We do not believe drip feed is possible with this controller.
Cable shown here is most common supporting xOn/xOff (DC1/DC3) flow control. If your CNC is configured to use RTS/CTS (Hardware) flow control then see the alternative cable diagram here.
9pin computer to 25pin CNC
DNC Software for Windows 8, Windows 7, Vista and Windows XP. 32 and 64bit versions
Acramatic, Fanuc, Okuma, Sinumerik and many other ISO - ASCII CNC Controls.
Single or Multi-Tasking to Communicate with one or more than one control at the same time.
MiniMRP is an easy to use Inventory Manager with Multi-Level BOM Manager and other 'MRP'
features usually only available in larger MRP/ERP packages.
Inventory, Single and Multi-Level BOM for less that $200