Cisco PVDM Voice/FAX Modules

In Stock
Ships Today
One Year Surplus Networking Warranty 
Fast repairs at low costs
Cisco PVDM (Packet Voice Digital Signal Processor) Voice/FAX Modules are hardware modules designed to provide voice and fax processing capabilities for Cisco Integrated Services Routers (ISR) and Cisco Catalyst switches. These modules enable voice and fax services over IP networks and enhance the performance and functionality of the routers or switches. In this overview, we will focus on the hardware specifics of Cisco PVDM Voice/FAX Modules. Form Factor: Cisco PVDM Voice/FAX Modules come in various form factors, depending on the router or switch model they are designed for. They are typically plug-in modules that fit into dedicated slots on compatible devices. The form factor ensures easy installation, expansion, and removal without requiring additional rack space or external power supplies. Digital Signal Processor (DSP) Resources: The primary hardware component of PVDM Voice/FAX Modules is the Digital Signal Processor (DSP). These DSP resources provide the processing power required for voice and fax services, including voice encoding, decoding, echo cancellation, and fax protocol handling. The number of DSP resources in a module determines the maximum number of concurrent voice or fax calls it can support. Voice and Fax Services: PVDM Voice/FAX Modules support various voice and fax services, enabling routers or switches to handle IP telephony, voice over IP (VoIP), and fax transmissions. These modules support a wide range of voice codecs, including G.711, G.729, G.723.1, and more, ensuring high-quality voice communications over IP networks. They also support fax protocols such as T.38, allowing for reliable and efficient fax transmissions over IP. Channel Density: PVDM Voice/FAX Modules come in different models with varying channel densities. The channel density refers to the number of voice or fax channels that can be supported by the module simultaneously. Modules can range from low-density models supporting a few channels to high-density models supporting dozens of channels. The channel density depends on the specific module model and the DSP resources it incorporates. Compatibility: PVDM Voice/FAX Modules are designed to be compatible with specific Cisco routers and switches. Different module models are compatible with different router or switch platforms, ensuring seamless integration and interoperability. Compatibility information can be obtained from Cisco's documentation or product specifications. Expansion Slots: Some Cisco routers and switches feature dedicated expansion slots for PVDM Voice/FAX Modules. These expansion slots allow for the installation of additional modules to scale voice and fax capabilities as needed. The number of expansion slots available depends on the router or switch model, offering flexibility in expanding the voice and fax capacity of the network. Power and Redundancy: PVDM Voice/FAX Modules draw power from the router or switch itself, eliminating the need for external power supplies. They support both single and dual-power options, providing power redundancy for uninterrupted operation. Dual-power options ensure that voice and fax services continue even in the event of a power supply failure. Management and Monitoring: PVDM Voice/FAX Modules are managed and monitored through the router or switch's management interface, such as the Cisco IOS Software Command-Line Interface (CLI) or a graphical user interface (GUI) provided by the management software. This allows for centralized configuration, monitoring, and troubleshooting of the voice and fax services and the overall network. In summary, Cisco PVDM Voice/FAX Modules provide voice and fax processing capabilities for Cisco routers and switches. With their DSP resources, support for various voice and fax services, channel density options, compatibility with specific devices, and power redundancy, these modules enhance the voice and fax capabilities of the network infrastructure, enabling organizations to deploy robust and scalable IP telephony and fax solutions.
Cisco PVDM Voice/FAX Modules Description Stock Level
PVDM2-12DMPVDM2-12DM Router Digital Modem Module
Available Now
PVDM2-16PVDM2-16 Router Voice DSP Module
Available Now
PVDM2-24DMPVDM2-24DM Router Digital Modem Module
Available Now
PVDM2-32PVDM2-32 Router Voice DSP Module
Available Now
PVDM2-36DMPVDM2-36DM Router Digital Modem Module
Available Now
PVDM2-48PVDM2-48 Router Voice DSP Module
Available Now
PVDM2-64PVDM2-64 Router Voice DSP Module
Available Now
PVDM2-8PVDM2-8 Router Voice DSP Module
Available Now
PVDM3-128PVDM3-128 Router Voice DSP Module
Available Now
PVDM3-16PVDM3-16 Router Voice DSP Module
Available Now
PVDM3-192PVDM3-192 Router Voice DSP Module
Available Now
PVDM3-256PVDM3-256 Router Voice DSP Module
Available Now
PVDM3-32PVDM3-32 Router Voice DSP Module
Available Now
PVDM3-64PVDM3-64 Router Voice DSP Module
Available Now
PVDM4-128PVDM4-128 Router Voice DSP Module
Available Now
PVDM4-32PVDM4-32 Router Voice DSP Module
Available Now
PVDM4-64PVDM4-64 Router Voice DSP Module
Available Now
Cisco PVDM Voice/FAX Modules Description Stock Level