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Cisco PVDM3-64U128 64–128 Channel Voice DSP Upgrade Module

VENDOR: CISCO Mfg Part#: PVDM3-64U128
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$2,419.53
$2,419.53
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MSRP: $3,548.66
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  • DSP module upgrade from 64 to 128 voice channels
  • 240-pin DIMM plug-in form factor with 3.3 V bus voltage
  • 512 MB of RAM for enhanced processing power
  • Supports major voice codecs: G.711, G.729a/b, G.726, G.722, G.728
  • Compatible with Cisco ISR G2 routers (2901–3945E)
  • Wide operating temperature range: 23 °F to 131 °F

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Key Benefits

Eye-Insights
  • Enables scalable voice processing by doubling DSP channel capacity, reducing need for hardware replacement.
  • Broad compatibility with Cisco ISR G2 routers ensures integration into existing network architectures.
  • Compliance with international EMC and safety certifications supports global deployment standards.

Product Overview

The Cisco PVDM3-64U128 is a voice DSP factory upgrade module that increases channel capacity from 64 to 128, designed specifically for enterprise-class Cisco ISR G2 series routers including the 2900 and 3900 series. With 512 MB RAM and support for voice codecs like G.711, G.729a/b, G.726, G.722, and G.728, it delivers robust performance for converged voice and data environments.

This DIMM 240-pin plug-in module operates on 3.3 V and is compliant with international EMC and safety standards. Designed for wired connectivity and an operating range of 23 °F to 131 °F, it is compatible with numerous Cisco router configurations across industries. The upgrade path it offers empowers organizations to expand their voice capabilities efficiently, ensuring excellent ROI by extending existing infrastructure value.

Specifications

Product Overview
Product Type Voice DSP factory upgrade module
Form Factor Plug-in module
Weight
Power Requirements 3.3 V DC
Mounting Type Internal (DIMM slot)
Upgrade Capability Increases channel capacity from 64 to 128
RAM 512 MB
Connectivity Technology Wired
Bus Interface Type DIMM 240-pin
Compatible Slots 1 x expansion slot - DIMM 240-pin

Wireless Features
Wireless Capability

Compliance & Origin
Country of Origin UNITED STATES
TAA Compliant Yes
EMC/EMI Standards CISPR 22 Class B, EN 55022 Class B, EN55024
Safety Standards IEC/EN 60950-1, UL 60950-1, AS/NZS 60950-1
Other Compliance EN61000-3-2, EN61000-3-3, EN61000-4 family

Advanced Security Features
Integrated Security Features
Supported Routers for Security Applications Cisco 2901 to 3945E Voice Security and CUBE bundles

Interfaces
Interface Type DIMM 240-pin
Voice Codec Support G.711, G.729a, G.729ab, G.726, G.722, G.728
Data Bus Voltage 3.3 V
Module Type DSP Voice Module
Connectivity Wired

Physical & Environmental
Min Operating Temperature 23 °F (-5 °C)
Max Operating Temperature 131 °F (55 °C)
Storage Temperature Range
Relative Humidity (Operating)
Dimensions (W x D x H)

Cloud Management & Licensing
Cloud Management
Licensing Required
Bundled Cloud Features