Product Type | Network Interface Module |
Form Factor | Plug-In Module |
Product Series | Cisco NIM-PVDM |
Module Type | Voice DSP Module |
Remanufactured | Yes |
Channels Supported | 256 |
Weight | 0.45 lb (0.2 kg) |
Power Requirements | Supplied by host router (Integrated Service Router) |
Maximum Number Per Router | 2 (depending on router model) |
CISCO NIM-PVDM-256-RF 256-Channel DSP Network Interface Module



Key Benefits

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- Supports high-capacity VoIP and media processing for enterprise-level communications
- TAA compliance ensures suitability for regulated and government-use networks
- Cost-effective remanufactured solution without compromising performance or compliance
Product Overview
The CISCO NIM-PVDM-256-RF is a network interface module featuring a 256-channel DSP, optimized for high-density voice and media services in Cisco ISR routers. As a plug-in module, it supports modular installations for scalable network growth. With TAA compliance and U.S. origin, it is particularly suited for government and regulated enterprise environments. This remanufactured model upholds Cisco’s quality standards and delivers dependable functionality for voice-enabled networks.
Specifications
Product Overview
Cloud Management & Licensing
Management Interface | Managed via Cisco IOS on host ISR router |
Licensing | Requires appropriate voice license on host router |
Cloud Features | Supports Cisco Unified Communications Manager Express (CME) and SRST |
Physical & Environmental
Dimensions | 0.79 x 3.18 x 6.73 in (2 x 8.1 x 17.1 cm) |
Operating Temperature | 32°F to 104°F (0°C to 40°C) |
Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
Relative Humidity (Operating) | 10% to 90%, non-condensing |
Relative Humidity (Storage) | 5% to 95%, non-condensing |
Interfaces
Interface Type | Network Interface Module (NIM) slot |
Voice Ports Supported | Supports T1/E1 PRI and analog voice interfaces via additional modules |
DSP Resources | 256-channel DSP for voice and media processing |
Supported Voice Protocols | SIP, H.323, MGCP |
Supported Codecs | G.711, G.729, G.726, iLBC, G.722 |
Data Processing Rate | Depends on router model and voice traffic configuration |
Advanced Security Features
Secure Voice Support | Yes, via SRTP (Secure RTP) |
Media Encryption | SRTP |
Signaling Encryption | TLS for SIP signaling |
Firewall Integration | Supported through ISR router configuration |
Compliance & Origin
Country of Origin | UNITED STATES |
TAA Compliant | Yes |
Environmental Standards | RoHS Compliant |
Certifications | UL, CSA, CE, FCC Part 15 Class A |
Safety Standards | IEC/EN/UL 60950-1 |