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Chapter 3
Router Hardware Description
Specifications
Specification
Connector type
Alarm input
Alarm output
Internal Hardware Features
This section describes router hardware features that are integrated into the router and which are not
visible from the router exterior. This section describes the following features:
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Memory
This router supports the three types of memory described in this section.
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Internal GPS Module
The router has an internal Global Positioning System (GPS), which provides precise time and location
location information to the system.
GPS LED
You can view the GPS LED to determine the GPS state and whether or not it is successfully connected
to a GPS satellite. For information on the GPS LED, see the chapter
OL-26438-02
Description
RJ-45
8 volts @ 1 mA
30 volts @ 1 A
Memory, page 3-19
Internal GPS Module, page 3-19
Short-Range Access Point, page 3-20
Real-Time Clock (RTC), page 3-21
Temperature Sensor, page 3-21
SD Flash Memory Module–See the chapter
about the router SD card, which stores the router configuration and system data.
DDR2 SDRAM–The router features 1 GB of double data rate (DDR2) 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.
Using the SD Flash Memory Module
Cisco 1120 Connected Grid Router Hardware Installation Guide
Hardware Features
for information
Router LED Locations and
States.
3-19
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