Manualshelf

User Manual

ManualsBrandsDragino Technology ManualsData Communication and Human Input DevicesLTC2 Industrial LoRaWAN Temperature Transmitter w/ Food Safety Type Probe (US915)
21222324252627282930
www.dragino.com
LTC2 LoRaWAN Temperature Transmitter 28 / 32
6. FAQ
6.1 How to use AT Command to configure LTC2
LTC2 supports AT Command set. User can use a USB to TTL adapter plus the Program Cable to
connect to LTC2 for using AT command, as below.
Connection:
USB to TTL GND <--> LTC2 GND
USB to TTL RXD <--> LTC2 TXD
USB to TTL TXD <--> LTC2 RXD
In PC, User needs to set
serial tool(such as putty, SecureCRT) baud rate to 9600 to access to
access serial console for LTC2. The AT commands are disable by default and need to enter
password (default:123456) to active it. Timeout to input AT Command is 5 min, after 5-minute,
user need to input password again. User can use AT+DISAT command to disable AT command
before timeout.
Input password and ATZ to activate LTC2,As shown below: