PVDM3-256 - Cisco Packet Voice Digital Signal Processor Modules Overview
PVDM3-256 - Cisco Packet Voice Digital Signal Processor Modules is a genuine modular capacity expansion product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco family, the PVDM3-256 unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is installed into a compatible chassis slot, where it works alongside the supervisor and line cards to extend the platform’s capabilities.
This unit follows the original factory specification for the Cisco family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include adding ports and performance to existing chassis systems, modernizing legacy platforms with compatible line cards, and mixing copper, fiber and high-speed uplinks in one chassis. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “256-channel high-density voice and video DSP module”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the PVDM3-256. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Capacity Expansion
Add ports and performance to existing chassis.
Upgrade Path
Modernize aging platforms with compatible modules.
Flexible I/O
Mix copper, fiber and high-speed uplinks.
Buying a Pre-Owned PVDM3-256
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
PVDM3 Modules Specifications | |
Components | |
DSP | Multicore DSP technology |
DSP external memory | 512-megabit double-data-rate (DDR) synchronous dynamic random access memory (SDRAM) for each DSP |
Interface | 240-pin dual-inline-memory-module (DIMM) interface |
Features | |
Echo cancellation | Software echo cancellation compliant with ITU-T G.168, with 128-ms tail coverage |
Voltage | 3.3V |
Current | 1.47A |
Operating temperature | -41 to 131°F (-5 to 55°C) |
Power | 4.85W |
Regulatory and Compliance | |
Safety | ● Complies with IEC 60950 (worldwide) and AS/NZS 60950-1 (Australia and New Zealand), CAN/CSA-C22.2 No. 60950-1, 1st and 2nd Ed. (Canada), and GB4943-95 (People's Republic of China) ● EN60950-1, 1st and 2nd Ed. (CENELEC; includes EU and EFTA) ● NOM-019-SCFI-1998 (Mexico), and UL 60950-1, 1st and 2nd Ed. (United States) |
Homologation | Platform dependent |
Mean time between failure (MTBF) | System dependent |
EMC | |
Emissions | ● CISPR22, Class B ● EN55022, Class B, CFR47, Part 15, Subpart B, Class B |
Immunity | ● CISPR24 ● EN 55024 ● EN50082-1 |
Electrostatic discharge (ESD) | EN 61000-4-2 |
Surge | EN 61000-4-5 |
Conducted RF | EN 61000-4-6 |
Power-frequency magnetic fields | EN 6100-4-8 |
Harmonics | EN61000-3-2 |
Flicker | EN61000-3-3 |
RF fields | EN 61000-4-3 |
EFT | EN 61000-4-4 |
Voltage dips, sags, and interruptions | EN 61000-4-11 |
PVDM3-256 - Product Notes
This listing is a specific SKU variant of the PVDM3-256 family. Review the specifications above and confirm compatibility with your existing infrastructure, including software version, mounting, and interface requirements, before ordering.
For volume requirements we offer configuration checks and staged delivery options. Our team can confirm revision levels, software compatibility, and lead time before you place an order.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation.
PVDM3-256 - Cisco Series Notes
This listing is part of the Cisco enterprise networking product family, sourced and tested by LinkNewNet for enterprise deployment. Cisco module/line card expands the capability of a chassis platform, adding interface density, forwarding capacity, or service features. It is installed in a matching chassis slot and managed as part of the parent platform.
Deployment guidance: When planning this PVDM3-256 unit into a network, confirm the software image (IOS/IOS-XE/NX-OS) required, the power and cooling profile, and the upstream/downstream interface types that match your existing infrastructure. For a like-for-like refresh, match the feature set of the units already in service so management and automation behave consistently.
Our Cisco reconditioning process: Every pre-owned Cisco unit at LinkNewNet passes a documented reconditioning flow before dispatch - visual inspection, internal cleaning, firmware verification, port-by-port testing, and configuration reset to factory defaults. This ensures the unit you receive operates reliably and integrates cleanly with your existing Cisco management tools.
Related models in this family: PVDM2-16, PVDM2-36DM, PVDM4-32, PVDM2-24DM, PVDM2-12DM. Compare specifications to confirm the right port density, feature set and uplink options for your deployment.
