<p>Interface Board Manual NOTE: Refer to PM-LX-800 Manual for connections on the Single Board Computer, and PM-1059 Manual for connections on the Video Compression Board.</p><p>Table of Contents A. Current Limiting circuitry / Camera Power (pg 2)</p><p>B. VGA Connector (pg 3) C. RS232 Connector (pg 4)</p><p>D. Keyboard/ Mouse Connector (pg 5) E. Ethernet/RJ45 (pg 6)</p><p>F. Camera RCA Connectors (Pg 7) G. 3.5mm Audio Jack (Pg 8)</p><p>H. EOG Connector (Pg 9) I. Switch Connector (Pg 10)</p><p>J. USB Connector (Pg 11) A. Current Limiting DC Power Circuitry</p><p>The current limiting circuitry is designed to shut off the 12 volts powered to the camera in the case where the camera will draw more current than it should. The Color Scene camera has a max current draw of 150mA at 12V and the B/W eye camera has a max current draw of 30mA at 12V. Two DC barrel plugs where used in order to plug the cameras into the interface. </p><p>Figure 1: Current Limiting Schematic.</p><p>2 B. VGA connector</p><p>The VGA connector allows the user to plug in a CRT or LCD monitor into the device. </p><p>External Plug Internal Header Function Pin 1 Pin 1 Red Pin 2 Pin 2 Green Pin 3 Pin 3 Blue Pin 4 NC - Pin 5 Pin 8 GND Pin 6 Pin 8 - Pin 7 Pin 9 - Pin 8 Pin 9 - Pin 9 NC - Pin 10 Pin 10 GND Pin 11 NC - Pin 12 Pin 7 DDCDAT Pin 13 Pin 4 HSYNC Pin 14 Pin 5 VSYNC Pin 15 Pin 6 DDCCLK Table 1: VGA Pin outputs.</p><p>(a) (b) Figure 2: (a) shows external Connection (b) shows rear internal connection for VGA.</p><p>3 C. RS232 Connector</p><p>External Plug Internal Header Function Pin 1 Pin 1 DCD# Pin 2 Pin 2 RX Pin 3 Pin 3 TX Pin 4 Pin 4 DTR# Pin 5 Pin 5, Pin 10 GND Pin 6 Pin 6 DSR# Pin 7 Pin 7 RTS# Pin 8 Pin 8 CTS# Pin 9 Pin 9 RI# Pin 10 GND Table 2: Pin outs for RS232 Connector.</p><p>Figure 3: (a) shows external Connection (b) shows rear internal connection for RS232.</p><p>4 D. Keyboard/ Mouse Connector</p><p>Internal External Plug (PS-2) Header Function Pin 1 NC NC Pin 2 Pin 3 Mouse Clock Pin 3 Pin 1 VCC5 Mouse Pin 4 Pin 6 GND Pin 5 NC NC Pin 6 Pin 2 Mouse Data Pin 1 NC NC Pin 2 Pin 5 Keyboard Clock Pin 3 Pin 1 VCC5 KeyBoard Pin 4 Pin 6 GND Pin 5 NC NC Pin 6 Pin 4 Keyboard Data Table 3: Pin outs for Mouse/Keyboard Connectors.</p><p>(a)</p><p>(b)</p><p>5 Figure 4: (a) shows external Connection (b) shows rear internal connection for Keyboard/Mouse connections.</p><p>E. Ethernet (8-pin RJ45) connector</p><p>External Plug Internal Header Function Pin 1 Pin 5 TX+ Pin 2 Pin 10 TX- Pin 3 Pin 2 RX+ Pin 4 Pin 9 GND Pin 5 Pin 9 GND Pin 6 Pin 7 RX- Pin 7 Pin 8 GND Pin 8 Pin 8 GND Table 4: Pin outs for Ethernet Connectors</p><p>(a) (b) Figure 5: (a) shows external Connection (b) shows rear internal connection for LAN.</p><p>6 F. Camera RCA (Composite) Connectors</p><p>External Plug Internal Header Function Ch 1 IN Pin 1 Pin 3 Ch 1 Video Ch 1 IN Pin 2 Pin 2, 4 , 6, 8 GND Ch 1 OUT Pin 1 Pin 3 Ch 1 Video Ch 1 OUT Pin 2 Pin 2, 4, 6, 8 GND Ch 2 IN Pin 1 Pin 1 Ch 2 Video Ch 2 IN Pin 2 Pin 2, 4, 6, 8 GND Ch 2 OUT Pin 1 Pin 1 Ch 2 Video Ch 2 OUT Pin 2 Pin 2, 4, 6, 8 GND Table 5: Pin outs for Video(RCA) Connectors.</p><p>Figure 6: shows internal Video Connector to connect to the Video Compression Board.</p><p>7 G. 3.5mm Audio Jack (stereo).</p><p>External Plug Internal Header Function Pin 1 Pin 1 Right Channel Pin 2 NC NC Pin 3 Pin 2,4,6,8 GND Pin 4 Pin 3 Left Channel Pin 5 NC NC Table 6: Pin outs for Audio Connector.</p><p>Figure 7: shows internal connection for audio jack to plug into video compression board.</p><p>8 H. EOG Connectors.</p><p>External Plug (J14) Internal Header (J15) Function Pin 1 Pin 1 EOG 1+ Pin 2 Pin 2 EOG 1 - Pin 3 Pin 3 EOG 2 + Pin 4 Pin 4 EOG 2 - Pin 5 Pin 5, 6 RLD* Pin 6 Pin 5, 6 RLD* Pin 7 Pin 7, 8 ISO GND** Pin 8 Pin 7, 8 ISO GND** Table 7: Pin outs for EOG Connectors.</p><p>*RLD (Right Leg Drive circuitry) ** ISO GND (Isolated GND from Bio-potential Board)</p><p>(a) (b) Figure 8: (a) shows external Connection (b) shows rear internal connection for EOG.</p><p>9 I. Switch Connectors.</p><p>External Plug (J13) Internal Header (J12) Function Pin 1 Pin 1, 2 VDD Pin 2 Pin 1, 2 VDD Pin 3 Pin 3 REC Switch 1 Pin 4 Pin 4 REC Switch 2 Pin 5 Pin 5 Event Switch 1 Pin 6 Pin 6 Event Switch 2 Pin 7 Pin 7, 8 ISO GND** Pin 8 Pin 7, 8 ISO GND** Table 8: Pin outs for switch Connector.</p><p>** ISO GND (Isolated GND from Bio-potential Board)</p><p>(a) (b)</p><p>Figure 9: (a) shows external Connection (b) shows rear internal connection for the handheld switch.</p><p>10 J. USB Connector.</p><p>External Plug (USB) Internal Header (J4) Function Pin 1 Pin 7 GND Pin 2 Pin 5 D1F+ Pin 3 Pin 3 D1F- Pin 4 Pin 1 USBVCC1 Pin 5 Pin 2 GND Pin 6 Pin 4 D2F+ Pin 7 Pin 6 D2F- Pin 8 Pin 8 USBVCC2 Table 9: Pin outs for USB Connector.</p><p>(a) (b)</p><p>Figure 10: (a) shows external Connection (b) shows rear internal connection for USB.</p><p>11</p>