Modem Escape Sequence
Enter the ASCII escape string to be sent to the modem before sending a command string. This string
can be up to ve characters long and is typically set to +++. If this eld is left empty, the BMC uses
+++. The modem escape sequence is not sent to the modem if DTR Hang-up is enabled on the initial
Serial/Modem Channel Conguration Sub-task screen.
Hang-up Sequence
Enter the ASCII string that is sent to the modem to terminate the session. This string can be up to
eight characters long is typically set to ATH. The BMC automatically follows this string with an <Enter>
character when sending it to the modem. If this eld is left empty, the BMC uses ATH. The hang-up
sequence is not sent to the modem if DTR Hang-up is enabled on the initial Serial/Modem Channel
Conguration Sub-task screen.
Dial Command
Enter the ASCII string for the modem string used to initiate a dial sequence with the modem. If this
parameter is left empty, the BMC uses ATD.
Ring Duration
The Modem Ring Time setting species the time it takes the BMC to claim the serial connection
after detecting the phone ringing while monitoring the Ring Indicator (RI) line. By conguring the Ring
Duration, you can specify the amount of time that the BMC takes to switch the mux when RI is rst
detected. The ring duration and ring dead time have meaning only when the serial/modem channel
access mode is set to shared.
The default values that are stored in rmware need to be adjusted for the phone in the region where
the server/modem is located. The suggested ring duration for a US phone is 10000 ms.
The ring duration value should be entered in 500 ms increments; the SMU will round entries down
to the nearest 500 ms. A value of 0 congures the BMC to switch the mux immediately on the rst
detected transition of RI.
Enter a value between 0 and 31509; be aware that the SMU rounds values down to the nearest
500 ms, so the maximum valued used is 31500.
Ring Dead Time
This setting allows you to specify the amount of time that the RI signal must be deasserted before
the BMC determines that ringing has stopped. The ring duration and ring dead time have meaning
only when the serial/modem channel access mode is set to shared.
The ring duration value should be entered in 500 ms increments and the SMU will round entries
down to the nearest 500 ms. A value of 0 congures the BMC to switch the mux immediately on the
rst detected transition of RI. The value entered should reect any dependencies on modem type,
location of server, and the phone line carrier.
The default values that are stored in rmware need to be adjusted for the phone in the region where
the server/modem is located. The suggested ring dead time for a US phone is 7000 ms.
Enter a value between 0 and 7999; be aware that the SMU rounds values down to the nearest 500 ms,
so the maximum valued used is 7500.
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