Nextel comm IR1200 manual Diagnostic Port

iR1200 Modem

What’s the	What it means:	How to Resolve:
Problem?

Modem will not	The wiring to the
power up or	modem may not be
down	connected properly.

•Check the ignition sense wiring to be sure that it is connected.

•Verify that the diagnostic port is plugged in correctly.

•Check LED status to see if the modem is communicating.

NOTE: The Status LED remains red for up to 3 minutes after power is applied to the iR1200 or immediately after the Reset button is pressed.

Diagnostic Port

The diagnostic port located on the front panel of the iR1200 modem (see Figure 9 on page 39) is used to retrieve data from the modem that will help to analyze and diagnose possible communication issues.

The following table describes steps to connect to the diagnostic port:

1Insert the 9-pin male end of a serial signal cable into the RS- 232 connector labeled DIAGNOSTIC PORT of the modem’s rear panel and tighten the screws.

2Connect the other end of the serial signal cable to a serial COM port on the back of your computer or mobile device and tighten the screws.

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