User's Manual

LE940B6 Hardware User Guide
1VV0301331 Rev. 1.8 - 2017-03-15
Reproduction forbidden without written authorization by Telit Communications S.p.A. - All Rights Reserved
Telit Confidential Information, provided under NDA Page
82 of 104
9. Miscellaneous Functions
9.1. Indication of Network Service Availability
The STAT_LED pin status shows information on the network service availability and call status.
In the LE940B6 module, the STAT_LED usually needs an external transistor to drive an external
LED.
The status indicated in Table 34 is configurable. Refer to Ref 1: LE940B6 AT Command Reference
Guide for the full description of this function.
Table 34: Network Service Availability Indication
LED Status Device Status
Permanently off Device off
Fast blinking (Period depends on network condition) Registered with power saving
Slow blinking (Period 3s, T
on
1s) Registered with full service
Permanently on A call is active
Figure 20: Status LED circuit example