MTD2000 AT Command Guide R12
Confidential
DAVISCOMMS (S) PTE LTD
16 /105
5
System Code
5.1 MTD System Code
Data Dump
1001
Data dump started
1002
Data dump completed
1003
No logged data in the memory
1004
Data dump not allowed while logging is in progress
AT Command
2001
Command input buffer is full
2002
Invalid command
2003
Invalid parameter
General
2101
Memory full for data log
2102
Data dump stopped due to communication link down
2103
Not allow to retrieve all settings via SMS due to large amount of data
2104
Device shutdown due to low battery
2105
Stop battery charging due to low external voltage
or no battery connected
2106
Resume battery charging when low external voltage goes up
Input / Output
2201
Invalid input port
2202
Invalid output port
Send Report
2301
Network channel is not established to send report
2302
SMS number is not defined to send report
2303
Fail to send report via SMS
Network Connection
2401
New network connection not allowed until the existing connection is closed
2402
Network disconnection not allowed while data dump is in progress
OTA Firmware Upgrade
2501
Download complete and upgrade start
2502
Fail to download
2503
Invalid GPRS profile
2504
Invalid FTP URL
2505
Invalid user name
2506
Invalid user password
2507
Invalid image
5.2 GSM System Code
5000
GSM is in sleep mode
5001
GSM bearer connection failed
5002
GSM is not registered
5101
GPRS bearer connection failed