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Cisco 800M Series Integrated Services Router Hardware Installation Guide
Chapter 1 Product Overview
Hardware Features
Memory
The Cisco 800M Series ISR supports 8 MB of boot flash and 2 GB of NAND Flash. Cisco
C841M-4X-JSEC/K9 and Cisco C841M-4X-JAIS/K9 ISRs support 512 MB of DRAM and Cisco
C841M-8X-JAIS/K9 ISR supports 1 GB of DRAM.
Power Supply
The configuration is AC adapter that supports 100 -240 AC input and 12V 2.5 A DC output.
Reset Button
The Reset button is used to restore the router to the factory default configuration or to load a custom
configuration file. There are two different ways to do this:
• By pressing the Reset button within 5 seconds of powering up the router.
• By pressing the Reset button for 5 seconds while running IOS software.
Kensington Lock
A Kensington security slot is located on the router back panel. To secure the router to a desktop or other
surface, use the Kensington lockdown equipment.
A Kensington lock feature is placed on the unit in a location acceptable to Cisco product marketing.
SKU Information
Table 1-2 lists the different SKUs for Cisco 800M Series ISR. 4 port SKU and 8 port SKU use the same
PCB.
Table 1-2 Cisco 800M Series ISR SKUs
SKU ID Description
C841M-4X-JAIS/K9 Cisco C841M-4X-JAIS/K9 ISR with 4 port GE LAN and 2
port GE WAN and Cisco Advanced IP Services IOS image.
C841M-4X-JSEC/K9 Cisco C841M-4X-JSEC/K9 ISR with 4 port GE LAN and
2 port GE WAN and Cisco Advanced Security IOS image.
C841M-8X-JAIS/K9 Cisco C841M-8X-JAIS/K9 ISR with 8 port GE LAN and 2
port GE WAN and Cisco Advanced IP Services IOS image.
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