HP StorageWorks 8/20q HP StorageWorks 8/20q Fibre Channel Switch installation - Page 17
Power supply and fans, Switch management
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The serial port connector requires a null-modem F/F DB9 cable. The pins on the switch RS-232 connector (Figure 6) are identified in Table 2. For information about connecting the workstation through the serial port, see "Connect the management station or workstation to the switch" on page 35. Table 2 Serial port pin identification Pin Number Description Referrred to as 1 Carrier Detect DCD 2 Receive Data RxD 3 Transmit Data (TxD) TxD 4 Data Terminal Ready (DTR) DTR 5 Signal Ground (GND) GND 6 Data Set Ready (DSR) DSR 7 Request to Send (RTS) RTS 8 Clear to Send (CTS) CTS 9 Ring Indicator (RI) RI Power supply and fans The switch has a single power supply that converts 100-240 VAC to DC voltages for the various switch circuits. Four internal fans provide cooling. The switch monitors internal air temperature, and therefore does not monitor or report fan operational status. Air flow is front-to-back. To energize the switch, plug the power cord into the switch AC receptacle (located on the back of the switch) and into a 100-240 VAC power source. Switch management The switch supports the following management tools and protocols: • QuickTools web applet, page 18 • Simple SAN Connection Manager, page 18 • Command line interface, page 18 • Simple Network Management Protocol, page 18 • Storage Management Initiative-Specification (SMI-S), page 18 • File transfer protocols, page 18 8/20q Fibre Channel Switch installation and reference guide 17
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