ADR's Behind the Tape Reader (BTR) adapter
is the ONLY way to connect older NC or CNC to
your network of factory PCs.
ADR BTR - The hands down Winner!
DNC software providers sell ADR BTRs.
ADR has thousands of satisfied customers.
The truly universal BTR.
DNC Concepts and terminolgy
Frequency Asked DNC Questions
BTR manual and Serial I/O software Download
Get Technical Support
on BTR setup, cabling
The World's Best BTR
***SPECIAL - FREE WORLDWIDE SHIPPING!
BTRs & DNC Systems
Advanced Digital Research, Inc. is the leading supplier
of DNC solutions, including BTRs and DNC devices.
and special offers
ADR BTR Services Repair and Exec File conversion
Floppy Disk Emulators
Replace your floppy drives before they fail!
- PC Files available at CNC
- Uses existing CNC floppy disk interface
- All floppy disk drive types supported
- Configurable Encoding and FAT
Floppy Emulator connects to PC via Ethernet
Floppy Emulator connects to PC via USB