Owners of other interfaces than Service USB RS232 can neglect the following chapter.

Description
Service USB RS232 is reduced to the smallest possible size and is housed inside the Sub D25 connector. As opposed to ordinary USB/ RS232 converters an abundant supply of software is part of our complete package.
Thus Service USB RS232 can be used by almost every program. Programs, which never have known a serial port, like FileMaker, 4th Dimension or AppleScript can control the RS232 port.
Service USB RS232 is mainly used for controlling receipt printers from either 4th Dimension or FileMaker.
System requirements
A Macintosh with USB and OSX 10.3 to 10.5 is required to operate Service USB RS232. Up to 100 Service USB RS232 can be controlled by one Macintosh.
Scope of delivery
Furthermore you will find a detailed instruction manual and Quicktime-Films from fischertechnik-models.
Recommended accessories
The receipt printer Samsung/Bixolon SRP350 and Epson TM88 are very fast and are able to print a receipt in less than one second without annoying dialogues or the loop via printcenter. In addition there is a bar code label printer and some other accessories like cash drawers and barcode scanners available from our company.
Hardware description
Service USB RS232 looks like a normal computer cable with an USB-connector on one end and a male Sub D25 connector on the other. The converter electronic is housed inside the Sub D25 connector and is powered directly from USB.

Technical information
Schematic diagrams

Block diagram of Service USB RS232

Schematic diagram of Service USB RS232