PVDM3-16 | High-Density Packet Voice Digital Signal Processor Module

Model: PVDM3-16 Router Voice DSP Module
Detail: 16-channel high-density voice and video DSP module

PVDM3-16 Description

The PVDM3 brings new rich-media capabilities to Cisco® Unified Communications Solutions. High-density voice connectivity. Conferencing, transcoding, and transrating. Management of voice quality. Power savings, secure voice, and more. The module resides on the Cisco 2900 and 3900 Series routers to enable these capabilities.

The next-generation high-density packet voice digital-signal-processor (DSP) modules are available in six densities: PVDM3-16, PVDM3-32, PVDM3-64, PVDM3-128, PVDM3-192, and PVDM3-256. The modules have 16, 32, 64, 128, 192, and 256 channels, respectively.

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Quick Specs Of PVDM3-16

Table 1 shows the Quick Specs.

Product Code PVDM3- 16
Description 16-channel high-density voice DSP module
Maximum Number of Channels in Low-Complexity Codecs 16
Maximum Number of Channels in Medium-Complexity Codecs 12
Maximum Number of Channels in High-Complexity Codecs 10
Platform Support Cisco 2901, 2911, 2921, 2951, 3925, 3945, 3925-E, and 3945-E Integrated Service Routers
Availability Unified Communications License on Universal Cisco IOS Software image
Release Cisco IOS Software Release 15.0(1)M

PVDM3 Modules Specifications


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


Echo cancellation Software echo cancellation compliant with ITU-T G.168, with 128-ms tail coverage
Operating temperature -41 to 131°F (-5 to 55°C)
Voltage 3.3V
Current 1.47A
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


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