Sercomm LC4R LTE module User Manual

Sercomm Corporation LTE module

User Manual

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Date Submitted2016-06-15 00:00:00
Date Available2016-07-15 00:00:00
Creation Date2016-06-08 07:56:23
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Document TitleMicrosoft Word - Ninja LTE mini PCIe Module User Guide_V1.6
Document CreatorPScript5.dll Version 5.2.2
Document Author: emlai

Ver 1.6
CONFIDENTIAL
Ninja LTE mini PCIe Module
LC4R
User Guide
Version 1.6
This document contains information of a proprietary nature. ALL INFORMATION CONTAINED
HEREIN SHALL BE KEPT IN STRICT CONFIDENTIAL. None of this information shall be
divulged to persons other than SerComm employees authorized by the nature of their duties to
receive information, or individuals and organizations authorized by SerComm in accordance
with existing policy regarding release of company information.
SerComm Corp.
8F, No. 3-1, YuanQu St.,
Nan-Kang Taipei 115, Taiwan, R.O.C.
CONFIDENTIAL
Change List
Revision
Date
Author
Change descriptions
1.0
2015/10/14
Alex Tu
Initial release
1.1
2015/10/14
Alex Tu
1.2
2015/10/21
Alex Tu
1.3
2015/10/23
Alex Tu
1.4
2015/11/23
Alex Tu
Add CDD ON/OFF
Add NAS enable
Firmware upgrade
Replace 0,0,0 with null after APNNAME in AT+CGDCONT
command
Add more AT commands
1.5
2016/4/1
Alex Tu
Upgrade content update
1.6
2016/6/6
Alex Tu
Add FCC statement
CONFIDENTIAL
Table of Contents
Change List ................................................................................................................................................................................... 2
Table of Contents .......................................................................................................................................................................... 3
1 Product Overview....................................................................................................................................................................... 7
1.1 Introduction ......................................................................................................................................................................... 7
1.2 System Structure ................................................................................................................................................................ 7
1.3 Network structure ................................................................................................................................................................ 8
1.4 Federal Communication Commission Interference Statement ......................................................................................... 10
Radiation Exposure Statement: .................................................................................................................................................. 10
2 DM mode.................................................................................................................................................................................. 12
2.1 Read Band Scan List ........................................................................................................................................................ 12
2.2 Write Band Scan List ........................................................................................................................................................ 12
2.3 Update Non-Volatile .......................................................................................................................................................... 12
2.4 Configure PCI Black List ................................................................................................................................................... 12
2.5 Show PCI Black List.......................................................................................................................................................... 13
3 UCFG commands .................................................................................................................................................................... 14
3.1 Connection Manager Selection ......................................................................................................................................... 14
3.2 PLMN Search Type........................................................................................................................................................... 14
3.3 Set AutoCM Mode............................................................................................................................................................. 14
3.4 Set ATCM Mode ............................................................................................................................................................... 15
3.5 USB Ethernet Interface Enable ......................................................................................................................................... 15
3.6 USB Ethernet Interface Disable ........................................................................................................................................ 15
3.7 USB Ethernet Interface Mode ........................................................................................................................................... 15
3.8 List of PLMN Search Type ................................................................................................................................................ 15
4 AT Commands ......................................................................................................................................................................... 16
4.1 Request information commands ....................................................................................................................................... 16
4.1.1 AT+CGMI
Request manufacture identification ........................................................................................................... 16
4.1.2 AT+CGMM
Request model identification ............................................................................................................... 16
4.1.3 AT+CGMR
Request revision identification ................................................................................................................. 16
4.1.4 AT+CGSN
Request product serial number identification ........................................................................................... 16
4.1.5 AT+CSCS
Request TE character set ......................................................................................................................... 16
4.1.6 AT+CIMI
Request international mobile subscriber identity ........................................................................................ 17
4.2 Network service related commands.................................................................................................................................. 18
4.2.1 AT+COPS
PLMN selection ........................................................................................................................................ 18
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4.2.2 AT+CLCK
Facility lock ................................................................................................................................................ 18
4.2.1 AT+CPWD
Change password .................................................................................................................................... 19
4.2.2 AT+CPOL
Preferred PLMN list................................................................................................................................... 19
4.2.3 AT+CPLS
Selection of preferred PLMN list ............................................................................................................... 21
4.3 Mobile Termination control and status commands ........................................................................................................... 21
4.3.1 AT+CPAS
Phone activity status ................................................................................................................................. 21
4.3.2 AT+CFUN
Set phone functionality ............................................................................................................................. 22
4.3.3 AT+CPIN
Enter PIN .................................................................................................................................................... 22
4.3.4 AT+CPUK
Unblock PIN2 ............................................................................................................................................ 23
4.3.5 AT+CSQ
Signal Quality .............................................................................................................................................. 23
4.3.6 AT+CCLK
Clock ......................................................................................................................................................... 24
4.3.7 AT+CSIM
Generic SIM access................................................................................................................................... 24
4.3.8 AT+CRSM
Restricted SIM access ............................................................................................................................. 25
4.3.9 AT+CLAC
List all available AT commands ................................................................................................................ 26
4.3.10 AT+CPINC
PIN remaining attempt number ............................................................................................................. 26
4.3.11 AT+CPINR
Remaining PIN retries ........................................................................................................................... 27
4.4 Commands for packet Domain ......................................................................................................................................... 27
4.4.1 AT+CGDCONT
Define PDP (Packet Data Protocol) Context .................................................................................... 27
4.4.2 AT+CGDSCONT
Define Secondary PDP Context ..................................................................................................... 29
4.4.3 AT+CGTFT
