UC864-E Hardware User Guide

1vv0300766a Rev.1 - 31/01/08

11.6 Indication of network service availability

The STAT_LED pin status shows information on the network service availability and Call status.

In the UC864-E modules, the STAT_LED usually needs an external transistor to drive an external LED.

Therefore, the status indicated in the following table is reversed with respect to the pin status.

LED status

Device Status

 

 

Permanently off

Device off

 

 

Fast blinking

Net search / Not registered /

(Period 1s, Ton 0,5s)

turning off

 

 

Slow blinking

Registered full service

(Period 3s, Ton 0,3s)

 

 

 

Permanently on

a call is active

 

 

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Telit Wireless Solutions UC864 manual Indication of network service availability, LED status Device Status