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I
NSTALLATION
Align the H4TU-C with the shelf card-slot guides and slide the unit in. When the
H4TU-C is properly seated, the retaining latch snaps closed.
P
-U
OWER
When the H4TU-C powers up, the DSL1 and DSL2 LEDs flash red once every
second.
•
If the H4TU-C is unable to communicate with the H4TU-R, the LEDs display
solid red, indicating HBER, MARG, or PWRF alarms.
•
If the H4TU-C is able to communicate with the H4TU-R, the LEDs display solid
green, indicating that the HDSL4 spans are synchronized without error.
Verify the presence of a DS1 signal by confirming that the ALM LED is off (not lit).
If the ALM LED displays red or yellow, a DS1 LOS condition exists. Refer to
to locate the problem.
Verify error-free DS1 transmission by confirming that the DS1, framing (ESF/SF),
and line code (B8ZS/AMI) LEDs display solid colors. Refer to
problem if these LEDs are either flashing or display solid red.
P
ROVISIONING
Perform these basic provisioning tasks:
1
Connect a maintenance terminal to the craft port (see front-panel illustration
inside) and log on. (If logging on through the management unit, the default
password is public.) Press
Refer to the onscreen Help menu for navigational aids or use the
cycle through selections),
display a menu),
arrow keys (to navigate to a menu or item).
2
Select the Config menu, Date and Time, then type the date and time.
3
Select the Inventory menu, then type the unit ID numbers.
4
Change the settings of any system parameters, if necessary, by selecting Config,
then Standard Options or ADC Options. (See
Once the H4TU-C is successfully installed and provisioned, access the Performance
or Event Log menus to clear the Performance, Alarm History, or Event Log screens,
or use Master Clear in the Config menu.
S
P
EQUENCE
CTRL
+
(to activate the current setting, choice, or to
ENTER
F11
(to return to the parent menu), or directional
or
ESC
R
to refresh the logon screen, if necessary.
Table 3
and
Table 2
Table 2
to locate the
(to
SPACEBAR
Table 4
inside.)
Continued
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