Cisco 1800 Series Integrated Services Routers are the next evolution of the award-winning Cisco 1700 Series modular and fixed-configuration routers. The routers are designed for secure and reliable delivery of business-critical applications.
The Cisco 1800 Series Integrated Services Routers are fixed‑configuration devices designed for small‑ to medium‑sized businesses and branch offices. They combine DSL, Ethernet, and wireless connectivity with advanced security features such as firewalls, IPS, VPNs, and Network Admission Control, all managed through Cisco IOS Software.
The routers include an 8‑port managed 10/100‑BASE‑T switch (with optional PoE), integrated wireless LAN (IEEE 802.11a/b/g), rack‑ or wall‑mount options, and expandable memory. Detailed hardware specifications, DSL capabilities, and security functions are provided in the following sections.
| Form Factor | Desktop, 1‑rack‑unit (1‑RU) high (4.75 cm high with rubber feet) |
|---|---|
| Dimensions (W × D) | 12.74 × 9.7 in. (32.36 × 24.64 cm) |
| Weight | Maximum 6.1 lb (2.8 kg) |
| Flash Memory Capacity (default) | 64 MB |
| Flash Memory Capacity (maximum) | 128 MB |
| DRAM Capacity (default) | 256 MB |
| DRAM Capacity (maximum) | 384 MB |
| Managed Switch Ports | 8 (4 on 1805) |
| USB 2.0 Ports | 0 on 1801‑1803, 2 on 1805, 1811, 1812 |
| Power over Ethernet (PoE) | 802.3af support |
| Rack‑Mountable | Yes (optional 19‑in. rack‑mount kit required) |
Models 1801, 1802, 1803, 1811, and 1812 have eight 10/100‑BASE‑T managed switch ports; the 1805 model has four.