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PVDM2-8
8-Channel Packet Voice/Fax DSP Module
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PVDM2-8 is a high-performance WAN module designed for upgrading server network interfaces and connecting to high-speed networks in modern data centers. It delivers reliable, secure communications with data rates of up to 1Gbps via a robust RJ-45 connector and supports TCP/IP protocols, ensuring seamless integration with routers, switches, and servers from major industry vendors.
PVDM2-8 features a compact PCIe form factor that allows easy installation and excellent scalability for expanding network capacity. Ideal for applications in enterprise WAN environments, this module is engineered for optimal performance under demanding operational conditions, thereby enhancing connectivity and improving overall network efficiency.
PVDM2-8 price is $75.00, a 81.3% saving from the Cisco list price of $400.00. PVDM2-8 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PVDM2-8 for additional pricing. Browse the full Pvdm Voice/Fax Modules series or explore all Cisco products.
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| PVDM2-8 |  PVDM4-256 |  PVDM3-16 |  PVDM3-192 |  PVDM2-64 | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Voice Processing Module | Network Module / Network Card | Voice Processing Module | Network Card |
| Module Type | WAN | DSP Card | Ethernet | DSP | Ethernet |
| Data Rate | 1Gbps | N/A | 10Gbps | N/A | 10Gbps |
| Connector Type | RJ-45 | PCI Express | SFP+ | N/A | SFP+ |
| Supported Protocols | TCP/IP | SIP / TCP/IP | TCP/IP / iSCSI | N/A | TCP/IP |
| Form Factor | PCIe | Modular | PCIe | Modular | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 5V | 3.3V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Enterprise Routers & Communication Systems | Dell / HP | Cisco Integrated Services Routers | Cisco, Dell, HP |
| Max Speed | 1Gbps | N/A | 10Gbps | N/A | 10Gbps |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | 256-channel voice processing, DSP acceleration | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Voice Transcoding, Conferencing, Signaling Conversion | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 10W | N/A | 15W | 8W | 15W |
| Interface Ports | Ethernet | N/A | SFP+ | N/A | SFP+ |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | PVDM2-8 WAN Module | PVDM4-256 Voice Processing Module | PVDM3-16 High-Performance Ethernet Module | PVDM3-192 | PVDM2-64 High-Speed Network Module |
| Height | 1.5 inches | N/A | N/A | N/A | 1.2 inches |
| Width | 3.5 inches | N/A | N/A | N/A | 3.4 inches |
| Depth | 0.5 inches | N/A | N/A | N/A | 6.7 inches |
| Weight | 0.4 lbs | N/A | N/A | N/A | 0.75 lbs |
The 8-channel packet voice/fax DSP module is perfect for our smaller communication needs. It's efficient, reliable, and provides excellent voice processing performance.
The PVDM2-8 DSP module delivers solid performance. It's perfect for managing basic voice and fax processing with minimal latency and reliable quality.
We rely on the PVDM2-8 for its efficient voice and fax processing capabilities. It's compact and provides good performance for smaller-scale operations.
The PVDM2-8 DSP module works great for our needs. It's cost-effective, reliable, and handles voice and fax traffic efficiently without any issues.
This module provides excellent value. It offers great voice and fax processing with minimal setup, making it a reliable choice for our communications infrastructure.
The Cisco PVDM2-8 is a digital signal processing module that delivers 8 simultaneous voice and fax sessions for Cisco routers.
The PVDM2-8 supports up to 8 concurrent voice or fax channels on a single module.
The PVDM2-8 is compatible with Cisco ISR G2, ISR 4000, ASR 1000 series routers and select legacy platforms that feature a PVDM2 slot.
It offers hardware-based packet voice encoding/decoding, T.38 fax relay, echo cancellation and conferencing across 8 channels.
No additional licensing is required; the PVDM2-8 delivers full DSP capacity upon installation with no license key needed.
Power off the router, insert the module into an available PVDM2 slot until it clicks, power on the router, and verify installation with the “show platform” command.
Yes, you can mix PVDM2-8 with other PVDM2 modules as long as the total DSP capacity does not exceed the router’s maximum supported DSP.
No. The PVDM2-8 module is not hot-swappable and must be installed or removed only when the router is powered down.
It supports G.711, G.726, G.729A/B voice codecs, T.38 fax relay, echo cancellation, and hardware conferencing.
It can handle up to 8 simultaneous fax sessions using the T.38 protocol.
The module operates at 0 to 40 °C ambient temperature and 10% to 85% relative humidity (non-condensing).
Cisco provides a limited lifetime warranty with return-to-factory replacement within the warranty period.
Use IOS show commands (show platform, show voice dsp capability), verify module seating, inspect logs and ensure your IOS version is recommended for PVDM2 modules.
Yes. The PVDM2-8 provides hardware-based conferencing for up to 8 participants or mixed voice/fax sessions within its channel capacity.
No separate firmware upgrade is required; DSP microcode is managed by the router IOS and is updated automatically during IOS upgrades.
You can purchase the PVDM2-8 through Cisco authorized resellers, Cisco partners or the Cisco online store.