2 x 10/100/1000Base-T LAN - 1 x NME, - 1 x EVM, - 2 x AIM, - 3 x PVDM, - 4 x Expansion Slot - Integrated Services Router. Product Series * 2800 Product Name * 2821 Router with Voice Bundle Product Type * Integrated Services Router Interfaces/Ports * 2 x 10/100/1000Base-T LAN Interfaces/Ports Details * 2 x 10/100/1000Base-T LAN * 1 x Auxiliary Management * 1 x Console Management * 2 x USB Data Transfer Rate * 10Mbps Ethernet * 100Mbps Fast Ethernet * 1Gbps Gigabit Ethernet * 115.2Kbps Console * 115.2Kbps Auxiliary Expansion Slots * 11 x Expansion Slot Slot Details * 1 x NME Internal * 1 x EVM Internal * 2 x AIM Internal * 3 x PVDM Internal * 4 x Expansion Slot Internal Modules * 1 x PVDM2-32 Packet Voice/Fax DSP Module Management * Cisco Router and Security Device Manager (SDM) * Simple Network Management Protocol (SNMP) * Cisco CallManager Express (CME) Protocols * TCP/IP * SNMP * SSH v1 * VoIP * VoFR * ATM * VoATM * H.323 * MGCP * RTP Operating System * Cisco 2800 IOS SP SERVICES Memory * 256MB DRAM Installed * 1GB DRAM Maximum * 64MB Flash Installed * 256MB Flash Maximum