Siemens SIMATIC IPC MD-57A - Page 98

Hardware description
A.1 Interface description
SIMATIC IPC MD-57A
96 Operating Instructions, 09/2023, A5E52775302-AA
A11
RX2+
Data channel (USB4)
Input
A12
GND
Ground
-
B1
GND
Ground
-
B2
TX2+
Data channel (USB4)
Output
B3
TX2-
Data channel (USB4)
Output
B4
VBUS
+ 5 V (fused)
Output
B5
VCONN
Configuration channel
Input/output
B6
D+
Data cable (USB 2.0)
Input/output
B7
D-
Data cable (USB 2.0)
Input/output
B8
SBU2
Sideband usage2
-
B9
VBUS
+ 5 V (fused)
Output
B10
RX1-
Data channel (USB4)
Input
B11
RX1+
Data channel (USB4)
Input
B12
GND
Ground
-
RS232 (COM1)
Pin no.
Short designation
Meaning
Input/output
1
DCD
Data carrier detect
Input
2
RxD
Receive data
Input
3
TxD
Send data
Output
4
DTR
Data terminal ready
Output
5
GND
Ground
-
6
DSR
Ready for operation
Input
7
RTS
Request to send
Output
8
CTS
Clear to send
Input
9
RI
Incoming call
Input