undefined [object Object]
{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Schneider Electric USA Website

Welcome to our website.
How can we help you today?
What is the serial pinout for the M221 Controller?

PinRS232RS485
1RxDN.C.
2TxDN.C.
3RTSN.C.
4N.C.D1 / D+
5N.C.D0 / D-
6CTSN.C.
7N.C.5 Vdc
8CommonCommon


CTS= Clear to Send
RTS= Ready To Send
RxD= Received Data
TxD= Transmitted Data
N.C.= No Connection

If this FAQ did not solve your issue, you can chat with us at chat with us or e-mail us at customer.services@se.com to create a case with our Technical Support Team.

If you are not located in North America, please contact your local Customer Care Center for assistance:

Support | Schneider Electric Global (se.com)

Schneider Electric USA

Explore more
Range:
Articles that might be helpful Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.
Explore more
Range: