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Table Of Contents
SARA-R4 series-AT commands manual
UBX-17003787 - R16
15Power management
Page 185 of 401
15.3.2Syntax
Type Syntax Response Example
Read AT+UCPSMS? +UCPSMS: <mode>,[<Assigned_
Periodic_RAU>],[<Assigned_GPRS_
READY_timer>],[<Assigned_
Periodic_TAU>],[<Assigned_Active_
Time>],[<Assigned_Periodic_TAU_
Format_Type>]
OK
+UCPSMS: 1,,,"01000011","010000
11",1
OK
15.3.3Defined values
Parameter Type Description
<mode> Number Indication to disable or enable the use of PSM in the UE. Allowed values:
• 0: use of PSM disabled
• 1: use of PSM enabled
<Assigned_Periodic_
RAU>
String Assigned extended periodic RAU (T3312_ext) value allocated to be allocated to the UE
in GERAN/UTRAN, one byte in an 8 bit format. For the coding and the value range, see
the GPRS timer 3 IE in 3GPP TS 24.008 [12]
<Assigned_GPRS_
READY_timer>
String Assigned GPRS READY timer (T3314) value allocated to the UE in GERAN/UTRAN,
one byte in an 8 bit format. For the coding and the value range, see the GPRS timer 3
IE in 3GPP TS 24.008 [12]
<Assigned_Periodic_
TAU>
String One byte in an 8 bit format. Assigned extended periodic TAU value (T3412_ext),
if present, or assigned periodic TAU value (T3412) (if the former is not present)
allocated to the UE in E-UTRAN. The assigned periodic TAU value is coded as
indicated by the <Assigned_Periodic_TAU_Format_Type> parameter. See also 3GPP
TS 23.682 [128], 3GPP TS 23.060 [10] and 3GPP TS 23.401[129].
<Assigned_Active_
Time>
String One byte in an 8 bit format. Assigned Active Time value (T3324) allocated to the UE
in GERAN/UTRAN or in EUTRAN. The assigned Active Time value is coded as one byte
(octet 3) of the GPRS timer 2 information element coded as bit format (e.g. "0010010
0" equals 4 minutes). For the coding and the value range, see the GPRS timer 2 IE in
3GPP TS 24.008 table 10.5.163/3GPP TS 24.008 [12]. See also 3GPP TS 23.682 [128],
3GPP TS 23.060 [10] and 3GPP TS 23.401 [129].
<Assigned_Periodic_
TAU_Format_Type>
Number Coding type for <Assigned_Periodic_TAU> string. Allowed values:
• 0: the assigned periodic TAU value (T3412) is coded as one byte (octet 3) of the
GPRS Timer 2 information element coded as bit format (e.g. "00100100" equals 4
minutes). For the coding and value range, see the GPRS Timer 2 IE in 3GPP TS 24.0
08 table 10.5.163/3GPP TS 24.008 [12].
• 1: the assigned extended periodic TAU value (T3412_ext) is coded as one byte (octet
3) of the GPRS Timer 3 information element coded as bit format (e.g. "01000111"
equals 70 hours). For the coding and value range, see the GPRS Timer 3 IE in 3GPP
TS 24.008 table 10.5.163a/3GPP TS 24.008 [12].
15.3.4Notes
SARA-R404M / SARA-R410M / SARA-N4
• <Assigned_Periodic_RAU> and <Assigned_GPRS_READY_timer> are not supported.
SARA-R410M-01B / SARA-R410M-02B / SARA-R410M-52B / SARA-R412M / SARA-N4
• The <Assigned_Periodic_TAU_Format_Type> parameter is not supported. The <Assigned_Periodic_
TAU> parameter always represents the assigned extended periodic TAU value (T3412_ext) coded as
the octet 3 of a GPRS timer 3. For example, "01000111" equals 70 hours. For more details, see table
10.5.163a/3GPP TS 24.008 [12], 3GPP TS 23.682 [128] and 3GPP TS 23.401 [129].