PVDM2-64: 64-Channel High-Density Packet Voice Digital Signal Processor Module

Model: PVDM2-64 Router Voice DSP Module
Detail: 64-Channel Packet Voice/Fax DSP Module

Cisco PVDM2-64 Description

The Cisco ® High-Density Packet Voice Digital Signal Processor (DSP) Module (PVDM2) enables Cisco Integrated Services Routers to provide high-density voice connectivity, conferencing, and transcoding capabilities in Cisco IP Communications solutions. Cisco Integrated Services Routers provide enterprises and service providers with a toll bypass solution by connecting their existing telephony equipment (such as private branch exchanges [PBXs], key systems, analog telephones, and fax machines) to a toll-free data network and eventually migrating customers to Cisco Unified Communication Architecture for Voice, Video and Integrated Data IP telephony solutions.

The high-density packet voice DSP modules are available in five versions: PVDM2-8, PVDM2-16, PVDM2-32, PVDM2-48, and PVDM2-64.

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Quick Specs of Cisco PVDM2-64 

Figure 1 shows the appearance of PVDM2-64.

Table 1 shows the Quick Specs.

Product Code PVDM2-64
Description 64-channel packet fax and voice DSP module
Maximum Number of Channels in G.711 64
Maximum Number of Channels in High-Complexity Codecs 24
Maximum Number of Channels in Medium-Complexity Codecs 32

Product Details

Figure 2 shows PVDM2 SIMM Slots on the Cisco High-Density Digital Voice Network Modules.

PVDM2 SIMM Slots on the Cisco High-Density Digital Voice Network Modules

PVDM2 Modules Specifications


DSP • Texas Instruments TNETV2510GGW for PVDM2-16, PVDM2-32, PVDM2-48, and PVDM2-64

• Texas Instruments TNETV2505GGW for PVDM2-8

DSP CPU Clock • 200 MHz for TNETV2510GGW

• 175MHz for TNETV2505GGW

DSP External Memory 128-megabit synchronous dynamic RAM for each DSP (for both TI 2510 and TI 2505)
Interface 80-pin SIMM interface


Echo Cancellation Software echo cancellation compliant with ITU-I G.168, with 64-ms tail coverage

Approvals and Compliance

Safety • IEC 60950 (worldwide) and AS/NZS 3260 (Australia and New Zealand)

• CAN/CSA-C22.2 No. 60950 (Canada) and GB4943-95 (People’s Republic of China)

• EN60950 (CENELEC; includes EU and EFTA)

• SS337 (Singapore; PSB approval), NOM-019-SCFI-1998 (Mexico), and UL 60950 3rd edition (United States)

Homologation Platform dependent
Mean Time between Failure (MTBF) System dependent


CISPR22, Class B Emissions
EN55022, Class B Emissions
CFR47, Part 15, Subpart B, Class B Emissions
EN61000-3-2 Harmonics
EN61000-3-3 Flicker
CISPR24 Immunity
EN 55024 Immunity
EN50082-1 Immunity
EN61000-3-2 Harmonics
EN 61000-3-3 Flicker
EN 61000-4-2 Electrostatic discharge (ESD)
EN 61000-4-3 Radio frequency (RF) fields
EN 61000-4-4 EFT
EN 61000-4-5 Surge
EN 61000-4-6 Conducted RF
EN 6100-4-8 Power-frequency magnetic fields
EN 61000-4-11 Voltage dips, sags, and interruptions