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Cisco 1240 Connected Grid Router Hardware Installation Guide
OL-26223-04
Chapter 3 Router Hardware Description
Hardware Features Detailed Description
Memory
SD Flash Memory
The router supports a single SD Flash Memory module (SD card), which can be accessed from the router
exterior:
•
For a description of the SD card, see the
“SD Flash Memory Module” section on page 3-16
.
•
For instructions on how to install or remove the SD card, see the
“Using the SD Flash Memory
Module”
chapter.
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.
DC Power for External Devices
The router 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
“Installing External Non-Cisco Modules”
chapter.
•
Pinouts for the Molex Micro-Fit 3.0 connector are in the
“Connector and Cable Specifications”
appendix.
Specifications
GPS Module
The router has an internal Global Positioning System (GPS) module, which receives precise time and
location information from the GPS network, and provides this information to the system software.
This section has information on:
•
GPS LED, page 3-33
•
GPS Specifications, page 3-33
•
Using the CLI to Display GPS Current Time and Location for a Cisco CG-OS Router, page 3-33
Specification
Description
Voltage
12 VDC +/-5%
Maximum Power
12 W (continuous)
DC Power Connector
Molex Micro-Fit 3.0 (4-pin receptacle)