CISCO PVDM2-64

CISCO PVDM2-64

* PVDM2 can support a higher density of G.711 calls than that of other medium-complexity codecs.
PVDM2 connects to the host through 80-pin single inline memory module (SIMM) slots. The module is field
insertable and removable. Figure 2 shows how PVDM2 is plugged into PVDM2 SIMM slots on the Cisco high-density
digital voice network modules.
Figure 2. PVDM2 SIMM Slots on the Cisco High-Density Digital Voice Network Modules
Features and Benefits
Investment Protection and Field-Upgradable Capability
PVDM2 is used across a series of Cisco Integrated Services Routers and high-density voice network modules,
allowing users to distribute or reuse DSP resources among the routers or network modules as needed. The fieldupgradable
capability enables users to easily scale their voice deployments.
In addition, each DSP on the PVDM2 provides four times the processing power and more memory than the existing
PVDM. The high performance of PVDM2 supports future growth.
High Density and Flexibility
PVDM2 provides high call density per DSP and flexibility of channel allocation. The maximized support of
uncompressed G.711 voice calls optimizes DSP utilization for the solutions, mainly based on G.711 codecs such as
IP telephony, in a LAN where the bandwidth consumed by uncompressed calls is not a concern.
Conferencing and Transcoding Services
With PVDM2, Cisco Integrated Services Routers and voice network modules provide both digital and analog voice
connections and conferencing and transcoding services. In conjunction with host software, PVDM2 supports
universal transcoding when needed. Universal transcoding allows transcoding from any supported codec to any
other supported codec. As a general rule, the number of sessions needed for a universal transcoding channel is the
sum of the session requirements for two separate voice channels, one running each of the configured codecs. For
example, a channel running universal transcoding from a G.729a codec to iLBC would need the session capacity for
a voice channel running the G.729a codec and MIPS (million instructions per second) for a voice channel running
the iLBC codec

Data Sheet

Improved Voice Quality
PVDM2 performs compression, voice activity detection, jitter management, and echo cancellation functions to
improve voice quality. The echo cancellation offered in PVDM2 has a tail length of 64 milliseconds (ms) and
complies with International Telecommunication Union (ITU)-T G.168.
Availability of Features
Table 3 summarizes the availability of features.
Table 3. Features Availability
Name Platform Support Availability Release
PVDM2-8, PVDM2-16, PVDM2-32,
PVDM2-48, and PVDM2-64
NM-HDV2, NM-HDV2-1T1/E1, and NMHDV2-
2T1/E1
IP voice or IP plus above
images
Cisco IOS® Software Release
12.3(7)T
PVDM2-8, PVDM2-16, PVDM2-32,
PVDM2-48, and PVDM2-64
Cisco 2801*, 2811, 2821, and 2851
Integrated Services Routers
IP voice and above images Cisco IOS Software Release
12.3(8)T4
PVDM2-8, PVDM2-16, PVDM2-32,
PVDM2-48, and PVDM2-64
EVM-HD-8FXS/DID, EM-HDA-8FXS, and
EM-4BRI-NT/TE
IP voice and above images Cisco IOS Software Release
12.3(8)T4
PVDM2-8, PVDM2-16, PVDM2-32,
PVDM2-48, and PVDM2-64
Cisco 3825 and 3845 Integrated Services
Routers
IP voice and above images Cisco IOS Software Release
12.3(11)T
PVDM2-8, PVDM2-16, PVDM2-32,
PVDM2-48, and PVDM2-64
Cisco 2901, 2911, 2921, 2951, 3925,
3945 Integrated Service Routers **
Unified Communications
License
Cisco IOS® Software Release
15.0(1)M
* The conferencing and transcoding feature on the Cisco 2801 will be available in a future Cisco IOS Software release.
** Onboard support for the PVDM2 modules in the 2911, 2921, 2951, 3925, and 3945 platforms will be via the PVDM adapter,
PVDM2-ADPTR. Adapters are not required on the Cisco High-Density Digital Voice Network Modules.
Product Specifications
Table 4 presents product specifications.
Table 4. Product Specifications
Feature Specifications
Components
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
Features
Echo Cancellation Software echo cancellation compliant with ITU-I G.168, with 64-ms tail coverage
Approvals and Compliance
Homologation Platform dependent
Mean Time between Failure (MTBF) System dependent
EMC
CISPR22, Class B Emissions
EN55022, Class B Emissions
Data Sheet

Feature Specifications
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
Ordering Information
Table 5 presents ordering information.
Table 5. Ordering Information
Description Part Number
8-Channel Packet Fax/Voice DSP Module, or spare PVDM2-8 or PVDM2-8=
16-Channel Packet Fax/Voice DSP Module, or spare PVDM2-16 or PVDM2-16=
32-Channel Packet Fax/Voice DSP Module, or spare PVDM2-32 or PVDM2-32=
48-Channel Packet Fax/Voice DSP Module, or spare PVDM2-48 or PVDM2-48=
64-Channel Packet Fax/Voice DSP Module, or spare PVDM2-64 or PVDM2-64=
PVDM2 Adapter for PVDM Slot on Cisco 2900, 3900 Series ISR PVDM2-ADPTR or PVDM2-ADPTR=

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