DIGITAL-LOGIC AG PCCP5 Manual V2.3
87
J44 Power supply connector
Pin Signal
Pin 1 VCC Logic, CPU
Pin 2 +12V for LCD and sound (ESS1869)
Pin 3 Ground
J22 = COM1 serial port connector, new since V2.2 (J74 optionally for stackthrough)
Channel: Header onboard D-SUB connector Signal
COM 1: Pin 1 = DCD
J22 Pin 6 = DSR
Pin 2 = RxD
Pin 7 = RTS
Pin 3 = TxD
Pin 8 = CTS
Pin 4 = DTR
Pin 9 = RI
Pin 5 = GND
J17 = COM2 serial port connector
Channel: Header onboard D-SUB connector Signal
COM 2: Pin 1 Pin 1 = DCD
J17 Pin 2 Pin 6 = DSR
Pin 3 Pin 2 = RxD (RS485-A) *
Pin 4 Pin 7 = RTS
Pin 5 Pin 3 = TxD (RS485-B) *
Pin 6 Pin 8 = CTS
Pin 7 Pin 4 = DTR
Pin 8 Pin 9 = RI
Pin 9 Pin 5 = GND
Pin 10 = NC
* Until version V2.1, the RS485 option is an assembling option. In this case, these signals are available at
the place of RXD and TXD of COM2.
J91 COM1 RS422/485 (4wire), new since V2.2
Pin Signal
Pin 1 TX+
Pin 2 TX-
Pin 3 RX+
Pin 4 RX-
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