Meitrack Protocol
<p>Step 1 : connect with PC by RS232 DB9 plug to USB with Black, Yellow, Blue Cable (all three are long cables) </p>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/1f1b947cdb822590c14b3e4ea7831ef7?showdoc=.jpg" alt="" /></p>
<p>Step 2: Power ON, and you will see only LED in Red Color, the screen will be black.</p>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/089bcf940362e42bc91dcd9c364f5d75?showdoc=.jpg" alt="" /></p>
<p>Step 3. Please make sure USB to RS232 driver is working properly. And note the COM port number, for example here it is COM4</p>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/46f1a7e1c3fa4f2aedf799e6ec7b2a28?showdoc=.jpg" alt="" /></p>
<p>Step 4. Download latest V31 firmware : <a href="https://we.tl/t-GqbKvpgb5x">https://we.tl/t-GqbKvpgb5x</a></p>
<p>Unzip HyComprog file, Choose the Port
<strong>Choose Baud Rate 115200, Protocol 36, and Net Address 1.</strong>
Click Go, and then it will upgrade automatically.</p>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/b349d0ee0ef206518e471b6a891183fb?showdoc=.jpg" alt="" /></p>
<p><img src="https://www.showdoc.cc/server/api/common/visitfile/sign/0925a3957fbbc5e03b8ba77bcb2f9216?showdoc=.jpg" alt="" /></p>
<p><strong>For example, if connect Meitrack T333 with UL202, please pay attention to the following settings:</strong>
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/7ab45ac44d22e6af8d27518bd4ad8ffa?showdoc=.jpg" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/5be410d7fad96cbf829eee7d48548037?showdoc=.jpg" alt="" />
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/eaa14fb82be4f8ca07549af38bcb1042?showdoc=.jpg" alt="" />
<img src="https://www.showdoc.cc/server/api/common/visitfile/sign/e59be313b3f54cfa8b387ccf1738988a?showdoc=.jpg" alt="" />
Pin3(Green, RX)----Connect UL202 Yellow(TX)
Pin4(Blue, TX)----Connect UL202 Blue (RX)
Black----Connect UL202 short Black RS232 Ground</p>