User's Manual

DEC. 2011—EFT REVIEW DRAFT—CISCO CONFIDENTIAL
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Cisco 1240 Connected Grid Router Hardware Installation Guide
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Chapter 2 Router Hardware Description
Hardware Features Detailed Description
Memory
SD Flash Memory
See SD Flash Memory Module, page 2-16.
SDRAM
The router features 1 Gb of double data rate (DDR) SDRAM.
Boot Flash
The router features 16 Mb of boot flash memory, consisting of two 8 Mb Serial Peripheral Interface
(SPI) flash devices. The boot flash supports the Common Flash Interface (CFI) standard and CFI
Descriptions should be taken into account when configuring router timeout values for router access
operations, such as erase or program operations.
DC Power for External Devices
The router provides features a 4-pin Micro-Fit 3.0 power connector to support a compatible external
device, such as an optional non-Cisco wireless module installed on the router exterior.
More Information
• For detailed instructions on how to install a non-Cisco module and connect to this DC power
connector, see the chapter
Installing Non-Cisco Modules.
• Pinouts for the Molex Micro-Fit 3.0 connector are in the appendix Connector and Cable
Specifications.
Specifications
GPS Module
The router has an internal Global Positioning System (GPS), which provides time synchronization
throughout the field area network, providing precise to enable efficient power measurement and
distribution. The GPS also provides the router location information to the network management system.
GPS Operating Modes
The router GPS operates in the following modes, based on the router operating status:
• Run mode—Run mode is the normal GPS operating mode, during which the GPS continually
provides location and time information to the router.
Specification Description
Voltage 12 VDC +/-5%
Maximum Power 12 W (continuous)
DC Power Connector Molex Micro-Fit 3.0