HEIDENHAIN TNC 320 (34055x-06) ISO programming - Manual (Page 460)

Tables and overviews
16.2 Connector pin layout and connection cables for data interfaces
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TNC 320 | User's Manual for DIN/ISO Programming | 5/2013
16.2 Connector pin layout and connection
cables for data interfaces
RS-232-C/V.24 interface for HEIDENHAIN devices
The interface complies with the requirements of EN 50 178 for low voltage electrical separation .
When using the 25-pin adapter block:
TNC Conn. cable 365725-xx Adapter block
310085-01 Conn. cable 274545-xx
Male Assignment Female Color Female Male Female Male Color Female
1 Do not
assign 1 1 1 1 1 White/
Brown 1
2 RXD 2 Yellow 3 3 3 3 Yellow 2
3 TXD 3 Green 2 2 2 2 Green 3
4 DTR 4 Brown 20 20 20 20 Brown 8
5 Signal
GND 5 Red 7 7 7 7 Red 7
6 DSR 6 Blue 6 6 6 6 6
7 RTS 7 Gray 4 4 4 4 Gray 5
8 CTR 8 Pink 5 5 5 5 Pink 4
9 Do not
assign 9 8 Violet 20
Hsg. External
shield Hsg. External
shield Hsg. Hsg. Hsg. Hsg. External
shield Hsg.