Monitoring Hub Performance2-21Using the FRX4000, FRX6000, and SmartSwitch 1800 Hub ViewInterface Description: Displays a general description of the selected serialinterface (from the MIB II ifDescr), including the indexnumber assigned to the port’s RLP; the physical numberassigned to the port interface itself (as designated in thePort Index box in the Hub View), and a general textdescription of the port, including the protocol currentlyconfigured to run over that port.Port Type: Displays the type of protocol the selected port has beenconfigured to run, as defined by the OID nlIfType. Notethat this is the same information displayed by the PortType port display form (described on page 2-13).Serial Port Pin StatusYou can also view the electrical status of each pin on the cables attached to a serialport; this information can be useful in tracking down connectivity problems,especially those related to cable failure.To view serial port pin status:1. In the Hub View, click on the appropriate Port Index or Port Status text box todisplay the Port Menu (see Figure 2-3, page 2-6).2. Drag down to Pin Status, and release. The Pin Status window, Figure 2-10,will appear.TIPNote that the index number assigned to the physical port interface is not the same as theifIndex assigned to that same physical interface. The physical port indices begin with 0;the ifIndex values begin at 1.NOTEThe current version of firmware for the SmartSwitch 1800 does not support the SerialPort Pin Status function on its two voice ports.