Cisco IM-8-CU-1GB 8 x 1 GbE Copper Interface Module | Firewall Expansion — IM-8-CU-1GB

Extend firewall connectivity with eight 1 GbE copper interfaces designed for practical access-layer expansion. The IM-8-CU-1GB gives infrastructure teams a straightforward way to add wired ports where copper still makes the most sense: branch aggregation, internal segmentation, and appliance adjacency. For environments that need more physical connections without moving to fiber, it preserves port density while keeping deployment simple. This module fits organizations that value predictable network design and controlled expansion over unnecessary complexity. It is a strong choice when the firewall must connect to multiple downstream devices, local switches, or dedicated segments while maintaining a clean copper-based topology. By adding eight ports in a compact module, it helps reduce external switching dependencies and supports tighter control over traffic paths. For procurement teams, the value is in targeted expansion. You are not paying for unused capability; you are adding exactly the interface density required to support the deployment model. For architects, it offers a practical way to scale connectivity inside Cisco security environments while keeping the design aligned with existing copper infrastructure. Ideal For Add copper ports to a firewall serving a branch office LAN Connect multiple downstream switches or appliances to a security platform Build segmented internal networks with direct 1 GbE copper links Expand interface density in a Cisco firewall deployment Why This Product 1 Adds 8 copper ports instead of a single uplink 2 Uses 1 GbE Ethernet for standard access connectivity 3 Fits firewall expansion needs without fiber optics 4 Targets dense wired segmentation use cases