Download DCS WDU models User guide

UC864-E/G/WD/WDU Hardware User Guide
1vv0300766a Rev.4 - 03/02/09
11.10.
Indication of Network Service Availability
The STAT_LED pin status shows information on the network service availability and
Call status. In the UC864-E/G/WD/WDU modules, the STAT_LED usually needs an
external transistor to drive an external LED. Because of the above, the status
indicated in the following table is reversed with respect to the pin status:
LED status
Permanently off
Fast blinking
(Period 1s, Ton 0,5s)
Slow blinking
(Period 3s, Ton 0,3s)
Permanently on
Device Status
Device off
Net search / Not registered /
turning off
Registered full service
a call is active
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved.
Page 63 of 78