User manual

DTS Broadcast PDH Microwave Digital Radio User Manual
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Step 2: Once all connections have been made, apply power to the IDU by connecting energized
power connector. The L54 will now begin the start up self-diagnostic sequence. If the L54 does
not appear to power up, check the applied voltage and power line, ground line. Be care the poritor of
2-pin power connector, do not make wrong position.
5.4 Power on
For your personal safety when handling, installing, or replacing ODUs, you must Switch off the
IDU and disconnect the IDU/ODU cable from the ODU before removing the ODU.
When an ODU/IDU pair is powered up together, the IDU front panel “CABL” LED will light on,
while the system performs its self-diagnostics. If IDU and ODU are properly connected, “CABL” LED
will be light off. If “CABL” led remains on the display after a few seconds, verify that the ODU is
present and check continuity of the IDU/ODU cable connection.
When an ODU/IDU pair is powered up together, the IDU LCD panel will
display ”
”, while the system performs its self-diagnostics.
Caution.
Once power has been applied to the IDU, the N-type connector marked “ODU” on the IDU front
panel will be energized. Ensure that the power is off before connecting or disconnecting cable to the
IDU or ODU.
5.5 Setup Routine
This setup routine need only be performed when an IDU/ODU pair is first powered up together.
The follow setup procedures are run by LCD panel, no computer and network management system
needed. Serveral parameters are not necessary to configure. See section 6 for a more detailed account
of keypad operations and other common operating procedures.
5.5.1 Power on
The L54 requires DC power via a 2-pin connector. When an IDU/ODU pair is powered up for
the first time, “CABL” on the front panel LED will light on while the unit performs a self-check for
ODU-IDU compatibility. If the units are correctly installed, “CABL” will light off. If “CABL” remains
light on after a few seconds, check for one of the following:
• ODU not installed
• Improper cable connection