Traffic Flow Template ............................................................................................................................ 30
4.4.4 AT+CGATT
PS attach or detach ................................................................................................................................ 32
4.4.5 AT+CGACT
PDP Context Activate or Deactivate ..................................................................................................... 33
4.4.6 AT+CGCMOD PDP Context Modify .............................................................................................................................. 33
4.4.7 AT+CGDATA
Enter data rate .................................................................................................................................... 33
4.4.8 AT+CGPADDR
Show PDP (IP) address .................................................................................................................... 34
4.4.9 AT+CGEREP
Packet Domain event reporting ........................................................................................................... 34
4.4.10 AT+CEREG
EPS network registration status.......................................................................................................... 35
4.4.11 AT+CGCONTRDP
PDP Context Read Dynamic Parameters ................................................................................ 36
4.4.12 AT+CGSCONTRDP
4.4.13 AT+CGTFTRDP
4.4.14 AT+CGEQOS
Secondary PDP Context Read Dynamic Parameters............................................................ 37
Traffic Flow Template Read Dynamic parameters ....................................................................... 37
Define EPS Quality of Service .......................................................................................................... 39
4.4.15 AT+CGEQOSRDP EPS Quality of Service Read Dynamic Parameters .................................................................... 40
4.5 SMS Commands ............................................................................................................................................................... 41
4.5.1 AT+CSMS ...................................................................................................................................................................... 41
4.5.2 AT+CPMS ...................................................................................................................................................................... 41
4.5.3 AT+CMGF ...................................................................................................................................................................... 41
4.5.4 AT+CSCA ...................................................................................................................................................................... 41
4.5.5 AT+CSMP ...................................................................................................................................................................... 42
CONFIDENTIAL
4.5.6 AT+CMGL ...................................................................................................................................................................... 42
4.5.7 AT+CMGR ..................................................................................................................................................................... 44
4.5.8 AT+CMGS...................................................................................................................................................................... 44
4.5.9 AT+CMSS ...................................................................................................................................................................... 45
4.5.10 AT+CMGW................................................................................................................................................................... 45
4.5.11 AT+CMGD ................................................................................................................................................................... 45
4.5.12 AT+CMGC ................................................................................................................................................................... 46
5 Other commands ..................................................................................................................................................................... 47
5.1 CDD .................................................................................................................................................................................. 47
5.1.1 CDD ON (2 Tx) .............................................................................................................................................................. 47
5.1.2 CDD OFF (1 Tx)............................................................................................................................................................. 47
5.2 Q Log Message................................................................................................................................................................. 48
5.2.1 PERF: CPU Usage Profile ............................................................................................................................................. 48
5.2.2 FRAME: LTE Radio Frame Information ......................................................................................................................... 49
5.2.3 RF: RF Metric ................................................................................................................................................................. 49
5.2.4 CHAN: Channel Information .......................................................................................................................................... 50
5.2.5 MEAS: Measurement Result of a Serving Cell .............................................................................................................. 51
5.2.6 NMEAS: Measurement Result of a Neighbor Cell ......................................................................................................... 52
5.2.7 L1D: PHY DL statistics................................................................................................................................................... 52
5.2.8 L1U: PHY UL Statistics .................................................................................................................................................. 55
5.2.9 MCS: DL/UL MCS statistics ........................................................................................................................................... 56
5.2.10 CSI: Channel State Information ................................................................................................................................... 57
5.2.11 TP: Throughput Statistics ............................................................................................................................................ 58
5.2.12 MAC ............................................................................................................................................................................. 58
5.2.13 RLC .............................................................................................................................................................................. 58
5.2.14 DP: Data-path statistics ............................................................................................................................................... 59
5.2.15 CIP: Cipher Integrity Statistics ..................................................................................................................................... 59
5.3 NAS Protocol Binary Decode ............................................................................................................................................ 60
5.3.1 Install decoder ................................................................................................................................................................ 60
5.3.2 Copy NAS Data.............................................................................................................................................................. 60
5.3.3 Paste to Decoder ........................................................................................................................................................... 60
6 Network Connection Examples ................................................................................................................................................ 61
6.1 Auto connection (Three bands) ........................................................................................................................................ 61
6.2 Auto connection (One band, B41 for example) ................................................................................................................ 61
6.3 Manual Connection (Three bands) ................................................................................................................................... 61
6.4 Manual Connection (One band only) ................................................................................................................................ 62
6.5 Disconnect ........................................................................................................................................................................ 62
CONFIDENTIAL
6.6 Get IP Address.................................................................................................................................................................. 62
7 FW Upgrade ............................................................................................................................................................................. 63
7.1 Using JIG board or CPE board ......................................................................................................................................... 63
CONFIDENTIAL
1 Product Overview
1.1 Introduction
LC4R module uses GCT GDM7243Q chipset which is a wireless LTE FDD/TDD solution. The
chipset inside the module owns a dual core CPU. One of CPU (ARM1) is designed to run LTE
modem job; the other CPU (ARM0) is designed for router or other application.
