Specifications

© 2010 Cypress Solutions Complete Manual: CTM-15X Firmware 1.3.0
Open CTM (Revision D)
20
Operating Your Modem
For Novatel Wireless, Option or other Manufacturer devices:
LED
Description
Solid
Blinking
Off
PWR
Power status of the
device
full operating mode and
able to connect
device is in shutdown
mode
the device has
no power
CELL
status of the device on
the wireless network
device is connected to
the wireless network
N/A
device is not
connected to
the wireless
network
TX/RX
data is being
transmitted or
received
N/A
Data is being transmitted
or received
no data is being
transmitted or
received
GPS
status of the GPS
module or external
GPS device (only
firmware version
R1.3.0 or above)
GPS module or external
GPS device (only
firmware version R1.3.0
or above) has obtained
a valid position fix
GPS module or external
GPS device (only
firmware version R1.3.0
or above) does not have
a valid position fix
3G
indicates the type of
wireless data
connection
N/A
N/A
N/A)
4.5 Making a Wireless Network Connection
The CTM-15X will attempt to connect to the wireless network whenever power is applied, when
configured with cmd mode 2 (default)
If no wireless network connection is available the IP address will be given as 0.0.0.0. This can be queried
using cmd ipadr For Sierra Wireless RF devices, wireless signal strength information can be queried using
cmd rssi. These values for both 1x and EV-DO are given in dBm with range typically -60dBm (very good) to
-105dBm (weak).
With the wireless network connection active you may now open Windows® applications that will make
use of this connection – this includes email, web browsers, and VPN connections.
4.6 GPS Operation
The GPS module in the CTM-15X will continuously track the unit’s position whenever power is applied and
the GPS antenna has a clear view of the sky. The time taken for the module to achieve a valid positional
fix is determined by the previous state of the unit: