RS232/PPI interface,programming cable for Siemens S7-200PLC or TP170 touch panel,3 meters,can replace 6ES7 901-3CB30-0XA0,not support long distance communication and multi-master
station communication.

Not isolated,so it doesn't support hot plug,if need isolated cable,pls choose PC/PPI+,you can click the following website for PC/PPI+:http://www.bestincn.com/pcppioptoelectronic-isolated-pcppi-cable_p276.html
The quality is guaranteed.It's tested before shippment.Not made by? Siemens,OEM product as the replacement.