Rs-232-c/v.24 interface for heidenhain devices – HEIDENHAIN TNC 640 (34059x-05) ISO programming User Manual
Page 620

Tables and overviews
19.2
Connector pin layout and connection cables for data interfaces
19
620
TNC 640 | User's ManualDIN/ISO Programming | 1/2015
19.2
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.