HP StorageWorks 8/20q Fibre Channel Switch Installation and Reference Guide 13
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” (page 38).
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 14
• Simple SAN Connection Manager, page 14
• Command line interface, page 14
• Enterprise Fabric Management Suite, page 14
• Simple Network Management Protocol, page 14
• Storage Management Initiative–Specification (SMI-S), page 15
• File transfer protocols, page 15
Table 2 Serial port pin identification
Pin Number Description Referred to as
1 Carrier Detect DCD
2Receive 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
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