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3301690 CPU Card
PIN DESCRIPTION
1 DATA CARRIER DETECT (DCD) 6 DATA SET READY (DSR)
2 RECEIVE DATA (RXD) 7 REQUEST TO SEND (RTS)
3 TRANSMIT DATA (TXD) 8 CLEAR TO SEND (CTS)
4 DATA TERMINAL READY (DTR) 9 RING INDICATOR (RI)
5 GND (GND) 10 GND (GND)
Table 3-3: Internal COM Port Connector Pinouts
Figure 3-4: COM Port Locations
3.2.4 Parallel Port
CN Label: LPT1
CN Type: 2x13 pin header
36