Siemens SIMATIC Ident Operating Manual page 15

Pin assignment of the connecting cable between PC adapter and UHF reader
Table 3- 4
View of M12 plug
Pin assignment for connection to the PC
Table 3- 5
View of connection socket
Table 3- 6
View of mini-B plug
SIMATIC RF-DIAG
Operating Manual, 09/2012, C79000-G8976-C292-01
RS-422 connecting cable
USB 2.0 mini-B connector socket of the PC adapter
USB 2.0 mini-B plug of the connecting cable
3.1 The PC adapter for SIMATIC RF-DIAG
M12 Wire color Pin assignment
pin
1 White 24 VDC
2 Brown TX neg
3 green GND
4 Yellow TX pos
5 gray RX pos
6 pink RX neg
7 Blue Not used
8 Red Ground (shield)
Pin Assignment
Device side
1 + 5 V
2 Data -
3 Data +
4 ID (not used)
5 GND
Pin Wire color
Device side
1 Red
2 White
3 green
4 -
5 Black
Connecting hardware
Assignment
+ 5 V
Data -
Data +
ID (not used)
GND
15