In order to get full control, GCT designs three kinds of command sets.
AT commands : 3GPP standard compatible commands to control network connection
DM commands : GCT proprietary commands for calibration and NVM configuration
UCFG commands : GCT proprietary application that manages LTE NVM (Non-Volatile
Memory) block used as command based interface at GDM7243 Linux kernel environment.
We will use them for different purposes.
1.2 System Structure
Figure 1: Device Application for CPE
From above diagram, there is an UCM (Unify Connection Manager) application running in ARM0
for connnection function. To simply dial process, using it is good suggestion, and AT commands are
required. If more specific dial requirement required, DM/UCFG commands are needed.
CONFIDENTIAL
1.3 Network structure
GDM7243M network block diagram
LC4R chipset, GDM7243Q, doesn’t have WiMAX function. MII ETH is not used either due to mini
PCIe form factor, so usb0 is the only interface for network communication.
When NAT is enabled, notebook/PC will get IP from DHCP server on br0 interface, it will be like
192.168.0.10. br0 IP is 192.168.0.1. ltepdn0 IP can be retrieved by AT command or DM command Host
Interface.
LC4R uses USB 2.0 for data communication. USB interface need to be enabled and usb
mode need to be configured for different condition.
Connect to test board and Windows PC
Connect to Linux OS
Auto or RNDIS mode
CDC-EEM or CDC-ECM mode
ACM port is a virtual port on USB for AT command access only. We suggested using this
interface for AT command because there is no console dump data which mixes with AT
command response. Device can be found at /dev/ttyACM0.
CONFIDENTIAL
Modem control and monitor are done by UART which is defined in reserved pin 17 & 19 of
mini PCIe interface. UART0_TXD and UART0_RXD voltage is 1.8V. Default baud rate is
921600/n/8/1. If CPE board baud rate cannot support such high bit rate, reducing baud rate is
doable from UART at boot loader mode or by pre-configuration.
To update UART port baudrate, go to boot loader (reboot and press enter key during booting), and follow the
commands to update new value. Reboot is still required to take new baudrate working.
CONFIDENTIAL
1.4 Federal Communication Commission Interference Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) this device must accept any interference received, including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
FCC Caution:
Any changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate this equipment.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment
should be installed and operated with minimum distance 20cm between the radiator & your body.
This device is intended only for OEM integrators under the following conditions:
1)
The antenna must be installed such that 20 cm is maintained between the antenna and
users, and the maximum antenna gain allowed for use with this device is 4 dBi for B25/B41 and 1 dBi for B26.
2)
The transmitter module may not be co-located with any other transmitter or antenna.
As long as 2 conditions above are met, further transmitter test will not be required. However, the OEM integrator is still
responsible for testing their end-product for any additional compliance requirements required with this module installed
IMPORTANT NOTE: In the event that these conditions can not be met (for example certain laptop configurations or colocation with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID can not be
used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end
product (including the transmitter) and obtaining a separate FCC authorization.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm may
be maintained between the antenna and users. The final end product must be labeled in a visible area with the
following: “Contains FCC ID: P27LC4R”. The grantee's FCC ID can be used only when all FCC compliance
requirements are met.
Manual Information To the End User
10
CONFIDENTIAL
The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this
RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all
required regulatory information/warning as show in this manual.
11
CONFIDENTIAL
2 DM mode
When system boots up, ”DM>” prompt will be seen, then DM mode is active. Some of commands
will be introduced in the following section.
2.1 Read Band Scan List
Command
nv bcfgr  
Response
0000000000000000000
0000000000000
OK
Example: nv bcfgr 49 0
2.2 Write Band Scan List
Command
nv bcfgw   
Example: nv bcfgw 49 0 41 25 26
Response
OK
2.3 Update Non-Volatile
Command
nv bcfgsv 
Example: nv bcfgsv 1
Response
OK
2.4 Configure PCI Black List
This command sets cell black list.
Command
rrc dm cell block [[ ]]
rrc dm cell block < 'a' or 'd'> [[  ]]
'a' : add a cell to the list
'd' : delete a cell from the list
start pci : low PCI of the range
end pci : high PCI of the range
Notice: total 48 records
Example: rrc dm cell block a 39650 0 100
rrc dm cell block d 39650 0 100
12
Response
CONFIDENTIAL
2.5 Show PCI Black List
Command
rrc dm cell block ?
