3-8
Cisco 1120 Connected Grid Router Hardware Installation Guide
OL-26438-02
Chapter 3 Router Hardware Description
Hardware Features
USB Port
See
Figure 3-4
for the USB port location.
The router features one standard USB 2.0 port for connecting and powering an optional USB peripheral
device.
The USB port operates at the following speeds:
•
1 Mbps
•
12 Mbps
•
480 Mbps
USB Connections
•
Depending on the USB devices you connect to this port, you might require a USB extension cable
to connect devices.
•
To prevent a connected USB device accidental or unauthorized removal from the port, secure any
connected USB device with a locking mechanism designed for this purpose. You must provide any
locking device or mechanism.
Specifications
SD Flash Memory Module
The router supports one Cisco Secure Digital (SD) flash memory module (SD card), which stores router
software, configurations, and network data. For detailed information about the SD card, see the chapter
Using the SD Flash Memory Module
.
Supported SD Cards
Table 3-4
lists the SD cards that the router supports.
Caution
You must use a supported Cisco SD card with the router. Using an unsupported card could impact SD
card reliability and therefore router performance.
Specification
Description
USB Port Type
Type A
USB Device Types Supported
USB 1.1, USB 2.0
Power Output
2.5W (+5V +/-5% @ 500mA) per port
Table 3-4
Supported SD Flash Modules
Size
2-GB flash memory module