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8
PSM/eDRX
For detailed description how PSM works, refer to the dedicate Applicatone Note.
Below there is a simple script that shows how to enter and exit from the PSM mode.
AT+COPS?
+COPS: 0,0,"Telstra Mobile",8
OK
AT+CPSMS?
+CPSMS: 0,,,"01100000","00000000"
// PSM disabled
OK
AT+CPSMS=1,,,"10100011","00100100" // power saving proposed values:
// T3412 = 3 min (<Requested_Periodic-TAU>),
// T3324 = 4 min (<Requested_Active-Time>)
OK
// consider that T3412 is always greater than
// T3324 by definition so the first parameter
// will be probably changed by the network
// the PSM request is sent to the network during the attach procedure or a TAU
// after +CPSMS command is issued the module triggers automatically a TAU in order
// to transfer the PSM request to the network
AT+CPSMS?
+CPSMS: 1,,,"00000001","00100100" // power saving parameters accepted/defined by
// the network: T3412 = 28 min, T3324 = 4 min
another example:
AT+CPSMS=1,,,"00000001","00100100"
// power saving proposed values:
// T3412 = 10 min (<Requested_Periodic-TAU>),
// T3324 = 4 min (<Requested_Active-Time>)
OK
Содержание ME910C1 Series
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