Cisco Systems 850 Features Details Cisco Srst Up to 96 phones, NME EVM AIM Hwic Pvdm, Pstn WAN

Cisco 2800 Series

Series Features Overview

Features	Details
Cisco SRST	Up to 96 phones

Voice Mail and Automated Attendant Up to 250 mailboxes with up to 16 concurrent sessions using Cisco

		Unity™ Express Network Module
Voice Interfaces		FXS, FXO, Direct Inward Dial (DID), E&M, Centralized Automated
		Message Accounting (CAMA), Cisco Unity Express (CUE), Basic Rate
		Interface (BRI), T1, E1 Primary Rate Interface (PRI), Q..SIG, channel
		associated signaling (CAS)
	Network Example

Cisco 2800 Series

Platform Overview

									Compact
						Fixed LAN	DRAM (MB)		Flash (MB)		Power
Models	NME	EVM AIM HWIC PVDM*				Ports	Default Max		Default Max		Supply
Cisco 2801	0***	0	2	2**	2	2 FE	128	384	64	128	AC,
											AC-IP
Cisco 2811	1	0	2	4	2	2 FE	256	768	64	256	AC,
											AC-IP,
											DC
Cisco 2821	1 NME or	1	2	4	3	2 GE	256	1024	64	256	AC,
	NME-X										AC-IP,

Local Phone and

PBX Connections

Integrated IPsec,

Firewall, IPS,

IP Communications,

QoS, and Content

Networking

IP

Comprehensive

IP Connectivity

and Services

Support for Local

Legacy Systems

Fully Integrated

Security Services

PSTN

WAN

Internet

Broad Range of Connectivity Options to Corporate WAN, Internet, and PSTN for Primary and Backup Data

							DC
Cisco 2851	1 NME,	1	2	4	3	2 GE	256 1024 64 256 AC,
	NMD,						AC-IP,
	NME-X, or						DC
	NME-XD

*Number of PVDM slots on the motherboard, additional DSP resources can be added using a network module

**Four interface card slots total are supported on the Cisco 2801 router; two slots support HWIC, WIC, VIC, or VWIC modules; one slot supports WIC, VIC, or VWIC modules; one slot supports VIC or VWIC modules (in voice mode only)

***Cisco 2801 router does not support network modules

Series Specifications

Dimensions (H x W x D)
Cisco 2801	1..72 x 17..5 x 16..5 in.. (43..7 x 445 x 419 mm); 1-rack-unit (RU) height
Cisco 2811	1..75 x 17..25 x 16..4 in.. (44..5 x 438..2 x 416..6 mm); 1-RU height
Cisco 2821, Cisco 2851	3..5 x 17..25 x 16..4 in.. (88..9 x 438..2 x 416..6 mm) 2-RU height

When To Deploy

Console Port	1 (up to 115..2 Kbps)
Auxiliary Port	1 (up to 115..2 Kbps)

Deploy the Cisco 2800 Series when you need:

•Performance and densities for concurrent data, security, voice, and advanced services up to multiple T1/E1/xDSL connections

•VPN connections, or plan to migrate to them over time

•Integrated security services as part of the Cisco Self Defending Network, which enable network device protection, threat defense, secure connectivity, and endpoint protection and control

•Ability to upgrade the internal power supply to support integrated 10/100 switching with PoE support for up to 64 ports with inline power

•High-availability features such as an integrated Redundant Power Supply (RPS) connector for

quick connections to an external redundant power supply, Error Correction Code (ECC) Double Data Rate (DDR) SDRAM memory to detect and correct SDRAM errors without user intervention, and Cisco IOS Software warm reboot support for reduced downtime caused by system reboots (Note: Cisco 2801 does not support ECC DDR DRAM..)

•Secure integrated call processing, voice mail and automated attendant, flexible telephony interfaces, redundancy for centralized call processing, or robust DSP support, including local conferencing and transcoding

•Advanced management for security, routing, quality of service (QoS), and switching services with Cisco SDM Version 2..0

USB Port
Cisco 2801	1
Cisco 2811, Cisco 2821, and	2
Cisco 2851
Integrated Channel Service Unit/	Yes, with optional T1/E1, Fractional T1/E1, 56k/64k support
Data Service Unit (CSU/DSU)
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

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