Key facts
- Brand
- Cisco
- Model
- 1800 series
- Documents
- 4
- Languages
- ZH · EN
- Last added
- 2026-10-18
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Cisco 1800 Series Integrated Services Router Quick Start Guide
This Quick Start Guide covers the essential steps to install, start, and configure a Cisco 1800 Series Integrated Services Router (Modular). It includes information on connecting cables, powering on the device, and performing initial configuration tasks. The guide also details the interface numbering for the Cisco 1841 model, which differs from the Cisco 1700 series. This manual is written in Chinese.
Read onlineCisco 1800 series specifications
| 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) |
Source: Cisco 1800 Series Integrated Services Routers Fixed‑Configuration Data Sheet
All Cisco 1800 series documents by type
The shortest path to a working setup, usually only a few pages.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How many managed switch ports are provided on the fixed‑configuration models?
Models 1801, 1802, 1803, 1811, and 1812 have eight 10/100‑BASE‑T managed switch ports; the 1805 model has four.
From: Cisco 1800 Series Integrated Services Routers Fixed‑Configuration Data Sheet
What wireless standards are supported?
The integrated wireless LAN supports IEEE 802.11a, b and g.
From: Cisco 1800 Series Fixed Configuration Router Product Leaflet