Cisco NIM-1MFT-T1/E1 — 1-Port T1/E1 Multiflex Trunk Voice & Data Module

Save up to 80% over list price on this fully refurbished and tested Cisco NIM-1MFT-T1/E1 network interface module. Designed for the Cisco 4000 Series ISR routers, this fourth-generation NIM delivers flexible T1/E1 voice and clear-channel data connectivity in a single, compact module — backed by Reef Telecom's industry-leading 10-year warranty.

Key Specifications

• Part Number: NIM-1MFT-T1/E1
• Ports: 1x T1/E1 Multiflex Trunk (RJ-45 connector)
• Data Rates: Up to 1.544 Mbps (T1) / 2.048 Mbps (E1)
• Integrated CSU/DSU: No external CSU/DSU required
• Onboard PVDM4 Slot: Supports Cisco PVDM4 DSP module for voice features
• Functions: WIC, VIC, ISDN PRI, dial-access, channelized data (CE1T1)
• Protocols: H.323, SIP, MGCP, SCCP voice over IP
• Dimensions: 1.25 x 3.5 x 7.24 in (31.8 x 88.9 x 183.9 mm)
• Weight: 0.4 lb (181 g)
• Condition: Refurbished — fully tested to factory specifications

Platform Compatibility

• Cisco ISR 4321
• Cisco ISR 4331
• Cisco ISR 4351
• Cisco ISR 4451-X

Note: Not compatible with Cisco 2900 or 3900 Series ISRs. Requires PVDM4 module (sold separately) for voice functionality.

Why Buy from Reef Telecom?

• 10-Year Warranty — The longest in the industry on refurbished telecom equipment
• Free Shipping on orders over $300
• Every unit professionally inspected, tested, and restored to full working condition
• Same-day shipping on in-stock items

Ideal for businesses consolidating voice and data onto a single T1/E1 trunk, migrating from circuit-switched to packet voice (VoIP), or expanding PBX/PSTN connectivity on Cisco 4000 Series routers.

Free ground shipping on orders over $300. Same-day shipping on orders placed before 4PM EST.

All products include our industry-leading 10 Year Warranty backed by Reef Telecom.