> For the complete documentation index, see [llms.txt](https://retailcloud.gitbook.io/hardware/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://retailcloud.gitbook.io/hardware/payment-devices/pax-s300/setup-for-tcp.md).

# Setup for TCP

### **How to Setup TCP on PAX S300?**

1. Press and hold the F Key and 1 Key together to access the main menu.
2. Enter the password
3. Press the down arrow and click on Communication.
4. Enter the password.
5. Tap twice on the down arrow from the Communication option screen
6. Click on ECR Comm. Type.
7. Select Ethernet
8. Default Communication Port Id will be displayed. (Do not make any changes)
9. Press the Enter (green key) .
10. Select TCP/IP.