COMSPHERE 3900 Series Modems
The SDCP LEDs are listed and described in Table 3-2.
Label
Color
OK
green
Alarm
red
BckUp
yellow
Test
yellow
EC
green
Diagnostic Control Panel Operation
The 391x Series modem's diagnostic control panel (DCP) is the user interface to all functions used
to configure and control the modem. In addition to the status LEDs, this interface includes the
liquid crystal display (LCD) and keypad (Figure 3-3).
MOVES
UP ONE
LEVEL FROM
CURRENT
DISPLAY
LEFT
SCROLL
LCD Display
The LCD consists of a top line and bottom line, with each displaying a maximum of
16 characters at a time. If more information is available on the LCD than what is currently
displayed, an indicator appears in the top right or bottom right-hand corner of the LCD. Use the
3-6
Power is ON and the modem is capable of operating.
The modem has detected a problem with its operation. For example, the modem
failed a self-test.
The modem, originally configured for leased-line operation, is now operating on
dial networks in a Dial Backup mode.
The modem is involved in a test. Normal operation is not possible.
The modem is in Error Control mode.
LCD TOP LINE
Leased:19.2
Status
F1
KEY
FUNCTION KEYS
LCD BOTTOM LINE
Figure 3-3. 391x Series LCD and Keypad
or
key to scroll in the indicated direction to display more selections onto the LCD.
Table 3-2
SDCP LEDs
Indicates
HIDDEN CHOICE
INDICATOR
Configure
F2
F3
November 1996
RETURNS
DISPLAY TO
TOP-LEVEL
MENU
RIGHT
SCROLL
KEY
3910-A2-GN32-30