HP BladeSystem bc2500 Setup and Installation Guide HP BladeSystem bc2000 and b - Page 33
Null-Modem Cable, Installing a Blade PC
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4. Bundle network and power cables together and route them to the outer edge of the rack. NOTE: Be sure to route the cables for your enclosure in a manner that provides rapid, easy access to the console connector for a local client device, such as a laptop computer. Also be sure to route the cables so they do not block or restrict airflow from any of the fan openings. 5. Repeat steps 1 through 4 for each blade PC enclosure you have installed. Null-Modem Cable If you are cabling a serial device such as a laptop computer to the console connector on the Integrated Administrator, be sure to use a null-modem cable and not a straight-through cable. The following table defines the wiring of a null-modem cable. Table 4-1 Cable Pinout for a Null-Modem Cable Signal Name IA Board PIN DB-9 PIN DB-25 PIN TxD 3 2 3 RxD 2 3 2 RTS 7 8 5 CTS 8 7 4 GND 5 5 7 DSR 6 4 20 CD 1 4 20 DTR 4 1 & 6 6 & 8 TxD 3 2 3 Installing a Blade PC CAUTION: Electrostatic discharge can damage electronic components. Properly ground yourself before beginning any installation procedure. See Electrostatic Discharge on page 56 for more information. ENWW Installing a Blade PC 25