IBM 9114-275 Installation Guide - Page 26
Step 13. Connect the Adapter Cables, Serial Port Number, Location, Examples of Applicable Usage
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The current usage for the serial port connectors is as follows: Serial Port Number Serial Port 1 (S1 Rear) Location Rear of the System Serial Port 2 (S2) Rear of the System Serial Port 3 (S3) Rear of the System Examples of Applicable Usage Service Processor menus, Service Agent, PDA system management applications (interface cable required), ASCII Terminal for AIX Console, and Modems Service Processor menus, HACMP, ASCII Terminal for AIX Console, and Modems HACMP, UPS (uninterruptible power supply), ASCII Terminal for AIX Console, and Modems Note: Serial port S1 is never used to run HACMP or to attach a UPS. If you are configuring your system to run HACMP with a UPS attached, you must connect the HACMP cable to serial port S2 and the UPS cable to serial port S3. Do not run a UPS connected to serial port S2. If you decide to disconnect HACMP, you must reset the service processor using the pinhole reset switch before running another application. The service processor pinhole reset switch is located on the operator panel. Step 13. Connect the Adapter Cables Note: Before doing this step, read and understand "Step 3. Read the Safety Notices" on page 3. If you are using any optional adapters (such as token ring or 8-port EIA-232), connect the cables to the appropriate adapter connectors in the PCI slots of your machine. For the locations of installed adapters, consult the ″About Your Machine″ document. 10 IntelliStation POWER 9114 Model 275 Installation Guide
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