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Route and Connect Ignition Cable
Route the Ignition cable using the following diagram as a guideline:
1 Connect the male end of the ignition cable to the 4-prong connector labeled IGNITION on the modem.
2 Connect the free end of the ignition cable to a vehicle circuit that provides 12VDC when the vehicle is
running or in ACC, and no 12VDC when the vehicle is OFF or not in ACC.
Route and Connect Antenna Cable(s)
The following table describes the steps for connecting the antenna cable(s) to the modem:
1 Insert the male end of the modem antenna cable to the connector labeled MODEM ANT on the modem.
2 Insert the male end of the GPS antenna (optional) cable to the connector labeled GPS ANT on the modem.
Route and Connect Data Cable(s)
The iR1200 modem can be connected to the host DTE equipment using standard "straight through" 9-pin male to a 9-pin female
serial cable(s).
The following step describes how to connect the data cable:
1 Connect the 9-pin male end of the cable to the iR1200 MODEM communication connector and the 9 pin
female end of the cable to the data terminal equipment (DTE).
2 Connect the 9-pin male end of the cable to the iR1200 GPS communication connector and the 9 pin
female end of the cable to the data terminal equipment (DTE).
Other Mobile Installation Configurations
Continuous Power Configuration
There is no on/off switch on the iR1200. It is turned on and off through the application of voltage to the ignition sense input,
typically supplied by the vehicle's ignition switch. The Continuous Power Configuration allows the iR1200 to remain on even
when the vehicle ignition is off.
NOTE: You will need to purchase a SPST toggle switch. Please refer to the following table for the specifications of the
required toggle switch for this configuration.
www.telusmobility.com
Figure 7 – Modem Ignition Wiring Diagram
12 VDC SPST Toggle Switch
Switch Feature:
Switch Function:
SPST (Single Pole, Single Throw)
Switch Circuit:
On-Off
Minimum of 20Vdc at a current of 5mA.
Current Rating:
iR1200 Modem
15
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