# Serial#1

## Serial#1

In this section, it allows the user to configure serial port. But only 1ch RS232 can be supported. RS485 can be customized if required. The serial port can also be worked as GPS positioning, terminal command line, ModBus, data transparent transmission. Please check below details:

![](/files/-MSwIx7aD1l6oL4929uq)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.jtokenapp.com/router-v520s/configuration/application/serial-1.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
