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Configuring the RJ-45 serial port
The RJ-45 serial port connector can be configured to support either a Data Set Ready (DSR),
or a Data Carrier Detect (DCD) signal. The default configuration for your server supports
DSR signals. To change the configuration from DSR to DCD signal support, a jumper (J7A1)
must be changed on the system board.
To change the RJ-45 serial port configuration to DCD signal support:
1 Turn off the server, then disconnect the power cords and all other cables connected
to the server.
2 Follow the instructions in “Opening the server case” on page 42.
3 Remove the PCI riser assembly by following the instructions in “Removing and
installing the PCI riser assembly” on page 69.
4 Remove the jumper across pins 1-3 of jumper J7A1, then place the jumper across
pins 2-4.
5 Reinstall the PCI riser assembly by following the instructions in “Removing and
installing the PCI riser assembly” on page 69.
6 Follow the instructions in “Closing the server case” on page 44.
Caution Moving the jumper while the power is on can damage your server.
Always turn off the server and unplug the power cords and all other
cables before changing the jumper.
8510522.book Page 23 Wednesday, March 16, 2005 11:19 AM