Cisco NM-HDV2-1T1/E1 High-Density Digital Voice/Fax Network Module
Save up to 80% over new with this fully refurbished and tested Cisco NM-HDV2-1T1/E1 network module. Deliver high-density digital voice, fax, and WAN connectivity through a single network module form factor — backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
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Part Number: NM-HDV2-1T1/E1
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Built-in Ports: 1 x RJ-48 T1/E1 WAN port (software-configurable for T1 or E1)
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Expansion Slots: 1 x VIC/VWIC slot + 4 x PVDM2 sockets
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Voice Channels: Up to 90 medium-complexity digital voice channels
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Mixed Mode: 30 digital voice + 4 analog voice channels
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Codec Support: G.711, G.729 with Flexi-DSP dynamic codec selection
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Echo Cancellation: G.168-compliant, up to 64ms tail circuits
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Protocols: VoIP (H.323, MGCP, SIP), VoFR, VoATM (AAL2/AAL5)
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Product Type: Network Module
Platform Compatibility
Compatible with Cisco ISR routers including the 2600XM, 2691, 2811, 2821, 2851, 3725, 3745, 3825, and 3845 series. Requires PVDM2 DSP modules (sold separately).
Why Buy from Reef Telecom?
- 10-year warranty on all refurbished equipment
- Free shipping on orders over $300
- Fully tested and certified to OEM specifications
- Environmentally responsible — extend equipment lifecycle
