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NM-HDV2
IP Communications High-Density Digital Voice Network Module...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
NM-HDV2 is an advanced Ethernet module engineered for high-speed connectivity, offering reliable 10Gbps data rates via an SFP+ connector. It is designed for seamless integration with routers, switches, and servers, featuring a PCIe form factor that simplifies installation in data center environments and enterprise networks.
Optimized for use cases such as upgrading server network interfaces and expanding data center capacity, NM-HDV2 supports the TCP/IP protocol along with essential features like auto‑negotiation, Wake‑on‑LAN, jumbo frames, and QoS. Its robust design ensures dependable performance and compatibility with major vendors including Cisco, Juniper, Arista, Dell, and HP.
NM-HDV2 price is $721.00, a 56% saving from the Cisco list price of $1,640.00. NM-HDV2 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for NM-HDV2 for additional pricing. Browse the full Nm Nme Em Network Modules series or explore all Cisco products.
In a large enterprise contact center handling up to 800 concurrent calls, the NM-HDV2-IP Communications High-Density Digital Voice Network Module on a Cisco ISR consolidates multiple T1/E1 trunks into a single IP stream. This solution reduces hardware footprint by 60%, ensures carrier-grade QoS via onboard DSP acceleration, and delivers a 25% cut in voice transport OPEX while scaling dynamically to spikes in call volume.
A national retail chain deploys NM-HDV2-IP modules in 200 store routers to migrate legacy digital PBX trunks to SIP over a unified Cisco WAN. The high-density voice ports centralize dial tone, enable sub-15-minute site provisioning, and cut monthly trunking fees by 40%. Integrated DSPs sustain sub-30 ms latency for crystal-clear voice, streamline compliance, and simplify voucher-based trunk management.
A global financial services firm implements NM-HDV2-IP modules across Cisco branch routers to interconnect 24/7 trading floors over an encrypted MPLS backbone. The module’s DS0-level encryption and hardware voice DSPs achieve sub-3 ms jitter, supporting ultra-low-latency trader communication. Outcome: 99.999% voice uptime, full FINRA compliance, and a 30% reduction in voice-network maintenance through centralized monitoring and automated failover.
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| NM-HDV2 |  NM-4T |  NM-1A-T3/E3 |  NACNM-100-K9 |  NM-32A | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Network Module / Network Card | Network Module / Network Card | Network Module / Network Card |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10Gbps | 10G | 100G | 10G |
| Connector Type | SFP+ | SFP+ | SFP+ | SFP28 | SFP+ |
| Supported Protocols | TCP/IP | TCP/IP / iSCSI | TCP/IP, iSCSI | TCP/IP | TCP/IP, iSCSI |
| Form Factor | PCIe | PCIe | PCIe | PCIe | 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 | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Dell, HP |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 100Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 15W | 15W | 15W | 20W | 12W |
| Interface Ports | Ethernet | SFP+ | Ethernet, SFP+ | SFP28 | Ethernet |
| Product Name | NM-HDV2 High-Definition Network Module | NM-4T Network Module | NM-1A-T3/E3 High-Performance 10G Ethernet Module | NACNM-100-K9 Network Interface Module | NM-32A High-Performance 10GbE Network Module |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
High density voice module performed well under load.
Clear digital voice across channels.
Reliable choice for enterprise voice.
Installed smoothly without issues.
Very satisfied with performance.
The Cisco NM-HDV2 is an IP communications high-density digital voice network module for Cisco ISR routers, providing multiple T1/E1 ports and integrated DSP resources for scalable VoIP and TDM voice services.
The NM-HDV2 is compatible with Cisco 2800, 2900, 3800, and 3900 Series Integrated Services Routers (ISR) equipped with a network-module slot and appropriate IOS image.
It offers four T1/E1 ports, supporting up to 96 T1 channels (24×4) or 120 E1 channels (30×4) for high-density digital voice connectivity.
The module supports G.711, G.729, G.723.1, T.38 fax over IP, as well as SIP, H.323 and MGCP signaling for versatile voice deployments.
Power down the router, slide the NM-HDV2 into the network-module slot until it locks, secure the captive screw, and power on the router to complete installation.
No, the NM-HDV2 draws power from the host router’s power supply and does not supply PoE. External PoE-enabled devices must supply their own power.
The NM-HDV2 integrates up to four high-performance DSPs for voice transcoding, conferencing, fax relay and tone-relay functions.
Yes, you need a valid Cisco Unified Communications license (CME or Cisco Unified CM) plus the appropriate Cisco IOS voice feature license to enable advanced services.
Yes, the NM-HDV2 supports integrated voice and data services, leveraging Cisco IOS QoS and routing features to prioritize and manage mixed traffic.
It is ideal for enterprise branch offices, contact centers and telephony network edges requiring high-density TDM voice consolidation with VoIP integration.
Use Cisco IOS commands under the controller T1/E1 interface (for example, “controller T1 0/0/0” and “pri-group timeslots 1-24”) along with dial-peer configurations for signaling.
The NM-HDV2 consumes 25–35 W, operates at 0–40 °C and 10–90% non-condensing humidity, in accordance with Cisco’s environmental guidelines.
Yes, the module supports T.38 fax over IP, Cisco fax relay and modem bypass for reliable fax and legacy modem connectivity over packet networks.
The NM-HDV2 includes Cisco’s one-year limited hardware warranty. Optional Smart Net Total Care provides extended coverage, technical support and expedited hardware replacement.
Firmware upgrades are applied via Cisco IOS images using the “copy tftp://” command and the “upgrade rom-monitor” procedure as described in Cisco’s installation guide.
The NM-HDV2 is available through authorized Cisco resellers, online marketplaces like Cisco Store, CDW and Insight, or directly from Cisco sales channels.
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