
Cisco 2800 Series
Series Specications
Cisco 2800 Series
52
Ordering Information
53
Dimensions (H x W x D)
Cisco 2801
Cisco 2811
Cisco 2821, Cisco 2851
172 x 175 x 165 in (437 x 445 x 419 mm); 1-rack-unit (RU) height
175 x 1725 x 164 in (445 x 4382 x 4166 mm); 1-RU height
35 x 1725 x 164 in (889 x 4382 x 4166 mm) 2-RU height
Console Port
1 (up to 1152 Kbps)
Auxiliary Port
1 (up to 1152 Kbps)
USB Port
Cisco 2801
Cisco 2811, Cisco 2821, and
Cisco 2851
1
2
Integrated Channel Service Unit/Data
Service Unit (CSU/DSU)
Yes, with optional T1/E1, Fractional T1/E1, 56k/64k support
Voice/Data Support
Yes, for voice through VIC, VWIC, NM, and EVM
Compression
Software and hardware, with optional AIM support
Encryption
Hardware support on motherboard; optional AIM for enhanced
performance
Maximum 10/100 Switch Ports with Inline
Power
Cisco 2801
Cisco 2811
Cisco 2821
Cisco 2851
16
32
40
64
Maximum Inline Power Distribution
Cisco 2801
Cisco 2811
Cisco 2821
Cisco 2851
120W
160W
240W
360W
Maximum 1 GB Ports
5, including HWIC and NME modules (not supported on
Cisco 2801)
Maximum Token Ring Ports
0
Maximum High-speed Serial
(up to 2 Mbps)
20
Maximum Low-speed Serial
(up to 128 Kbps)
48 synchronous, 96 asynchronous
Maximum Integrated Modems
24 analog
Maximum ISDN BRI Ports
20
Maximum ISDN PRI Ports
2
Integrated RPS Connector
Cisco 2801
Cisco 2811, Cisco 2821, Cisco 2851
No
Yes; use Cisco RPS-675 Redundant Power System
Minimum Cisco IOS Software Release
Cisco 2801
Cisco 2811
Cisco 2821
Cisco 2851
123(8)T4
123(8)T4
123(8)T4
123(8)T4
Product Number Product Description
Cisco 2800 Series Base Chassis Part Numbers
CISCO2851
Integrated Services Router with AC power, 2 GbE, slots for 1 NME-XD, 1EVM,
4 HWICs, 2 AIMs, 3 PVDMs; and Cisco IOS IP Base Software
CISCO2851-AC-IP
Integrated Services Router with AC power including inline power distribution
capability, 2 GbE, slots for 1 NME-XD, 1 EVM, 4 HWICs, 2 AIMs, 3 PVDMs; and
Cisco IOS IP Base Software
CISCO2851-DC
Integrated Services Router with DC power, 2 GbE, slots for 1 NME-XD, 1 EVM,
4 HWICs, 2 AIMs, 3 PVDMs; and Cisco IOS IP Base Software
CISCO2821
Integrated Services Router with AC power, 2 GbE, slots for 1 NME-X, 1 EVM,
4 HWICs, 2 AIMs, 3 PVDMs; and Cisco IOS IP Base Software
CISCO2821-AC-IP
Integrated Services Router with AC power including inline power distribution
capability, 2 GbE, slots for 1 NME-X, 1 EVM, 4 HWICs, 2 AIMs, 3 PVDMs; and
Cisco IOS IP Base Software
CISCO2821-DC
Integrated Services Router with DC power, 2 GbE, slots for 1 NME-X, 1 EVM,
4 HWICs, 2 AIMs, 3 PVDMs; and Cisco IOS IP Base Software
CISCO2811
Integrated Services Router with AC power, 2FE, slots for 1 NME, 4 HWICs,
2 AIMs, 2 PVDMs; and Cisco IOS IP Base Software
CISCO2811-AC-IP
Integrated Services Router with AC power including inline power distribution, 2FE,
slots for 1 NME, 4 HWICs, 2 AIMs, 2 PVDMs; and Cisco IOS IP Base Software
CISCO2811-DC
Integrated Services Router with DC power, 2FE, slots for 1 NME, 4 HWICs,
2 AIMs, 2 PVDMs; and Cisco IOS IP Base Software
CISCO2801
Integrated Services Router with AC power, 2FE, slots for 4 Interface Cards,
2 AIMs, 2 PVDMs; and Cisco IOS IP Base Software
CISCO2801-AC-IP
Integrated Services Router with AC power including inline power distribution, 2FE, slots
for 4 Interface Cards, 2 AIMs, 2 PVDMs; and Cisco IOS IP Base Software
All Cisco 2800 Series chassis ship with IP Base software, 64 MB of Compact Flash, either 128 or 256 MB of
SDRAM, console, auxiliary and LAN cables, a power cord, 19-inch rack-mount brackets, and blank panels
that cover unused WIC or network module slots
Optional items:
• Cisco IOS Software feature set upgrade or revision; IP Base is default and included with the chassis
• Several voice/WAN interface card options
• Several WAN/LAN network module options
• Optional MFT Dedicated Echo Cancellation Modules for select voice/WAN interface cards
• Between 2 and 3 PVDMs plus additional PVDM capacity on select network modules
• Several services module options, including content engine, IPS, network analysis, and CESoIP
• Up to 2 AIMs
• Cisco EtherSwitch modules (4-, 9-, 16-, 24- [Cisco 2821 or 2851 only] or 48-port [Cisco 2851 only])
• External RPS (Cisco RPS-675 [not supported on 2801])
• Flash/SDRAM memory upgrade
• Cables
• Feature license for IP Telephony
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