HP EISA/PCI Multiplexer Family Cabling, Diagnostics and Troubleshooting Manual

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Troubleshooting and Diagnostics
Driver Status Menu Selections
If the port name displayed in the device selection box is incorrect, enter
the correct port name in the space provided on the screen. Press Return
key and the lead status for the selected port is displayed as shown in
Figure 6-8. (Or use the arrow key to select Data Scope)
Figure 6-8 Breakout box display
This selection displays the RS-232 lead status . You can check for modem
CD problems as well as the status of output flow-control. Additionally,
transmit rate, receive rate, total characters received, total characters
transmitted and buffered data counters are displayed.