Cell Black List : 2 (use SIB9:0)
>> earfcn: 39950, pci: 0 ~ 100
>> earfcn: 38950, pci: 0 ~ 100
Response
13
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3 UCFG commands
UCFG application needs to be run at Linux kernel. To go to Linux shell, type shell from DM>,
Type “exit” to return DM> mode from Llinux shell mode
3.1 Connection Manager Selection
Command
ucfg set config wan lte vendor 
 :
0 None
1 lteautocm
Response
vendor=
3.2 PLMN Search Type
Command
ucfg set config wan lte plmn_search_type 
 :
0 PLMN Search
1 PLMN Search with band
2 PLMN Extension Search
Response
vendor=
3.3 Set AutoCM Mode
To set lteautocm operation mode. If manual connection is designed, manual mode of lteaucm is used
Command
Response
ucfg set config wan lte autocm manual 
vendor=
 :
0 Auto
1 Manual
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3.4 Set ATCM Mode
To set atcm mode about PDN connect
Command
ucfg set config wan lte atcm use_autocm_req 
 :
0 By itself
1 Request to lteautocm
Response
vendor=
3.5 USB Ethernet Interface Enable
Command
ucfg set config lan usbeth ENABLE 1
Response
ENABLE=1
3.6 USB Ethernet Interface Disable
Command
ucfg set config lan usbeth ENABLE 0
Response
ENABLE=0
3.7 USB Ethernet Interface Mode
Command
ucfg set config lan usbeth mode 
 :
Auto Detect (Default)
RNDIS
CDC-EEM
CDC-ECM
Response
mode=
3.8 List of PLMN Search Type
Command
Response
ucfg set plmn search_list <[type]/[number]/[value]... [type]/[number]/[value]> mode=0
[type] : the type of PLMN Search
1 MRU Search
2 Earfcn Search
3 Band Search
4 Sarfcn Range Search
[number] : the count of each PLMN Search type, Max of number is 5
While type=1, means The count of MRU Search
While type=2, means The number of earfcn
While type=3, means The number of Band
While type=4, means The number of Earfcn range
[value] : value of each PLMN Search type
1 N/A
2 /earfcn_1/earfcn_2/...../earfcn_[number]
3 /band_1/band_2..../band_[number]
4 /start_earfcn_1/end_earfcn1/...../start_earfcn_[number]/end_earfcn_[number]
15
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4 AT Commands
AT commands can be accessed from UART port and ACM port.
4.1 Request information commands
4.1.1 AT+CGMI
Request manufacture identification
This command gets the manufacture identification
Command
+CGMI
Response

+CME ERROR: 
Value
GCT
+CGMI=?
4.1.2 AT+CGMM Request model identification
This command gets the model identification
Command
Response
Value
+CGMM

GDM7243R0
+CME ERROR: 
+CGMM=?
- : The value will be updated to GDM7243Q in next FW release.
4.1.3 AT+CGMR Request revision identification
This command gets the revision identification
Command
Response
+CGMR

+CME ERROR: 
+CGMR=?
4.1.4 AT+CGSN
Request product serial number identification
This command gets the serial number identification
Command
Response
+CGSN

4.1.5 AT+CSCS
Value
FW_VER: 0.2.65.1
Value
IMEI
Request TE character set
Command
+CSCS=[]
+CSCS?
+CSCS=?
Response
Value
+CSCS:
+CSCS: (list of supported s)
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CONFIDENTIAL
4.1.6 AT+CIMI
Command
+CIMI
Request international mobile subscriber identity
Response

+CME ERROR: 
Value
+CIMI=?
- : Interational Mobile Subscriber Identity (string without double quote)
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CONFIDENTIAL
4.2 Network service related commands
4.2.1 AT+COPS
PLMN selection
Forces an attemp to select and register the GSM/UMTS network operator
Command
Possible Response
+COPS=?
+COPS: ([list of supported ,long alphanumeric
 ,short alphanumeric  ,numeric
[,] )s][,,(list of supported s),(list
of supported  s)]
+CME ERROR:
+COPS?
