HEIDENHAIN iTNC 530 593
18.2 Pin Layouts and Connecting Cables for the Data Interfaces
RS-422/V.11 interface
Only non-HEIDENHAIN devices are connected to the RS-422
interface.
Ethernet interface RJ45 socket
Maximum cable length:
Unshielded: 100 m
Shielded: 400 m
The interface complies with the requirements of
EN 50 178 for “low voltage electrical separation.”
The pin layouts on the TNC logic unit (X28) and on the
adapter block are identical.
TNC
Connecting cable
355 484-xx
Adapter block
363 987-01
Female Pin layout Male Color Female Male Female
1RTS 1Red111
2DTR 2Yellow222
3RXD
3White3 3 3
4TXD
4 Brown 4 4 4
5 Signal GND 5 Black 5 5 5
6CTS 6Violet666
7DSR 7Gray777
8RXD 8White/
Green
888
9TXD 9Green999
Hsg. Ext. shield Hsg. External
shield
Hsg. Hsg. Hsg.
Pin Signal Description
1 TX+ Transmit Data
2 TX– Transmit Data
3 REC+ Receive Data
4 Vacant
5 Vacant
6 REC– Receive Data
7 Vacant
8 Vacant