Cisco NM-HDV2 | IP Communications High Density Digital Voice/Fax Network Module

1. Compatibility: Cisco 2800, 2900, 3800, and 3900 Series Integrated Services Routers
2. Voice Codec Support: G.711, G.729a, G.729ab, G.723.1, G.726, GSM-FR, and iLBC
3. Maximum Number of Channels: 60 (depending on the router platform)
4. DSP Resources: 2 onboard DSPs (Digital Signal Processors)
5. Voice Features: Echo cancellation, noise reduction, voice activity detection, and comfort noise generation
6. Voice Interface: 2 RJ-21 connectors for T1/E1 connections
7. Network Interface: 1 Gigabit Ethernet port
8. Dimensions: 7.1 x 7.2 x 1.6 inches
9. Weight: 1.5 pounds
10. Power Consumption: 20W
11. Operating Temperature: 32 to 104°F (0 to 40°C)
12. Operating Humidity: 10 to 90% noncondensing

Helpful Notes:
1. The NM-HDV2 module is ideal for businesses that require a high-density voice solution.
2. The module supports a wide range of voice codecs, ensuring compatibility with different voice systems.
3. The onboard DSPs provide hardware-based voice processing, which reduces the load on the router's CPU.