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Table Of Contents
SARA-R4 series-AT commands manual
UBX-17003787 - R16
13Packet switched data services
Page 151 of 401
Parameter Type Description
• 5: PSM, network registration, location information and EMM cause
value information URC +CEREG: <stat>[,[<tac>],[<ci>],[<AcT>][,[<cause_type>],
[<reject_cause>][,[<Assigned_Active_Time>,[<Assigned_Periodic_TAU>]]]]]
enabled
Allowed values:
• SARA-R404M / SARA-R410M-01B / SARA-N4 - 0 (default value), 1, 2, 3
• SARA-R410M-02B / SARA-R410M-52B / SARA-R410M-63B / SARA-R410M-73B /
SARA-R410M-83B / SARA-R412M - 0 (default value), 1, 2, 3, 4
SARA-R410M-02B
On SARA-R410M-02B-00 allowed values are: 0 (default value), 1, 2, 3.
<stat> Number EPS registration status:
• 0: not registered
• 1: registered, home network
• 2: not registered, but the MT is currently trying to attach or searching an operator
to register to
• 3: registration denied
• 4: unknown (e.g. out of E-UTRAN coverage)
• 5: registered, roaming
• 8: attached for emergency bearer services only (see 3GPP TS 24.008 [12] and 3GPP
TS 24.301 [68] that specify the condition when the MS is considered as attached
for emergency bearer services)
<tac> String Two bytes tracking area code in hexadecimal format
<ci> String Four bytes E-UTRAN cell-id in hexadecimal format
<AcT> Number Access technology of the serving cell:
• 7: E-UTRAN (see 3GPP TS 44.060 [69] that specifies the System Information
messages which give the information about whether the serving cell supports
EGPRS)
• 8: E-UTRAN EC-GSM-IoT (A/Gb mode)
• 9: E-UTRAN Cat NB1
Allowed values:
• SARA-R412M - 7, 8, 9
• SARA-R410M-01B - 8, 9
• SARA-R410M-02B / SARA-R410M-52B / SARA-R410M-83B - 7, 9
• SARA-R404M / SARA-R410M-63B / SARA-R410M-73B - 7
• SARA-N4 - 9
<cause_type> Number <reject_cause> type:
• 0: indicates that <reject_cause> contains an EMM cause value, see 3GPP TS 24.30
1 [68] Annex A
• 1: indicates that <reject_cause> contains a manufacture-specific cause
Allowed values:
• SARA-R4 / SARA-N4 - 0
<reject_cause> Number Cause of the failed registration. The value is of type as defined by <cause_type>
<Assigned_Active_
Time>
String One byte in an 8 bit format. Assigned Active Time value (T3324) allocated to the UE.
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. "00100100" 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>
String One byte in an 8 bit format. Assigned extended periodic TAU value (T3412_ext)
allocated to the UE. The assigned extended periodic TAU value is coded as one byte
(octet 3) of the GPRS Timer 3 information element coded as bit format (e.g. "01000
111" equals 70 hours). For the coding and the value range, see the GPRS Timer 2 IE in
3GPP TS 24.008 table 10.5.163a/3GPP TS 24.008 [12]. See also 3GPP TS 23.682 [128]
and 3GPP TS 23.401 [129].
<rac_or_mme> String RAC (Routing Area Code) or MME Code (Mobile Management Entity) in hexadecimal
format