Full specification
Router Type: Cisco 2851 Integrated Services Router (ISR)
Network Interfaces: 2x Gigabit Ethernet (10/100/1000Base-T)
Expansion Slots: 12 slots (AIM, HWIC, NME-XD, PVDM, EVM compatible)
Standard Memory: 256 MB DRAM
Maximum Memory: 1 GB DRAM
Flash Memory: 64 MB
Bundle Includes: PVDM2-48 DSP module, FL-SRST license, Advanced IP Services
Voice Channels: Up to 48 concurrent voice channels (PVDM2-48)
SRST Support: Up to 100 IP phones
IPsec VPN Throughput: Up to 45 Mbps
Total Throughput: Up to 85 Mbps
Form Factor: 2U rack-mountable
Security: IPsec VPN, SSL VPN, Firewall, Intrusion Prevention, DES/3DES/AES encryption
Support: 24x7x4 hardware maintenance (4-hour response)