Resetting To Factory Default Values; Displaying System Parameter Settings; Disabling An Alarm; Loopback Modes - ADC HiGain H2TU-C-319 List 4E User Manual

Adc higain h2tu-c-319 list 4e line unit user manual
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LTPH-UM-1049-02, Issue 2

Resetting to Factory Default Values

All user options for the H2TU-C, described in
the MODE and LBK pushbuttons. To set the user options to their default values:
1
Press the LBK pushbutton for 6 seconds until the following message appears:
DFLT NO
2
Press the LBK pushbutton until the DFLT NO message is displayed.
The message changes to DFLT YES indicating the factory default values are now in effect and the display
returns to the normal mode.
To terminate the DFLT mode without setting the factory default values, do one of the following:
Press the MODE pushbutton to return to the normal display mode.
Wait 30 seconds for the unit to return to the normal display mode.

Displaying System Parameter Settings

To scroll through the current settings of all system parameters, press the MODE pushbutton for 3 or more seconds.
The H2TU-C displays the following parameters:
H2TU-C software version number
H2TU-C list number
Type of frame pattern received from the DSX-1
Line code of the signal received from the DSX-1
All user-configured parameter settings
Loop attenuation threshold setting
Margin alarm threshold setting

Disabling an Alarm

System alarms can be disabled by pressing the LBK pushbutton on the H2TU-C front panel. This executes an
ACO and returns the H2TU-C to its non-alarm state. For more information, see
page
53.

Loopback Modes

See
"Loopback Operation" on page 55
loopbacks.
H2TU-C-319 List 4E
Table 5 on page
18, can be set to the factory default values using
for instructions on using the MODE and LBK pushbuttons to activate
January 9, 2002
Provisioning
"Retiring System Alarms" on
11

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