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CISCO2921/K9

Model Number:
CISCO2921/K9 Cisco 2921 Router ISR G2
Detail:
Cisco 2921 Router w/3 GE,4 EHWIC,3 DSP,1 SM,256MB CF,512MB DRAM,IPB

 

CISCO2921/K9 Overview

The Cisco 2921 router, supporting voice module, is designed for small offices.

*Specification*

Cisco SeriesCisco 2901Cisco 2911Cisco 2921Cisco 2951
Services and Slot Density
Embedded Hardware-Based Cryptography and AccelerationYesYesYesYes
Cisco Unified SRST Sessions3550100250
Cisco Unified CCME Sessions3550100250
Total Onboard WAN 10/100/1000 Ports2333
RJ-45-Based Ports2333
SFP-Based Ports (use of SFP port disables the corresponding RJ-45 port)0011
Service Module Slots0112
Double-Wide Service Module Slots (use of a double-wide slot will occupy all single-wide service module slots in a 2900)0011
EHWIC Slots4444
Double-Wide Service Module Slots (use of a double-wide slot will occupy all single-wide service module slots in a 2900)2222
ISM Slots1111
Onboard DSP (PVDM) Slots2233
Memory DDR2 ECC DRAM – Default512 MB512 MB512 MB512 MB
Memory (DDR2 ECC DRAM) – Maximum2 GB2 GB2 GB2 GB
Compact Flash (External) – Defaultslot 0: 256 MB
slot 1: none
slot 0: 256 MB
slot 1: none
slot 0: 256 MB
slot 1: none
slot 0: 256 MB
slot 1: none
Compact Flash (External) – Maximumslot 0: 4 GB
slot 1: 4 GB
slot 0: 4 GB
slot 1: 4 GB
slot 0: 4 GB
slot 1: 4 GB
slot 0: 4 GB
slot 1: 4 GB
External USB 2.0 Flash Memory Slots (Type A)2222
USB Console Port (Type B) (up to 115.2 kbps)1111
Serial Console Port1111
Serial Auxiliary Port1111
Power-Supply OptionsAC and PoEAC, PoE, and DCAC, PoE, and DCAC, PoE, and DC
RPS Support (External)NoCisco RPS 2300Cisco RPS 2300Cisco RPS 2300
Power Specifications
AC Input Voltage100 to 240 VAC auto ranging100 to 240 VAC auto ranging100 to 240 VAC auto ranging100 to 240 VAC auto ranging