Description
The Cisco NM-4E is a versatile network module designed for Cisco 2600, 3600, and 3700 series routers, offering four Ethernet ports to expand LAN connectivity. Built for modular flexibility, the NM-4E supports 10Base-T Ethernet interfaces, making it ideal for legacy network environments or for connecting multiple LAN segments. Its robust metal casing and standard NM form factor ensure a secure fit within compatible router chassis, while passive cooling reduces maintenance needs. This module is a reliable choice for users seeking to increase port density without upgrading to newer, more costly infrastructure.
Technically, the NM-4E features four RJ-45 connectors, each supporting 10 Mbps Ethernet speeds with full-duplex capability. It operates under standard IEEE 802.3 compliance, ensuring compatibility with a wide range of network devices. The module requires minimal configuration and integrates seamlessly into Cisco IOS environments, supporting routing protocols and network services as managed by the host router. For those building or maintaining cost-effective enterprise or lab networks, the NM-4E offers a practical balance of performance and affordability.