HEIDENHAIN TNC 620 User Manual page 527

Connector pin layout and connection cables for data interfaces
When using the 9-pin adapter block:
TNC Conn. cable 355484-xx
Male Assignment Female Color
1 Do not 1
assign
2 RXD 2
3 TXD 3
4 DTR 4
5 Signal 5
GND
6 DSR 6
7 RTS 7
8 CTR 8
9 Do not 9
assign
Hsg. External Hsg.
shield
TNC 620 | User's Manual
HEIDENHAIN Conversational Programming | 5/2013
Adapter block
363987-02
Male Female
Red 1 1
Yellow 2 2
White 3 3
Brown 4 4
Black 5 5
Violet 6 6
Gray 7 7
White/ 8 8
Green
Green 9 9
External Hsg. Hsg.
shield
Conn. cable 366964-xx
Male Female Color
1 1 Red
2 2 Yellow
3 3 White
4 4 Brown
5 5 Black
6 6 Violet
7 7 Gray
8 8 White/
Green
9 9 Green
Hsg. Hsg. External
shield
17
17.2
Female
1
3
2
6
5
4
8
7
9
Hsg.
527