Dell PowerEdge 6850 - Manual (Page 8)

Table B-2. Serial Connector Pin Assignments
Video Connector
You can attach a VGA-compatible monitor to the system's integrated video controller using a 15-pin high-density D-subminiature connector on the system front
or back panel.
Figure B -3 illustrates the pin numbers for the video connector and Table B -3 defines the pin assignments for the connector.
Figure B-3. Video Connector Pin Numbers
Table B-3. Video Connector Pin Assignments
USB Connectors
The system's USB connectors support USB-compliant peripherals such as keyboards, mice, and printers and may also support USB-compliant devices such as
diskette drives and optical drives.
Figure B -4 illustrates the pin numbers for the USB connector and Table B -4 defines the pin assignments for the connector.
Pin Signal I/O Definition
1 DCD I Data carrier detect
2 SIN I Serial input
3 SOUT O Serial output
4 DTR O Data terminal ready
5 GND N/A Signal ground
6 DSR I Data set ready
7 RTS O Request to send
8 CTS I Clear to send
9 RI I Ring indicator
Shell N/A N/A Chassis ground
NOTE: Installing a video card automatically disables the system's integrated video controller.
Pin Signal I/O Definition
1 RED O Red video
2 GREEN O Green video
3 BLUE O Blue video
4 NC N/A No connection
5–8, 10 GND N/A Signal ground
9 VCC N/A Vcc
11 NC N/A No connection
12 DDC data out O Monitor detect data
13 HSYNC O Horizontal synchronization
14 VSYNC O Vertical synchronization
15 NC N/A No connection
NOTICE: Do not attach a USB device or a combination of USB devices that draw a maximum current of more than 500 mA per channel or +5 V. Attaching
devices that exceed this threshold may cause the USB connectors to shut down. See the documentation that accompanied the USB devices for their
maximum current ratings.