+COPS: [,,[,]]
+COPS=[[,format>[,]]]
- : Availability of operator
0 unknown
1 available
2 current
3 forbidden
- : Shows the operator identity in the format set by 
- : Registration mode
0 automatic ( field is ignored)
1 manual ( field shall be present, and  optionally)
2 deregister from network
3 set only  (for read command AT+COPS?), do not attempt registration / deregistration ( field is ignored); this value is not applicable in read command
response
4 manual/automatic ( field shall be present); if manual selection fails, automatic
mode =0) is entered
5 manual (use plmn extension list)
- : Format of  reports
0 long format alphanumeric 
1 short format alphanumeric 
2 numeric 
4.2.2 AT+CLCK
Facility lock
18
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4.2.1 AT+CPWD Change password
4.2.2 AT+CPOL
Preferred PLMN list
19
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20
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4.2.3 AT+CPLS
Selection of preferred PLMN list
4.3 Mobile Termination control and status commands
4.3.1 AT+CPAS
Phone activity status
21
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4.3.2 AT+CFUN
Set phone functionality
4.3.3 AT+CPIN
Enter PIN
22
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4.3.4 AT+CPUK
Unblock PIN2
4.3.5 AT+CSQ
Signal Quality
23
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4.3.6 AT+CCLK
Clock
4.3.7 AT+CSIM
Generic SIM access
24
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4.3.8 AT+CRSM
Restricted SIM access
25
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4.3.9 AT+CLAC
List all available AT commands
4.3.10 AT+CPINC PIN remaining attempt number
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4.3.11 AT+CPINR Remaining PIN retries
4.4 Commands for packet Domain
4.4.1 AT+CGDCONT
Define PDP (Packet Data Protocol) Context
Specifies PDP context parameter values for a PDP context identified by the (local) context
identification parameter, .
- [set command]
: specifies PDP context parameter values for a PDP context identified by the (local) context
identification parameter, .
: a special form of the set command, +CGDCONT= causes the values for context
number  to become undefined.
- [read command]
: returns the current settings for each defined context.
- [test command]
: returns values supported as a compound value.
Command
+CGDCONT=[[,[,[,
[,[,[,[,[,[,]]]]]]]]]]
+CGDCONT?
Response
OK
ERROR
+CGDCONT: ,,,,,[,[,[,[,]]]][+CGDCONT:
,,,,,
[,[,[,[,]]]][...]]
+CGDCONT: (range of supported
s),,,,(list of supported
s),(list of supported s),(list of
supported s),(list of supported
s),(list of supported s),(list of supported
s)
[+CGDCONT: (range of supported
s),,,,(list of supported
s),(list of supported s),(list of
supported s),(list of supported
s),(list of supported s),(list of supported
s)
[...]]
- : numeric; specifies a particular PDP context definition.
- : string; specifies the type of packet data protocol
X.25 : ITU-T/CCITT X.25 layer 3 (Obsolete)
IP : Internet Protocol
IPV6 : Internet Protocol, version 6
IPV4V6 : Virtual  introduced to handle dual IP stack UE capability.
OSPIH : Internet Hosted Octect Stream Protocol (Obsolete)
PPP : Point to Point Protocol (IETF STD 51)
- : string; a logical name that is used to select the GGSN or the external packet data network
-  for EPS, this field is omitted.
- : numeric; controls PDP data compression.
0 - off (default if value is omitted)
1 - on (manufacturer preferred compression)
2 - V.42bis
3 - V.44
Other values are reserved.
- : numeric; controls PDP header compression.
0 - off (default if value is omitted)
1 – on (manufacturer preferred compression)
2 - RFC1144 (applicable for SNDCP only)
3 - RFC2507
4 - RFC3095 (applicable for PDCP only)
Other values are reserved.
- : numeric; controls how the MT/TA requests to get the IPv4 address information
0 - IPv4 Address Allocation through NAS Signaling (default if omitted)
1 - IPv4 Address Allocated through DHCP
- : a numeric parameter used to indicate whether the PDP context is for emergency bearer
services or not.
0 PDP context is not for emergency bearer services
- : a numeric parameter influences how the MT/TA requests to get the P-CSCF address, see
3GPP TS 24.229 [89] annex B and annex L.
0 Preference of P-CSCF address discovery not influenced by +CGDCONT
1 Preference of P-CSCF address discovery through NAS Signalling
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2 Preference of P-CSCF address discovery through DHCP
- : a numeric parameter used to indicate to the network whether the PDP context is for
IM CN subsystem-related signalling only or not.
0 UE indicates that the PDP context is not for IM CN subsystem-related signalling only
4.4.2 AT+CGDSCONT
Define Secondary PDP Context
29
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4.4.3 AT+CGTFT Traffic Flow Template
30
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31
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4.4.4 AT+CGATT PS attach or detach
32
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4.4.5 AT+CGACT PDP Context Activate or Deactivate
Activate or deactivate the specified PDP context(s).
- [execution command]
: activate or deactivate the specified PDP context(s). : is a numeric parameter which specifies a
particular PDP context definition.
- [read command]
: returns the current Packet Domain service state.
- [test command]
: requests information on the supported PDP context activation states
Command
+CGACT=,
Response
OK
ERROR
+CGACT: ,  [+CGACT:
,
[…]]
+CGACT: (list of supported s)
+CGACT?
+CGACT=?
- : indicates the state of PS attachment
0 – deactivated
1 – activated
other values are reserved and will result in an ERROR response to the execution command
- : numeric; specifies a particular PDP context definition.
