HEIDENHAIN SHB Data Interfaces for HEIDENHAIN - Manual (Page 19)

4 – 20 HEIDENHAIN Service Manual for Data Interfaces
4.2 RS-422/V.11 Overview
4.3 Ethernet Overview
4.4 RS-232-C/V.24 Diagrams
Diagram no. 1
RS-232-C/V.24 with adapter block for software handshake,
TNC 25-pin / peripheral 25-pin
Control model Connection diagram
TNC 406 16
TNC 407 16
TNC 415/B 16
TNC 425 16
TNC 426 16
TNC 430 16
V.11 -> V.24 converter 17
Control model Connection diagram
TNC 426 Chapter 7.2
TNC 430 Chapter 7.2
Note
This wiring only allows transfer stop with DC3 (software handshake).