SiePortal

The integrated platform for your product selection, buying and support workflow - bringing together Industry Mall and Online Support.

Products & Services
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Support Support
{{(apiData.Support | filter:{'rank':1}:true)[0].title}} Support
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
MySiePortal MySiePortal
{{(apiData.MySiePortal | filter:{'rank':1}:true)[0].title}} MySiePortal
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Cart ({{apiData.CartCount}})

Navigation

Use USB2RS422 cable to debug RF240R with 3964R protocol

7/24/2024 1:54 AM	Rate (0)
TONY_online Member Joined: 12/2/2014 Last visit: 10/26/2025 Posts: 4 Rating: (0)	Friends： I used a USB to RS422 cable to debug RF240R, but after sending many commands using the serial port tool, the RS240R device has not initialized successfully. Is it because the initialization command is wrong？why the RF240R device to have no feedback? Attachment 微信截图_20240724095238.png (339 Downloads)

Suggestion To thank Quote Answer

7/24/2024 1:56 AM	Rate (0)
TONY_online Member Joined: 12/2/2014 Last visit: 10/26/2025 Posts: 4 Rating: (0)	Device photo Attachment 微信截图_20240724095613.png (401 Downloads)

Suggestion To thank Quote Answer

7/24/2024 2:13 AM	Rate (0)
TONY_online Member Joined: 12/2/2014 Last visit: 10/26/2025 Posts: 4 Rating: (0)	Attachment 213.png (443 Downloads)

Suggestion To thank Quote Answer

7/24/2024 12:40 PM	Rate (0)
Identified Advanced Member Joined: 2/10/2015 Last visit: 11/13/2025 Posts: 150 Rating: (20)	Hi, what is the reader's LED showing? Which settings are you using on the serial interface?

Suggestion To thank Quote Answer

Share this page:

Share this page on...