Cisco PVDM3-256 Voice and Fax DSP Module

What It Is

The Cisco PVDM3-256 is a high-density voice DSP module designed for deployment in enterprise local area network infrastructure. It provides 256-channel packet voice and fax digital signal processing capacity for Cisco integrated services routers, serving as a spare or upgrade component in voice-enabled network environments.

Technical Details

• Model: PVDM3-256
• Brand: Cisco
• Category: Local Area Networks (Локальные сети)
• Channel Capacity: 256 channels
• Module Type: High-density voice DSP module
• Function: Packet voice and fax digital signal processing
• Form Factor: Spare part for field replacement
• Compatibility: Cisco PVDM series voice processing modules

Configuration & Options

• Single PVDM3-256 module, supplied as a spare unit
• Compatible with Cisco PVDM slot architecture on supported ISR platforms
• Can be paired with other PVDM modules in the same series for expanded channel capacity
• Refer to Cisco PVDM series ordering documentation for slot and platform compatibility verification
• May be used in conjunction with PVDM2 adapter modules for mixed-generation deployments

Operating Conditions

The Cisco PVDM3-256 is intended for installation in enterprise-class Cisco integrated services routers within controlled indoor environments, such as network equipment rooms or data centers. It operates as an internal module, requiring no external cooling or power connections beyond the host chassis supply. The module is designed for continuous operation in standard telecommunications temperature and humidity ranges, supporting voice and fax traffic in converged LAN/WAN deployments.