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NIM-4E/M-RF

4-Port Network Interface Module-Ear and Mouth REMANUFACTURED

NIM-4E/M-RF is a professionally remanufactured Cisco 4-Port E&M Voice Network Interface Module (NIM), designed to connect legacy analog trunk lines to Cisco 4000 Series Integrated Services Routers (ISR 4000) for enterprise telephony and voice gateway deployments. This module supports E&M signaling commonly used in PBX integration and inter-office tie trunk connections across North American and international telephony environments.

This remanufactured NIM has been restored to meet Cisco original equipment specifications, with each unit fully inspected and tested prior to shipment. Validation includes E&M signaling type verification across all four ports, voice path audio quality testing, and physical interface and connector integrity checks.

Key Features:
• 4-port E&M analog voice interface for PBX and tie trunk connectivity
• Supports E&M signaling Types I, II, III, IV, and V for broad compatibility
• Designed for Cisco ISR 4000 Series routers via the NIM slot interface
• Enables voice over IP (VoIP) gateway functionality for analog trunk lines
• Compatible with Cisco IOS XE software for unified communications deployments
• Remanufactured and tested to meet Cisco OEM performance and reliability standards