Digital Link DL3800 DS1, Руководство пользователя

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4-18 DL3800 DS1 Inverse Multiplexer User Guide—February 1999
4
Network Configuration
This menu item allows the user to set various parameters of each of the T1
lines, as well as select the primary and secondary clock sources, and
various thresholds.
To access the NETWORK CONFIGURATION MENU, move the highlight
bar to
NETWORK CONFIGURATION
in the CONFIGURATION MENU and press
Enter
.
The DL3800 is ordered from the factory for operation as either a DSX-1 or a
CSU. The NETWORK CONFIGURATION MENU will be slightly different,
depending on which version DL3800 is being used.
Figure 4-11 shows the
NETWORK CONFIGURATION MENU of the DSX version. Table 4-7
describes the various parameters included.
TM (Test Mode) This allows the user to Assert, DeAssert, or set to Automatic the TM leads.
To change or set the TM lead status, use the up and down arrow keys to
highlight
TM
, and use the Space Bar to toggle between
Assert
,
DeAssert
, or
Automatic
until the desired choice appears. Highlight
Confirm
, and press
Enter
to confirm the change. (In Automatic mode,
the 3800 places the signal high when the DCE’s signal leads for enabling
tests are placed high by the DTE.) (Default - Automatic)
DTE Loss Detection This allows the user to set the criteria by which a DTE Loss Of Signal will
be detected.
To change or set the DTE LOS criteria, use the up and down arrow keys to
highlight
DTE LOSS DETECTION
, and use the Space Bar to toggle
between the choices:
RTS
,
DTR
, and
None
. When the desired choice is
shown, highlight
Confirm
, and press
Enter
to confirm the change.
(Default - RTS)
Table 4-6 DTE CONFIGURATION MENU Options (Continued)
Parameter Description/Action