Operation Manual

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11.2 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 connection X28 (main computer) and
on the adapter block are identical.
CNC PILOT Connecting cable ID 355 484-xx Adapter block 363 987-02
Socket Assignment Pin Color Socket Pin Socket
1RTS 1Red 11 1
2DTR 2Yellow 22 2
3RXD 3White 33 3
4TXD 4Brown 44 4
5 Signal GND 5 Black 5 5 5
6CTS 6Violet 66 6
7DSR 7Gray 77 7
8RXD 8White/Green88 8
9TXD 9Green 99 9
Hsg. Ext. shield Hsg. Ext. shield Hsg. Hsg. Hsg.
Pin Signal Description
1 TX+ Transmit Data
2 TX– Transmit Data
3 REC+ Receive Data
4 Not assigned
5 Not assigned
6 REC– Receive Data
7 Not assigned
8 Not assigned