January 2012 3.25 Data Interfaces 267
X27:
RS-232-C/V.24 data
interface
Maximum cable length with RS-232-C/V.24 is 20 meters
Pin layout:
25-pin adapter block:
9-pin adapter block:
The interface complies with the requirements of EN 50178 for "low voltage
electrical separation."
For more information on the USB interface, see "The Serial Interface of the
Control" on page 1766.
MC 6xxx Connecting cable
365 725-xx
Adapter block
310 085-01
Connecting cable
274 545-xx
Male Assignment Female Color Female Male Female Male Color Female
1 Do not assign 1 1 1 1 1 White/
Brown
1
2 RXD 2 Yellow 3 3 3 3 Yellow 2
3 TXD 3 Green 2 2 2 2 Green 3
4 DTR 4 Brown 20 20 20 20 Brown 8
5 Signal GND 5 Red 7 7 7 7 Red 7
6DSR 6 Blue6 66 6 6
7RTS 7 Gray4 44 4Gray5
8 CTS 8 Pink 5 5 5 5 Pink 4
9 Do not assign 9 8 Violet 20
Hsg. External shield Hsg. Exter-
nal
shield
Hsg. Hsg. Hsg. Hsg. Exter-
nal
shield
Hsg.
MC 6xxx Connecting cable
355 484-xx
Adapter block
363 987-02
Connecting cable
366 964-xx
Male Assignment Female Color Male Female Male Female Color Female
1 Do not assign 1 Red 1 1 1 1 Red 1
2 RXD 2 Yellow 2 2 2 2 Yellow 3
3TXD 3 White33 33 White2
4 DTR 4 Brown 4 4 4 4 Brown 6
5 Signal GND 5 Black 5 5 5 5 Black 5
6 DSR 6 Violet 6 6 6 6 Violet 4
7RTS 7 Gray77 7 7 Gray8
8CTS 8 White/
Green
88 8 8 White/
Green
7
9 Do not assign 9 Green 9 9 9 9 Green 9
Hsg. External shield Hsg. External
shield
Hsg. Hsg. Hsg. Hsg. External
shield
Hsg.
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