Generex CS121L User Manual page 104

Figure 129: Slot version: Circuit board connection
Pin1: -> GND
Pin2: -> VDD
Pin3: -> TxD
Pin4: -> RxD
Pin9: -> GND
Pin8 connected with Pin 10
Figure 130: Pin COM2 Mini-DIN 8 pol female
Mini DIN 8 socket RS-232:
Pin1: -> DCD
Pin2: -> RxD
Pin3: -> TxD
Pin4: -> DTR
Pin5: -> DSR
Pin6: -> RTS
Pin7: -> CTS
Pin8: -> RI
Schirm -> GND
RS-485 (optional):
Pin1: -> RS485/B(+)
Pin5: -> RS485/A(-)
Figure 131: AUX-Port (Hardware Revision 1.1 = from Serial numbers 0121-1203, 0122-00198,
0123-00564 onwards) RJ11 6-pol
102