Siemens MC35 - Manual (Page 202)

AT Command Set
MC35_ATC_01_V03.02 Page 202 of 228 13.03.2002
Table 10: Operating modes of the ME indicated by status LED (if = 1 ):
LED mode Function
Off MC35 module: ME is off or running in SLEEP, Alarm or
Charge-only mode.
MC35 Terminal: ME is off or in SLEEP mode.
600 ms On / 600ms Off No SIM card inserted or no PIN entered, or network
search in progress, or ongoing user authentication, or
network login in progress.
75 ms On / 3 s Off Logged to network (monitoring control channels and user
interactions). No call in progress.
75 ms on / 75 ms Off / 75 ms On / 3 s Off One or more GPRS contexts activated.
Flashing Indicates GPRS data transfer: When a GPRS transfer is in
progress, the LED goes on within 1 second after data
packets were exchanged. Flash duration is approximately
0.5 s.
On Depending on type of call:
Voice call: Connected to remote party.
Data call: Connected to remote party or exchange of pa-
rameters while setting up or disconnecting a call.