4.4.6 AT+CGCMOD PDP Context Modify
4.4.7 AT+CGDATA
Enter data rate
33
CONFIDENTIAL
4.4.8 AT+CGPADDR
Show PDP (IP) address
4.4.9 AT+CGEREP
Packet Domain event reporting
34
CONFIDENTIAL
4.4.10 AT+CEREG
EPS network registration status
Reports changes in network registration
- [set command]
: controls the presentation of an unsolicited result code when there is a change in the MT's EPS network
registration status.
- [read command]
: returns the status of result code presentation and an integer  which shows whether the network has
currently indicated the registration of the MT
- [test command]
: list of supported s
Command
+CEREG=
+CEREG?
+CEREG=?
Response
OK
ERROR
+CEREG: ,[,,,[,]]
+CME ERROR: 
+CEREG: (list of supported s)
-: numeric;
0 disable network registration unsolicited result code
1 enable network registration unsolicited result code +CEREG: 
2 enable network registration and location information unsolicited result code +CEREG:
[,,,[,]]
-: numeric; EPS registration status
0 not registered, MT is not currently searching an operator to register to
1 registered, home network
2 not registered, but MT is currently trying to attach or searching an operator to register to
3 registration denied
4 unknown
5 registered, roaming
-: string; two byte location area code or tracking area code in hexadecimal format (e.g. "00C3" equals 195 in
decimal).
-: string; one byte routing area code in hexadecimal format (e.g. "1C" equals 28 in decimal). If no routing area
code is applicable, "00" (equals 00 in decimal) is provided.
-: string; four byte GERAN/UTRAN/E-UTRAN cell ID in hexadecimal format.
-: numeric; access technology of the registered network
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0 GSM
1 GSM Compact
2 UTRAN
3 GSM w/EGPRS
4 UTRAN w/HSDPA
5 UTRAN w/HSUPA
6 UTRAN w/HSDPA and HSUPA
7 E-UTRAN
4.4.11 AT+CGCONTRDP
PDP Context Read Dynamic Parameters
- [execution command]
: returns the relevant information , , , , ,
, ,  and  for a non secondary PDP
Context established by the network with the primary context identifier 
: If the parameter  is omitted, the relevant information for all established PDP contexts are returned
- [test command]
: returns a list of s associated with active contexts
Command
+CGCONTRDP=[]
+CGCONTRDP=?
Response
+CGCONTRDP: , , [,
, [, [,
[, [,
[, ]]]]]]
[+CGCONTRDP: ,
,
[, , [,
[,
[, [,
[, ]]]]]]
[…]]
+CGCONTRDP: (list of s associated
- : numeric; specifies a particular non secondary PDP context definition. The parameter is local to the TE-MT
interface and is used in other PDP context-related commands.
- : numeric; identifies the bearer, EPS Bearer in EPS and NSAPI in UMTS/GPRS.
- : string; a logical name that was used to select the GGSN or the external packet data network.
- : string; shows the IP Address of the MT. The string is given as dot-separated numeric (0-255) parameters
on the form:
"a1.a2.a3.a4" for IPv4 or
"a1.a2.a3.a4.a5.a6.a7.a8", for IPv6.
If the MT has dual stack capabilities the string shows first the dot separated IPv4 Address
followed by the dot separated IPv6 Global Prefix Address. The IPv4 address and the IPv6
address parameters are separated by space:
"a1.a2.a3.a4 a1:a2:a3:a4:a5:a6:a7:a8"
- : string; shows the subnet mask for the IP Address of the MT. The string is given as dot-separated
numeric (0-255) parameters.
If the MT has dual stack capabilities the string shows the dot separated IPV4 subnet mask
followed by the dot separated IPV6 subnet mask. The subnet masks are separated by space.
- : string; shows the Gateway Address of the MT. The string is given as dot-separated
numeric (0-255) parameters
If the MT has dual stack capabilities the parameter shows first the dot separated IPV4 Gateway
address followed by the dot separated IPV6 Gateway Address. The gateway addresses are
separated by space.
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- : string; shows the IP Address of the primary DNS Server. If the MT has dual
stack capabilities the parameter shows first the dot separated IPV4 Address, followed by the dot
separated IPV6 Address of DNS Server.
- : string; shows the IP address of the secondary DNS Server. If the MT has dual
stack capabilities the parameter shows first the dot separated IPV4 Address, followed by the dot
separated IPV6 Address of DNS Server.
- : string; shows the IP Address of the primary P-CSCF Server. If the MT
has dual stack capabilities the parameter shows first the dot separated IPV4 Address, followed
by the dot separated IPV6 primary Address of P-CSCF Server.
- : string; shows the IP Address of the secondary P-CSCF Server. If the MT has
dual stack capabilities the parameter shows first the dot separated IPV4 Address, followed by
the dot separated IPV6 Address of P-CSCF Server.
