Gemalto M2M GmbH XT55 사용자 설명서

다운로드
페이지 125
XT55/56 Hardware Interface Description 
Confidential / Preliminary 
s
 
XT55/56_hd_v02.96 
Page 31 of 125 
18.08.2005 
3.3 
Power Up / Down Scenarios 
In general, be sure not to turn on GSM part of the XT55/56 module while it is out of the 
operating range of voltage and temperature stated in Chapters 6.2 and 6.3. The GSM part of 
the XT55/56 would immediately switch off after having started and detected these 
inappropriate conditions. 
 
 
3.3.1 
Turn on the GSM Part of XT55/56 
The GSM part of the XT55/56 can be activated in a variety of ways, which are described in 
the following chapters: 
•  via ignition line GSM_IGT: starts normal operating state (see Chapters 3.3.1.1 and