Cisco CISCO2811-DC | 2800 Series 2811 2 x 10/100Base-TX + 9 x Expansion Slots 1U Rack-mountable Integrated Service Router

1. Dimensions: 43.8 cm x 30.5 cm x 4.4 cm
2. Weight: 6.8 kg
3. Power: DC power supply, 48V DC nominal input voltage
4. Power Consumption: 80W
5. Memory: 512 MB DRAM, 128 MB flash memory
6. WAN Interface: 2 x 10/100/1000 Mbps Gigabit Ethernet
7. LAN Interface: 2 x 10/100 Mbps Fast Ethernet
8. Expansion Slots: 4 HWIC slots, 2 PVDM slots, 2 AIM slots, 1 NME slot, 1 EVM slot
9. Routing Protocol: OSPF, RIP, BGP, EIGRP, HSRP, VRRP, IGMP, PIM-SM, PIM-DM, DVMRP, MPLS
10. VPN Support: IPSec, SSL VPN
11. Security: Firewall protection, intrusion prevention, content filtering
12. Management: SNMP, Telnet, SSH, CLI, HTTP, HTTPS

Notes:
1. The router is designed for small to medium-sized businesses with high-performance needs.
2. The DC power supply makes it ideal for use in remote locations or areas with unstable power supply.
3. The router supports advanced security features like firewall protection and intrusion prevention to ensure network safety.