Cisco PVDM4-256 Fourth-Generation 256-Channel High-Density DSP Module | USED

Cisco PVDM4-256 Fourth-Generation 256-Channel High-Density DSP Module | USED

Part Number: PVDM4-256

Condition: Used

The CISCO Pvdms Simplifies unified Communications Solutions, Rich-media Features Like High-density Voice Connectivity, Conferencing, Transcoding, Media Optimization, Transrating, And Secure Voice for The Catalyst Family Like CISCO 8000 Edge Platforms And The CISCO 4000 Series Integrated Services Routers (isrs). With The Help Of These Innovative Modules, An Unprecedented Scale May Be Supported With A Smaller Solution Footprint Than Before.

#### **Features And Benefits:**

The [PVDM4-256](https://www.serversupply.com/PRODUCTS/PART_SEARCH/QUERY_PARTS.ASP?Q=PVDM4-256) Support Digital Voice Connections, Conferencing, Universal Transcoding, And Media Optimization Services:

T1/e1 Voice: The Main Concern To Use Pvdm-256 Is packetization  Of Digital Voice Into Ip Packets For Time-division Multiplexing (tdm) Digital Voice Applications.

Conferencing: Pvdm Modules Work With CISCO Unified Communications Manager And CISCO Unified Communications Manager Express To Enable Adhoc And Meet-me Conferencing Using A Variety Of Codecs.

Universal Transcoding:  Pvdm Is Used For Transcoding From One Supported Codec To Another Supported Codec Which Is COMPATIBLE CISCO Ios software.

Transrating: The Pvdms Enable Transrating, Which Repacketizes The Same Codec To Link Disparate Networks With Varying Codec Packetization Times.

Voice-quality Management: Jitter Management, Echo Cancellation, Compression, And Voice Activity Identification Are All Handled By The Pvdms. The 128 Millisecond Tail Length Of The Echo Cancellation Provided By The Pvdms Complies With Itu-t G.168.

Energy Savings: The  Pvdms (pvdm4s) Motherboard Supports Differential power-saving modes. It Reduces Power Use While Not In Use. Each Pvdm4 Can Save Up To 5 Watts Of Power While It Is In Power-saving Mode.

**General Information:**

Manufacturer CISCO Systems, Inc

Part Number: PVDM4-256

Product Name 256-channel High-density Voice Dsp Module

Product Type Pvdm

**Technical Information:**

Echo Cancellation: Yes

Silence Suppression: Yes

Maximum Number Of Channels: 256

Maximum Number Of Sessions: 64

Dynamic Jitter Buffer (djb): Yes

Automatic Gain Control (agc): Yes

Adaptive Noise Reduction (anr): Yes

Comfort Noise Generation (cng): Yes

Voice Quality Monitoring (vqm): Yes

Silence Suppression Sensitivity: Yes

Voice Activation Detection (vad): Yes

Maximum Number Of Transcoding Sessions: 64

Dynamic Jitter Buffer (djb) Sensitivity: Yes

Maximum Number Of Conferencing Sessions: 64

Automatic Gain Control (agc) Sensitivity: Yes

Adaptive Noise Reduction (anr) Sensitivity: Yes

Comfort Noise Generation (cng) Sensitivity: Yes

Voice Activity Detection (vad) Sensitivity: Yes

Voice Quality Monitoring (vqm) Sensitivity : Yes

**Compatibility:**

\- CISCO 4000 Series Irs (integrated Services Routers)

\- CISCO 8000 Series Irs (integrated Services Routers)

**Dimensions & Weight:**

Width: 2.5 Inch

Depth: 2.6 Inch

Height : 0.7 Inch

Weight: 0.5 Lbs