Cisco Router Voice DSP Module PVDM4-64
Cisco Router Voice DSP Module PVDM4-64
  • Cisco Router Voice DSP Module PVDM4-64
  • Cisco Router Voice DSP Module PVDM4-64

PVDM4-64

64-channel high-density voice and video DSP module.

Description

PVDM4-64 Overview


The Cisco® Packet Voice Digital Signal Processor Modules (PVDMs) enable 

Cisco 4000 Series Integrated Services Routers (ISRs) to provide rich-media 

capabilities such as high-density voice connectivity, conferencing, 

transcoding, media optimization, transrating, and secure voice for Cisco 

Unified Communications solutions. These new modules support 

unprecedented scale while allowing for a smaller solution 

footprint than ever before.


PVDM4 Modules Specifications

Feature

Motherboard PVDMs (PVDM4s)

Components

DSP

Multicore DSP technology

Interface

Integrated Services Card (ISC)   slot on motherboard or T1/E1 NIM

Features

Operating temperature

32° to 122°F (0° to 50°C)

Voltage

3.3V

Current

1.47A

Power

4.85W

Weight

0.08 lb (36 g)

Dimensions (H x W x D)

0.67 x 2.50 x 2.62 in. (1.7 x 5.1   x 6.7 cm)

Regulatory and   Compliance

Safety

Complies with:

●  IEC 60950 (worldwide)

●  AS/NZS 60950-1   (Australia and New Zealand)

●   CAN/CSA-C22.2   No. 60950-1, 1st and 2nd Ed. (Canada)

●  GB4943-95 (People's   Republic of China)

●  EN60950-1,   1st and 2nd Ed. (CENELEC; includes EU and EFTA)

●  NOM-019-SCFI-1998   (Mexico)

●  UL 60950-1,   1st and 2nd Ed. (United States)

Homologation

Platform dependent

Mean time 

between failures (MTBF)

System dependent

EMC

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

 

Features and Benefits


The PVDMs support digital voice connections, conferencing, universal 

transcoding, and media optimization services:


●   T1/E1 voice: One of the primary uses of PVDMs is to packetize 

digital voice into IP packets to enable time-division multiplexing 

(TDM) digital voice applications.


●   Conferencing: PVDM modules support ad hoc and meet-me 

conferencing with various codecs in conjunction with Cisco Unified 

Communications Manager and Cisco Unified Communications 

Manager Express.


●   Universal transcoding: In conjunction with Cisco IOS® Software, 

the PVDMs support universal transcoding, which allows conversion 

from any supported codec to any other supported codec.


●   Transrating: The PVDMs support transrating, in which the same 

codec is repacketized in order to connect dissimilar networks that 

have different codec packetization periods.


●   Voice-quality management: The PVDMs perform compression,

 voice-activity detection, jitter management, and echo cancellation. 

The echo cancellation offered in the PVDMs has a tail length of 

128 milliseconds and complies with ITU-T G.168.


●   Energy savings: The motherboard PVDMs (PVDM4s) offer 

multiple power-saving modes, including a power-saver mode 

when the module is not in use. In power-saver mode, each PVDM4 

can save up to 5 watts of power.


The analog voice modules (FXS, FXO, and E/M) and Basic Rate 

Interface (BRI) digital voice modules for the 4000 Series ISRs contain 

built-in, nonconfigurable digital signal processors (DSPs) and do not 

require any additional PVDMs for voice packetization.


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