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NIM-4T-RF

Cisco WAN Network Interface Module - serial adapter

NIM-4T-RF is a professionally remanufactured Cisco 4-Port Serial WAN Network Interface Module (NIM), designed to provide serial WAN connectivity for branch and enterprise routers. It installs into NIM slots on Cisco 4000 Series Integrated Services Routers (ISR 4000), enabling synchronous/asynchronous serial connections over leased lines, Frame Relay, and other legacy WAN protocols.

This remanufactured Network Interface Module meets Cisco original equipment specifications and has been thoroughly inspected and tested before shipment. Validation includes serial port functionality across all four interfaces, synchronous and asynchronous signaling verification, and compatibility testing with Cisco IOS XE software.

Key Features:
• 4 serial WAN ports supporting synchronous speeds up to 8 Mbps per port
• Compatible with Cisco ISR 4000 Series routers (4321, 4331, 4351, 4431, 4451)
• Supports EIA/TIA-232, EIA/TIA-449, V.35, X.21, and EIA-530 serial standards via smart serial cables
• Supports synchronous and asynchronous serial operation for legacy WAN connectivity
• Compatible with Frame Relay, HDLC, PPP, and SLIP encapsulation protocols
• "-RF" suffix indicates Cisco Certified Remanufactured product meeting original Cisco quality standards