Cisco NM-HDV | 1-Slot High Density Voice/Fax Network Module

1. Compatibility: Cisco 2600XM, 2691, 3660, 3725, 3745, 3825, and 3845 routers.
2. Voice Channels: Supports up to 120 voice channels.
3. Voice Codecs: G.711, G.729a, G.729ab, G.726, and G.723.1.
4. DSP Resources: Contains 4 onboard digital signal processor (DSP) slots.
5. Voice Features: Supports voice activity detection (VAD), echo cancellation, and comfort noise generation.
6. Protocols: H.323, Session Initiation Protocol (SIP), Media Gateway Control Protocol (MGCP), and Skinny Client Control Protocol (SCCP).
7. Network Interfaces: 2 Ethernet 10/100 ports.
8. Power Consumption: 45 watts maximum.
9. Dimensions: 7.1 x 7.2 x 1.6 inches (H x W x D).
10. Weight: 1.5 pounds.
11. Operating Temperature: 32 to 104°F (0 to 40°C).
12. Humidity: 10 to 90% noncondensing.

Notes:
1. The NM-HDV module provides high-density voice connectivity for Cisco routers.
2. The module supports a wide range of voice codecs for maximum flexibility.
3. With its onboard DSP resources, the NM-HDV module offloads voice processing tasks from the router's main CPU, improving overall performance.