The Cisco NM-4B-U-RF is a network module designed to enable broad communications functionality through Basic Rate Interface (BRI) digital modems. This module is ideal for use in businesses needing connectivity solutions for ISDN environments. The NM-4B-U-RF part is specifically equipped with four BRI ports, each of which supports up to two 64 kbps B-channels and one 16 kbps D-channel, facilitating simultaneous voice and data transmission.
One of the standout features of this module is its plug-and-play compatibility with Cisco 2600 and 3600 series routers, making it a versatile option for various SMB and enterprise networks. Additionally, this unit supports 4 ISDN BRI interfaces, ensuring optimal performance for both data exchange and telecommunication operations. The module also delivers dependable digital modem integration, simplifying tasks such as remote access, data transfer, and voice communication.
This unit, sold as a refurbished model (RF), has been verified and certified for continued use, providing cost-effective functionality while maintaining high performance. The NM-4B-U-RF version undergoes rigorous testing to ensure it meets Cisco's specifications for a refurbished product, ensuring that it upholds the quality Cisco is known for at an affordable price.
EOL Technology Services offers professional consultation, support, and replacement parts for the part NM-4B-U-RF. Whether you need help setting up the device or require spare parts for maintenance, EOL provides reliable service to ensure continued operation of your networking equipment, including end-of-life models like the NM-4B-U-RF.