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Cisco Integrated Services Router Hardware Installation Guide
OL-27407-01
Chapter1 Product Overview
Cisco C891 Series ISRs
Cisco C891 Series ISRs
Cisco C891 Series ISRs are designed to deliver secure broadband, metro Ethernet, wireless LAN
(WLAN) connectivity, and business continuity. Cisco C891 Series ISRs also provide a 1-port Gigabit
Ethernet SFP socket for WAN connectivity.
This section includes the hardware information for the following models:
•Cisco C891F
•Cisco C891FW
Table 1 -28 provides information about the hardware specifications of Cisco C891 Series Router.
Table1-28 Hardware Specifications of Cisco C891 Series ISRs
For detailed hardware specifications, see the Cisco C890 Series hardware data sheet at:
http://www.cisco.com/en/US/prod/collateral/routers/ps380/data_sheet_c78-519930.html
Hardware Description
Flash Memory 256 MB
Main Memory 1 GB DDR RAM; fixed and not extendable
USB port A USB 2.0-compliant port located on the back
panel
FAN Fanless chassis
PoE 4 PoE ports
WAN 1-port GE or 1-port SFP
Data Backup • 1-port FE
• 1-port ISDN
• 1-port V.92
Console or auxiliary port RJ-45
LAN switch 8-port Gigabit Ethernet
Embedded Wireless AP Dual 802.11b/g/n and 802.11a/n radios for
C891FW