4.4.12 AT+CGSCONTRDP
4.4.13 AT+CGTFTRDP
Secondary PDP Context Read Dynamic Parameters
Traffic Flow Template Read Dynamic parameters
37
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4.4.14 AT+CGEQOS
Define EPS Quality of Service
39
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4.4.15 AT+CGEQOSRDP EPS Quality of Service Read Dynamic Parameters
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4.5 SMS Commands
4.5.1 AT+CSMS
4.5.2 AT+CPMS
4.5.3 AT+CMGF
4.5.4 AT+CSCA
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4.5.5 AT+CSMP
4.5.6 AT+CMGL
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43
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4.5.7 AT+CMGR
4.5.8 AT+CMGS
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4.5.9 AT+CMSS
4.5.10 AT+CMGW
4.5.11 AT+CMGD
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4.5.12 AT+CMGC
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5 Other commands
5.1 CDD
5.1.1 CDD ON (2 Tx)
1. Run the command in shell mode, mount -o remount,rw /
2.Edit script file, vi etc/sysconfig/script/lte_init_script.sh
3.Update mode, chmod +x /etc/sysconfig/script/lte_init_script.sh
4. write "l1u t cdd 1 4" , save file, and reboot
5.1.2 CDD OFF (1 Tx)
Update etc/sysconfig/script/lte_init_script.sh with "l1u t cdd 0 4" and save file, reboot.
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5.2 Q Log Message
There are three text-DM modes when q log command uses, DM>q 0/1/2.
Interactive mode (q 0) Logging is disabled but command line interface is enabled.
Logging mode (q 1) Logging is enabled but command line interface is disabled.
Verbose mode (q 2) Both logging and CLI are enabled.
To enable NAS protocol dump, type DM>dbg nas* -1 before q log command.
5.2.1 PERF: CPU Usage Profile
Example: PERF : C(88.4/0.9/7.4/3.3) I(4101) M(H:10.0/2MB P:0.4/0.5/0.1/0.1/2MB)
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5.2.2 FRAME: LTE Radio Frame Information
Example: FRAME: CONNECTED CAT5 TDD(2:7,N) Pos=(38245,38247,38247,38247) STI=836
5.2.3 RF: RF Metric
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CONFIDENTIAL
Example: RF : E(39850,39850) B41 F25160 AFC(R,0:-182:34,-160,H,0x409)
AGC(N,0x53:50:55,0x5f:5a:61,0x60:5d:61,0x6b:66:6d) ACI=0
5.2.4 CHAN: Channel Information
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Example: CHAN : 20MHz #A2 TM2 PCI=501 DS(S,96,0,0,0/0.3,0.3) ACE(I) FIB(-1:0:0:-1) CS(17:17:17:16)
5.2.5 MEAS: Measurement Result of a Serving Cell
Example: MEAS : CINR(32.1,33.6) RSRP(-75.2,-81.3) RSSI(-49.3,-55.5) RSRQ(-5.9,-5.8)
CINR(33.9,32.2) RSRP(-80.2,-87.3) RSSI(-54.3,-61.5) RSRQ(-5.9,-5.8)
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5.2.6 NMEAS: Measurement Result of a Neighbor Cell
Example: NMEAS: {39850,501,-75.0,-6.0}
5.2.7 L1D: PHY DL statistics
52
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53
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Example: L1D : DCI0=3 DCI={1A(0/3)}{} BLER(0/3,0/0) Dup(0,0) HI(0/4) CFI(796:3:1:0) TB(0,0) TP=1K
Layer-Map={1C1L=3,1C2L=0,2C2L=0,2C3L=0,2C4L=0}
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5.2.8 L1U: PHY UL Statistics
55
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Example: L1U : PUSCH(4)={2(0/3),7(0/1)} PRACH=1 ACK(0/3,0/0) DTX(9,12) PWR(-54.0,-23.3,-48.0,-,-28.1)
5.2.9 MCS: DL/UL MCS statistics
Example: MCS : DL={0(0/2),5(0/1)} UL={8(0/4)} PMCH={}
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5.2.10 CSI: Channel State Information
Example: CSI : RM(0,10,0,0) A30(0/0/0) P10(10/10/10) RI(0,0,0,0) PMI={}
CQI={15(10)}{}
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5.2.11 TP: Throughput Statistics
Example: TP : PHY(1K:1K) MAC(1K:1K) RLC(84:79) PDCP(75:73) DIM() IPC(0:0)
5.2.12 MAC
Example: MAC : [S] PDU=D{4},U{3}, CE=D{CR1,PAD(0/3)},U{PHR2,BSR(0/3/1),SR(0/2),PAD(0/3)}, I{0,0,0}
[S:0] PDU=D{1},U{2}
[S:1] PDU=D{2},U{3}
[R] RA{0/1}, CE{0,1}, CR{0,0,0}
5.2.13 RLC
Example: RLC : [0] PDU=D{T1},U{T1}
[1] PDU=D{A1,C1},U{A0/2,C1}, I{0,0,1,0}, STATE=D{1,1},U{2,2}
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5.2.14 DP: Data-path statistics
Example: DP : RLC=D0{DC0,AF0,UF0} IPC=D{F0,M0,T0},U{A0,M0,T0}
5.2.15 CIP: Cipher Integrity Statistics
