11 |
Frequently Asked Questions
What is the primary function of the Cisco PVDM4-64 DSP module? +
The PVDM4-64 is a high-density digital signal processor module designed to provide advanced voice and video processing capabilities for Cisco ISR 4000 series routers. It offloads intensive media tasks like transcoding, conferencing, and voice gateway functions from the router's main CPU, ensuring high-quality communications and efficient system performance.
How many voice channels does the PVDM4-64 support? +
This specific module is rated for 64 channels of high-density voice and video processing. By installing the PVDM4-64, you can scale your network's capacity to handle simultaneous voice calls, video conferencing sessions, and various transcoding tasks without compromising the throughput of your router’s data plane.
Which Cisco hardware platforms are compatible with the PVDM4-64? +
The PVDM4-64 is specifically engineered for the Cisco ISR 4000 series integrated services routers. It fits directly into the internal module slots, allowing for seamless integration into your existing branch office or enterprise edge infrastructure where high-density media services are required.
Does the PVDM4-64 support both voice and video processing? +
Yes, this module is versatile enough to handle both voice and video media streams. It utilizes advanced digital signal processing to manage complex codec translations and media packetization, making it an essential component for environments deploying unified communications and immersive video collaboration solutions.
How do I manage the PVDM4-64 once it is installed in my router? +
Management is performed through the Cisco IOS-XE command-line interface. Once inserted into the router, the system automatically detects the module. You can then configure DSP resources, monitor channel utilization, and allocate capacity to specific dial peers using standard Cisco voice gateway management commands to optimize your media environment.
Is the PVDM4-64 hot-swappable during router operation? +
While the ISR 4000 series architecture supports modularity, we strongly recommend following standard enterprise maintenance procedures. Always consult your router's hardware installation guide before physical installation. Powering down or placing the module slot in a quiescent state through the CLI is recommended to ensure system stability and to prevent potential electrical issues during hardware insertion.
What is the benefit of using an onboard DSP module instead of software-based processing? +
Offloading voice and video processing to a dedicated DSP module like the PVDM4-64 preserves your router's CPU cycles for vital routing, security, and switching tasks. This hardware acceleration reduces jitter, lowers latency, and prevents potential performance bottlenecks, ensuring consistent voice and video quality even during peak traffic periods.
How does the PVDM4-64 contribute to network reliability? +
By providing dedicated hardware for media processing, the PVDM4-64 ensures predictable behavior for real-time voice and video applications. This separation of duties minimizes the risk of media-related service degradation affecting other router operations, providing a robust foundation for mission-critical enterprise unified communication deployments.
Can I request a bulk quote for multiple PVDM4-64 units through BuyRouterSwitch.com? +
Absolutely. If you are outfitting a large-scale enterprise deployment and require multiple PVDM4-64 modules, our team is ready to assist. Contact our sales department to receive a competitive volume quote tailored to your specific project requirements, ensuring you receive the best possible pricing for your network infrastructure upgrades.
Why should I choose BuyRouterSwitch.com for my Cisco PVDM4-64 purchase? +
BuyRouterSwitch.com specializes in providing authentic Cisco hardware to IT professionals worldwide. We pride ourselves on a seamless procurement process, ensuring that your mission-critical networking components are sourced reliably and delivered efficiently. Our team understands the nuances of enterprise hardware, allowing us to support your technical requirements with professional, expert-led sales service.
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