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NIM-4MFT-T1/E1-RF

Cisco Fourth-Generation Multi-flex Trunk Voice/Clear-channel Data T1/E1 Module - expansion module

NIM-4MFT-T1/E1-RF is a professionally remanufactured Cisco 4-Port Multiflex Trunk Voice and WAN Network Interface Module (NIM), designed to provide T1 and E1 connectivity for voice and data applications in branch office and enterprise WAN deployments. This NIM fits into NIM-capable platforms such as the Cisco 4000 Series Integrated Services Routers (ISR 4000), enabling flexible WAN and legacy voice integration in a single modular slot.

This remanufactured network interface module meets Cisco original equipment specifications and has been fully inspected and tested prior to shipment. Validation includes verification of T1/E1 port functionality and line signaling, confirmation of proper NIM slot recognition and IOS XE compatibility, and testing of both voice and WAN data throughput across all four ports.

Key Features:
• 4-port T1/E1 multiflex trunk interface supporting both North American T1 and international E1 standards
• Compatible with Cisco ISR 4000 Series routers including the 4321, 4331, 4351, 4431, and 4451 platforms
• Supports channelized T1/E1 for voice (CAS and PRI) as well as unchannelized T1/E1 for WAN data connectivity
• Enables up to 4 x 24 (T1) or 4 x 30 (E1) simultaneous voice channels for high-density branch telephony applications
• Designed for use with Cisco IOS XE software, supporting legacy TDM voice migration and WAN aggregation use cases
• Remanufactured (RF) designation indicates Cisco-quality refurbishment with full functionality restored to original specifications