Teltonika RS232 Protocol 15 FMB640 connects to UL2
<ol>
<li>
<p>Wiring and definition
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/dfb1559c9ff7780dc1454a30e62d1a4e" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/49484d05b53d0e4dfbe4f943b3eeaa00" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/ae0858d941189b5c111cc5cebbee19a7" alt="" />
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/d072bd4a9a864266a995a151cd028b83" alt="" />、
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/f7179fe126c4cc3d1abcc3561648a472" alt="" /></p>
</li>
<li>Connect to PC settings via RS232 serial port
（1）UL212 settings</li>
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<p>**NOTES:
UL212, 1meter version: Protocol 15
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/adebffec78f09317420001915194915c" alt="" /></p>
<p>（2） Download FMB640 program driver and configuration software.
<a href="https://we.tl/t-88Cgwjt8J8">https://we.tl/t-88Cgwjt8J8</a></p>
<p><img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/7f42984b8755fa020e930cff54dfe6a9" alt="" /></p>
<ol>
<li>The connection is successful, check the status
<img src="https://www.showdoc.com.cn/server/api/attachment/visitfile/sign/9e85bcffcfc609cd79d41691065f2d14" alt="" /></li>
</ol>