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COMSPHERE 3821Plus Modem
3-12 February 1998 3821-A2-GB20-30
Identity
Identity displays the modem’s serial number, model
number, firmware revision level, hardware part number
and firmware part number. Retrieval of this information
is useful if you are purchasing additional or replacement
modems and/or making firmware upgrades.
To access Identity from the initial screen of the Status
branch, press the F2 or F3 key to select Identity.
The modem’s serial number is displayed on the
LCD’s bottom line. Press the
key to scroll and view
the model number, firmware revision level, hardware
part number, and firmware part number.
Ser # Serial number is an 8-digit number
that identifies the modem.
Mod # Model number is an alphanumeric
number that identifies the modem as a
3821Plus.
FRev Firmware revision level is an
alphanumeric number that identifies
the level of firmware loaded in the
modem.
HPt # Hardware part number is an 11-digit
number that identifies the circuit card
in the modem.
FPt # Firmware part number is an 11-digit
number that identifies to customer
service personnel the firmware release
number.
Country Country is a 7-character field showing
the country or continent the modem is
configured for use in.
To exit this function and remain in the Status branch,
press the
key. To exit and return to the Top-Level
menu, press the
key.
DTE
DTE displays the state and/or activity of the
EIA-232-D interface leads. The LSD, DTR, DSR, Tst,
TXD, RXD, RTS, and CTS signals are monitored. The
interface leads status is updated every 5 seconds.
To access DTE from the Status branch, make the
following selections:
1. Press the
key until DTE appears.
2. Select DTE. The activity and state of the modem’s
DTE signal appear on the LCD’s bottom line.
3. Press the
key to scroll other signals into view.
The LCD’s bottom line displays a pair of symbols for
each interface lead. The first symbol indicates the
signal’s activity during the sampling interval. (An *
(asterisk) indicates at least one transition while a blank
space indicates no transitions since the last update.)
The second symbol indicates the state of the interface
lead at the sampling time. (A
block) indicates a Space
or ON condition while an underscore (_) indicates a
Mark or Off condition.)
To exit this function and remain in the Status branch,
press the
key. To exit and return to the Top-Level
menu, press the
key.
Options
The Options branch lists special features installed in
the 3821Plus modem.
Record
Record is a troubleshooting tool used by the end user
in conjunction with support personnel. This function
allows the end user to retrieve and report any sequence
faults to support personnel. A sequence fault is an
irregular or unexpected event.
There are two selections under Record: Display and
Clear. Display allows up to eight sequence fault
messages that have been recorded by the modem to be
displayed on the LCD. If no sequence faults have
occurred, then Modem O.K. appears.
Clear is used to remove all sequence fault messages
from nonvolatile memory and the LCD.
To access Record from the Status branch, press the
key until Record appears. Select Record.
To display sequence faults, select Display.
The LCD displays the first sequence fault field.
(Sequence fault fields range from 1 to 8 and are
identified by a number in the upper right corner.) Press
the
key to view the remaining fields. The message
Modem O.K. appears if no sequence faults have
occurred.
To remove sequence fault records from both the LCD
and nonvolatile memory, select Clear. The message
Modem O.K. appears.