4833 LX/T (250-5145) Pinouts Faxback Doc. # 1706 The following tables indicate the pin functions of the VGA 1024 NI Adapter connectors: Video Port Connector Pin Assignments: Pin Function Pin Function 1 Red Video 9 Key (no pin) 2 Green Video 10 Sync Return (ground) 3 Blue Video 11 Monitor ID Bit 0 (ground) 4 Monitor ID Bit 2 (not used) 12 Monitor ID Bit 1 (ground) 5 Ground 13 Horizontal Sync 6 Red Return (ground) 14 Vertical Sync 7 Green Return (ground) 15 Not Used 8 Blue Return (ground) Video Feature Edge Connector Pin Assignments: Front (Component) Side of the Adapter Pin Function Pin Function Y1 Pixel Data 0 Y8 Pixel Data 7 Y2 Pixel Data 1 Y9 DAC CLOCK Y3 Pixel Data 2 Y10 DAC Blanking Y4 Pixel Data 3 Y11 Ext. Horizontal Sync Y5 Pixel Data 4 Y12 Ext. Vertical Sync Y6 Pixel Data 5 Y13 Ground Y7 Pixel Data 6 Back Side of the Adapter Pin Function Pin Function Z1 Ground Z8 Ground Z2 Ground Z9 Ground Z3 Ground Z10 Ground Z4 Select Internal Video Z11 Ground Z5 Select Internal Syncs Z12 Not Used Z6 Select Internal DAC Clock Z13 Not Used Z7 Not Used Serial Ports: Note: Both ports use DB9 pin assignments conforming to RS-232C protocol. Serial Port Pin Assignments: Keyboard and Mouse Connectors: Pin Function Pin Function 1 Carrier Detect 1 Data 2 Receive Data 2 Reserved 3 Transmit Data 3 Ground 4 Data Terminal Ready 4 +5 VDC 5 Signal Ground 5 Clock 6 Data Set Ready 6 Reserved 7 Request To Send 8 Clear To Send 9 Ring Indicator Parallel I/O Printer Port: (DB25 connector) The port can be programmed as LPT1 for IRQ7, or LPT2 for IRQ5. Pin Function Pin Function 1 Strobe 10 ACKNOWLEDGE 2 Data Bit 0 11 BUSY 3 Data Bit 1 12 PAPER END 4 Data Bit 2 13 SELECT 5 Data Bit 3 14 AUTO FEED 6 Data Bit 4 15 ERROR 7 Data Bit 5 16 INITIALIZE 8 Data Bit 6 17 SELECT IN 9 Data Bit 7 18-25 Ground