HEIDENHAIN TNC 620 User Manual page 507

Tables and overviews | Pin layout and cables for data interfaces
12.2 Pin layout and cables for data interfaces
V.24/RS-232-C interface for HEIDENHAIN devices
The interface complies with the requirements of
EN 50178 for Secure separation from the power grid.
Control
Male Assignment
1 Do not assign
2 RXD
3 TXD
4 DTR
5 Signal GND
6 DSR
7 RTS
8 CTR
9 Do not assign
Housing External shield
Ethernet interface RJ45 socket
Maximum cable length:
100 m unshielded
400 m shielded
Pin
1
2
3
4
5
6
7
8
HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 01/2022
25-pin: VB 274545-xx
Male Color
1 White/Brown
3 Yellow
2 Green
20 Brown
7 Red
6
4 Gray
5 Pink
8 Violet
Housing External shield
Signal
TX+
TX–
RX+
Vacant
Vacant
RX–
Vacant
Vacant
9-pin: VB 366964-xx
Female Bushing Color
1 1 Red
2 2 Yellow
3 3 White
8 4 Brown
7 5 Black
6 6 Violet
5 7 Gray
4 8 White/Green
20 9 Green
Housing Housing External shield
12
Female
1
3
2
6
5
4
8
7
9
Housing
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