Siemens SIMATIC IPC427C Operations Instructions Page 117

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Detailed descriptions
16.1 Internal components
SIMATIC IPC427C
Operating Instructions, 10/2010, A5E02414743-03
117
16.1.3.2 COM1/2
Serial port COM1, 9-pin (plug) or COM2 (optional)
Pin no. Short description Description
1 DCD Data carrier detect (I)
2 RxD Received data (I)
3 TxD Transmitted data (O)
4 DTR Data terminal ready (O)
5 GND Ground
6 DSR Data set ready (I)
7 RTS Request to send (O)
8 CTS Clear to send (I)
9 RI Incoming call (I)
16.1.3.3 DVI-I
DV-I port, standard socket
Pin no. Short description Description
1 TMDS Data2- DVI data channel (O)
2 TMDS Data2+ DVI data channel (O)
3 TMDS Data2/4 shield Cable shield
4 NC*
5 NC
6 DDC clock (SCL) Display data channel – clock (I/O)
7 DDC data (SDA) Display data channel – data (I/O)
8 Analog vertical sync (VSYNC) Analog vertical sync signal (O)
9 TMDS Data1- DVI data channel (O)
10 TMDS Data1+ DVI data channel (O)
11 TMDS Data1/3 shield Cable shield
12 NC
13 NC
14 +5V power (VCC) +5V power for DCC (O)
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