HEIDENHAIN TNC 620 User Manual page 637

Connector pin layout and connection cables for data interfaces 18.2
18.2 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
When using the 25-pin adapter block:
TNC Conn. cable 365725-xx
Male Assignment Female Color
1 Do not 1
assign
2 RXD 2
3 TXD 3
4 DTR 4
5 Signal GND 5
6 DSR 6
7 RTS 7
8 CTR 8
9 Do not 9
assign
Hsg. External Hsg.
shield
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Adapter block
310085-01
Female Male
1 1
Yellow 3 3
Green 2 2
Brown 20 20
Red 7 7
Blue 6 6
Gray 4 4
Pink 5 5
External Hsg. Hsg.
shield
low voltage electrical
Conn. cable 274545-xx
Female Male Color
1 1 White/
Brown
3 3 Yellow
2 2 Green
20 20 Brown
7 7 Red
6 6
4 4 Gray
5 5 Pink
8 Violet
Hsg. Hsg. External
shield
18
separation.
Female
1
2
3
8
7
6
5
4
20
Hsg.
637