User Manual

GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 5 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 62 of 68
12 Indication of network service availability
The STAT_LED pin status shows information on the network service availability and Call status. The
pin is an Open Collector output where it is possible to directly connect a LED to show information on
the network service availability and Call status.
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
(period 1s, Ton 0,5s)
Net search / Not registered / turning off
slow blinking
(period 3s, Ton 0,3s)
Registered full service
permanently on a call is active