Beijing Dingtek Technology Corp., Ltd. Tel:86-10-64718863, 64753700
http://www.dingtek.com E-mail: service@dingtek.com
Room A209, Flounder Business Park, Shunbai Road 12, Chaoyang District, Beijing, China 100022 Page
20
Figure6.8
Note: For the format of the instruction, please refer to the protocol document of the
corresponding equipment.
Notes:
1. When the device is at Sleep mode sending instructions will be invalid.
2. Before sending instructions please click enter, and then send.
3. The command is sent in hexadecimal format except for configuring APN for details refer
to the protocol.
4. Check whether the RX and TX of the TTL and the device are correctly connected. If the
connection is reversed no output is displayed on the serial port after the device is powered
on, and the device cannot be configured.
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