Memory; Dc Power For External Devices; Gps Module - Cisco 1240 Hardware Installation Manual

Chapter 2 Router Hardware Description
D E C . 2 0 1 1 — E F T R E V I E W D R A F T — C I S C O C O N F I D E N T I A L

Memory

SD Flash Memory
See
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
•
•
Specifications
Specification
Voltage
Maximum Power
DC Power Connector

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:
•
OL-12345-01
SD Flash Memory Module, page
For detailed instructions on how to install a non-Cisco module and connect to this DC power
connector, see the chapter
Pinouts for the Molex Micro-Fit 3.0 connector are in the appendix
Specifications.
Run mode—Run mode is the normal GPS operating mode, during which the GPS continually
provides location and time information to the router.
2-16.
Installing Non-Cisco Modules.
Description
12 VDC +/-5%
12 W (continuous)
Molex Micro-Fit 3.0
Cisco 1240 Connected Grid Router Hardware Installation Guide
Hardware Features Detailed Description
Connector and Cable
2-29