| Main Specifications |
| Product Description | Cisco 2821 Integrated Services Router - router |
| Device Type | Router |
| Form Factor | External - modular - 2U |
| Dimensions (WxDxH) | 17.2 in x 16.4 in x 3.5 in |
| Weight | 25.1 lbs |
| RAM | 256 MB (installed) / 1 GB (max) |
| Flash Memory | 64 MB (installed) / 256 MB (max) |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Network / Transport Protocol | IPSec |
| Remote Management Protocol | SNMP 3 |
| Features | Cisco IOS 12.3(8)T , firewall protection, hardware encryption, VPN, MPLS support, URL filtering |
| Compliant Standards | IEEE 802.3af |
| Power | DC -24/-60 V |
| System Requirements | Microsoft Windows 98 Second Edition |
| General |
| Device Type | Router |
| Form Factor | External - modular - 2U |
| Width | 17.2 in |
| Depth | 16.4 in |
| Height | 3.5 in |
| Weight | 25.1 lbs |
| Memory |
| RAM | 256 MB (installed) / 1 GB (max) |
| Flash Memory | 64 MB (installed) / 256 MB (max) |
| Networking |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Network / Transport Protocol | IPSec |
| Remote Management Protocol | SNMP 3 |
| Status Indicators | Link activity, power |
| Features | Firewall protection, hardware encryption, VPN, MPLS support, URL filtering |
| Compliant Standards | IEEE 802.3af |
| Expansion / Connectivity |
| Expansion Slots Total (Free) | 4 ( 4 ) x HWIC
2 ( 2 ) x AIM
1 ( 1 ) x NME-X
1 ( 1 ) x EVM
3 ( 3 ) x PVDM
2 memory
1 CompactFlash Card |
| Interfaces | 2 x network - Ethernet 10Base-T/100Base-TX/1000Base-T - RJ-45
2 x USB
1 x management - console
1 x network - auxiliary |
| Miscellaneous |
| Encryption Algorithm | DES, Triple DES, AES |
| Compliant Standards | CISPR 22 Class A, CISPR 24, EN 61000-3-2, VCCI Class A ITE, IEC 60950, EN 61000-3-3, EN55024, EN55022 Class A, UL 60950, EN50082-1, CSA 22.2 No. 60950, AS/NZ 3548 Class A, JATE, FCC Part 15, ICES-003 Class A, CS-03, EN 61000-6-2 |
| Power |
| Power Device | Power supply - internal |
| Voltage Required | DC -24/-60 V |
| Software / System Requirements |
| OS Provided | Cisco IOS 12.3(8)T |
| OS Required | Microsoft Windows 98 Second Edition |
| Environmental Parameters |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 5 - 95% |
