Beijing Lianmai Tongchuang Technology Co., Ltd.
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The Cisco 881 (C881-K9) is a compact and cost-effective Cisco Integrated Services Router (ISR), designed specifically for small businesses, enterprise teleworkers, and small branch offices.
The C881-K9 router provides robust security features, including an integrated stateful inspection firewall, IPsec VPN capabilities (supporting up to 20 tunnels), and optional content filtering.
Equipped with a Fast Ethernet WAN port and a built-in 4-port 10/100 Fast Ethernet managed switch, the C881-K9 delivers reliable broadband speeds for concurrent data, voice, and video services.
The router features a compact, fanless desktop design, making it suitable for quiet office environments.
The C881-K9 is a versatile platform that can provide essential routing for a small network. It can connect directly to your ISP for Internet access and provides local area network (LAN) ports to connect computers or a Cisco Network Switch for additional wired devices. For wireless connectivity, it can seamlessly integrate with external Cisco Wireless AP devices, creating a complete network solution for small deployments.
| Parameter Category | Parameter | Specification |
|---|---|---|
| Device Type | Model Number | C881-K9 |
| Product Type | Integrated Services Router (ISR) / 4-port switch (integrated) | |
| Form Factor | Desktop / 1RU Rack-mountable (with optional kit) | |
| Performance | WAN Data Rates | 10, 100 Mbit/s (Fast Ethernet) |
| LAN Data Rates | 10, 100 Mbit/s (Fast Ethernet) | |
| IPsec VPN Tunnels | 20 | |
| Connectivity | WAN Ports | 1 x 10/100 Fast Ethernet (RJ-45) |
| LAN Ports | 4 x 10/100 Fast Ethernet (RJ-45) (managed switch with VLAN) | |
| USB Ports | 1 x USB 1.1 Type A | |
| Console Port | 1 x RJ-45 | |
| Auxiliary Port | 1 x RJ-45 | |
| Memory | Default DRAM | 256 MB |
| Maximum DRAM | 768 MB | |
| Default Flash Memory | 128 MB | |
| Maximum Flash Memory | 256 MB | |
| Software | Operating System | Cisco IOS Software (e.g., Advanced Security Feature Set) |
| Security Features | Firewall | Cisco IOS Firewall (Stateful Packet Inspection) |
| VPN Support | DES, 3DES, AES (128, 192, 256-bit), SSL | |
| Intrusion Prevention System (IPS) | Optional (via IOS feature set) | |
| Content Filtering | Optional (subscription-based) | |
| Authentication Methods | RADIUS, TACACS+ | |
| Power | Power Source Type | External AC Power Adapter |
| AC Input Voltage | 100 - 240 V AC | |
| AC Input Frequency | 50 - 60 Hz | |
| Typical Power Consumption | 60 W | |
| Physical Specifications | Dimensions (H x W x D) | 44 mm x 325 mm x 249 mm (1.75 x 12.8 x 9.8 inches) |
| Weight (Approximate) | 2.5 kg (5.51 lbs) | |
| Rack Height | 1RU | |
| Environmental | Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Relative Humidity | 10% to 85% non-condensing | |
| Operating Altitude | 0 to 3000 m (9842 ft) | |
| Compliance | Safety Standards | UL 60950, IEC 60950, EN 60950 |
| EMC Standards | FCC Part 15 Class B, CISPR 22 Class B, EN55022 Class B |
