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COMSPHERE 3821Plus Modem
1-4 February 1998 3821-A2-GB20-30
SDCP Operation
The SDCP on the 3000 Series Carrier is the user
interface to all functions used to configure and control the
3821Plus modem. This interface includes the status
LEDs, and a two-line, 32-character Liquid Crystal
Display (LCD) and keypad (Figure 1-2).
F1
Idle:33.6 >
MDMA mdmb mdmc
F2
F3
TOP
HIDDEN
INDICATOR
RETURNS
DISPLAY TO
TOP-LEVEL
MENU
RIGHT
SCROLL
KEY
MOVES UP
ONE LEVEL
FROM CURRENT
FUNCTION KEYS
LCD BOTTOM LINE
LEFT
SCROLL
KEY
LINE
CHOICE
LCD
DISPLAY
Figure 1-2. SDCP Keypad
LCD
The LCD consists of a top line and bottom line, with
each displaying a maximum of 16 characters at a time. If
additional information is available than what is currently
displayed, a hidden choice indicator (< or
or >)
appears in the upper right-hand corner of the LCD. The
list of choices does not scroll around to the first choice
when you reach the last choice. The
and keys
allow you to display the other choices.
If a local 3800Plus modem establishes a connection
with a remote 3800Plus modem via the Remote branch,
then
appears in place of the hidden choice indicator on
both modems.
Keypad
The SDCP of the COMSPHERE 3000 Series Carrier
has eight keys.
Key
The key returns you to the Top-Level menu
display from anywhere in the menu tree.
Pressing
while changing configuration options
displays the message Save Straps? Yes No. If No is
selected, changes made to configuration options are not
saved and the Top-Level menu appears. If Yes is selected,
then changes are saved to either Active (Saved),
Customer 1, or Customer 2 configuration areas.
Key
The key moves you up one level in the menu tree.
and
Keys
Use the and keys to move the viewing
window left or right and to scroll the remaining branches
and selections into view. A maximum of three selections
can be displayed at one time.
These keys also allow you to move the cursor one
character to the left or right on data entry displays; for
example, to allow entry of one digit at a time.
F1, F2, F3 Keys
Function keys select the LCD choice that appears
above the function key; they are labeled F1, F2, and F3. If
a selection spans more than one function key, then any of
those keys choose that selection.
Numerical Scroll Indicators
" #
To enter a number on the SDCP, such as a telephone
number to be stored in the modem’s directory, use the
function keys F2 (") or F3 (#). A displayed number is
increased or decreased according to whether the key
associated with the up arrow or the down arrow is pressed.
In other applications, such as password entry, only the up
arrow is displayed, and the displayed numbers can only be
incremented.
Select
Key
The
Select
key is used to connect the SDCP to a card
in a specific slot in the carrier. The Front Panel LED of
the 3821Plus card turns ON when the SDCP is connected
to it.