HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 100)

SERVICE MANUAL TNC 415B/425
Page 95
Issue: 20.08.95
16.4 Wiring Diagrams of the Data Interfaces
16.4.1 RS-232-C Data Interface with RS-232-C Adapter Block (full wiring)
*
If the pin layout of your peripheral unit differs from the above layout, the HEIDENHAIN connecting
cable may not be used.
16.4.2 RS-232C Data Interface with RS-232C Adapter Block
(simplified wiring)
Example:
*
With this wiring, only transfer stop with DC3 is possible (software handshake).
The RS-232-C data interface has different pin layouts at the logic unit X21 and the RS-232-C adapter block.