Example: CIP : S=0 DL(0,0) UL(0,0) DI(0,0,0) DO(0,0,0) UI(0,0,0) UO(0,0,0) B(0)
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5.3 NAS Protocol Binary Decode
5.3.1 Install decoder
Install 3GPP message decoder
5.3.2 Copy NAS Data
Copy NAS protocol binary string
5.3.3 Paste to Decoder
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6 Network Connection Examples
6.1 Auto connection (Three bands)
Step
command
DM> nv bcfgw 49 0 41 25 26
DM> nv bcfgsv 1
DM>shell
#ucfg set config wan lte vendor 1
#ucfg set config wan lte autocm manual 0
#ucfg set config wan lte atcm use_autocm_req 1
#ucfg set config wan lte apntable apn3 ENABLE 1
#ucfg set config wan lte apntable apn3 apn_name 
#reboot
Description
Write band number into scan list
Write NVRAM back to flash
Enter shell mode
Connection manager, lteautocm
Lteautocm chooses Auto mode
Request to lteautocm
Enable APN3
Update correct APN, default is
internet
6.2 Auto connection (One band, B41 for example)
Step
command
DM> nv bcfgw 49 0 41
DM> nv bcfgsv 1
DM>shell
#ucfg set config wan lte vendor 1
#ucfg set config wan lte autocm manual 0
#ucfg set config wan lte atcm use_autocm_req 1
#ucfg set config wan lte apntable apn3 ENABLE 1
#ucfg set config wan lte apntable apn3 apn_name 
#reboot
Description
Write band number 41
Write NVRAM back to flash
Enter shell mode
Connection manager, lteautocm
Lteautocm chooses Auto mode
Request to lteautocm
Enable APN3
Update correct APN, default is
internet
6.3 Manual Connection (Three bands)
Step 1 is to configure required information
Step
command
DM> nv bcfgw 49 0 41 25 26
DM> nv bcfgsv 1
DM>shell
#ucfg set config wan lte vendor 0
#ucfg set config wan lte atcm use_autocm_req 0
#ucfg set config wan lte plmn_search_type 2
#ucfg set plmn search_list 3/3/41/25/26
#reboot
61
Description
Write band number into scan list
Write NVRAM back to flash
Enter shell mode
Connection manager, None
By itself
Search with extension mode
Assign scan band to scan list
CONFIDENTIAL
Step 2 is using AT commands to enable modem dial up action
Step
command
DM>AT+CGDCONT=1,"IPV4V6","APNNAME","",,,
DM>AT%GPDNTYPE=1,3
DM>AT+CGACT=1,1
DM>AT+COPS=5
Description
APNNAME need to change to
your network internet APN
name, like ”internet”
Choose APN 3 for internet
Choose search extension
mode
Attached to network
6.4 Manual Connection (One band only)
Step 1 is to configure required information
Step
command
DM> nv bcfgw 49 0 41
DM> nv bcfgsv 1
DM>shell
#ucfg set config wan lte vendor 0
#ucfg set config wan lte atcm use_autocm_req 0
#ucfg set config wan lte plmn_search_type 2
#ucfg set plmn search_list 3/1/41
#reboot
Step 2 is using AT commands to enable modem dial up action
Step
command
DM>AT+CGDCONT=1,"IPV4V6","APNNAME","",,,
DM>AT%GPDNTYPE=1,3
DM>AT+COPS=5
DM>AT+CGACT=1,1
Description
Write band number B41 into
scan list
Write NVRAM back to flash
Enter shell mode
Connection manager, None
By itself
Search with extension mode
Assign scan band to scan list
Description
APNNAME need to change to
your network internet APN
name, like ”internet”
Choose APN 3 for internet
Choose search extension
mode
Attached to network
6.5 Disconnect
Step
command
Description
Deactivate ”1” PDP context
DM>AT+CGACT=0,1
6.6 Get IP Address
Step
command
Description
AT+CGCONTRDP=3?
Cid=3
Response: AT+CGCONTRDP:
3,6,"internet.lguplus.co.kr","10.118.177.89","10.0.0.166","211.40.215.140","117.111.29.4","","",0
OK
Note: ipaddr:10.118.177.879, gateway:10.0.0.166, dns1:211.40.215.140, dns2:117.111.29.4
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7 FW Upgrade
7.1 Using JIG board or CPE board
If JIP board is used, GCT LTE window driver and ACM driver are required to
install first. When connected PC get IP, 192.168.0.10, from JIG board USB port,
GDM7243Q module GUI can be accessed by http://192.168.0.1. Click continuous the
web site link to go to main page.
If using CPE board, access GCT module by http://192.168.0.1
Select Firmware update from System Link and Select file from filename 1, click update button. For xxx.gz file,
RAW Format shall be selected; for xxx.bin, Package Format selected instead.
LTE version can be seen from LTE Status page.
63
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