General Information
Manufacturer Cisco Systems, Inc
Manufacturer Part Number C2811-2SHDSL/K9
Brand Name Cisco
Product Series Cisco 2800
Product Model C2821
Device Type Router
Enclosure Type Desktop – modular – 1U
Connectivity Technology Wired
Data Link Protocol Ethernet, Fast Ethernet
Network / Transport Protocol IPSec
Remote Management Protocol SNMP 3
Features Firewall protection, hardware encryption, power over Ethernet (PoE), MPLS support, VLAN support, URL filtering
RAM 256 MB (installed) / 760 MB (max) – DDR SDRAM
Flash Memory 64 MB (installed) / 256 MB (max)
Communications
Type DSL modem
Analog Ports Qty 2
Digital Signaling Protocol SHDSL
G.SHDSL
Protocols & Specifications ITU G.991.2 (G.shdsl)
Max Transfer Rate 2.304 Mbps
Expansion / Connectivity
Interfaces USB : 2 x Serial : 1 x auxiliary – RJ-45 Management : 1 x console – RJ-45 2 x 10Base-T/100Base-TX – RJ-45 WAN : 2 x SHDSL – RJ-11
Expansion Slots 2 (total) / 2 (free) x AIM 4 (total) / 3 (free) x HWIC 2 (total) / 2 (free) x PVDM CompactFlash Memory 1 (total) / 1 (free) x NME
Power
Power Device Internal power supply
