RS232/RS232 interface,cable for Mitsubishi Q series PLC,3 meters.Not isolated,so it doesn't support hot plug,if need isolated cable,pls choose QC30R2+,you can click the following website for QC30R2+:

http://www.bestincn.com/qc30r2optical-isolatedqplc-plc-cable45m_p223.html

The quality is guaranteed.It's tested before shippment.Not made by Mitsubishi,OEM product as the replacement