Microwave Radio Communications SCM4000, Техническое справочное руководство

Страница: 33 / 274

Routine Operation 3-11 SCM4000 Operator’s Guide/Tech Ref Manual
3.3.1 Fixed or Mobile Installation
For fixed installations, the SCM4000 can be mounted in a
standard 19-inch (48.3 cm) rack. The cabling is permanently
installed and power comes from the facility or site power source.
For mobile applications, the SCM4000 is usually mounted in a
bulkhead or compartment in a 19-inch (48.3 cm) rack. The
cabling is permanently installed and power comes from the
mobile power source.
For power and grounding requirements, refer to the “Installation”
Chapter on page 5-1 (part of the SCM4000 Technical Reference
Manual only).
3.3.2 Powering the SCM4000
The procedures required to power up and power down the
SCM4000 are contained in the following steps. The steps are
applicable to all configurations of the SCM4000.
Power Up
1. Verify the power cable is properly connected to the
SCM4000 rear panel power connector.
2. Verify all coaxial cables and cable connectors are
properly connected to the rear panel connectors.
3. Connect the SCM4000 power cable to AC or DC
power of the correct type, voltage, and polarity, as
applicable to the power option installed in your unit.
If you are unsure of the power requirements or
connections, refer to the
“Installation” Chapter on
page 5-1 (part of the SCM4000 Technical Reference
Manual only).
4. Verify the power source is turned on.
5. Set the SCM4000 rear panel power switch to on ( I ).
- The normal power-up sequence is as follows:
The front panel green POWER LED should illuminate.
- The alphanumeric display should illuminate and the
Main Screen (
Figure 3-7 ) should be displayed.
Note that the Main Screen will differ, depending upon
the hardware configuration of your SCM4000.
See
”Overview” on page 3-12 for the actual Main Screens
that will be displayed on the individual SCM4000
configurations.
Figure 3-7: Main Screen - Typical
Power Down
1. Set the SCM4000 rear panel power switch to off ( O ).
2. Set the power source off, as required.
3.4 Using the SCM4000 Screens
Once the SCM4000 is powered up, you will be able to monitor
and/or change certain operating parameters through the use of
the menus displayed on the front panel alphanumeric display.
All options are dependent upon the actual configuration of
the SCM4000 and the Preset operation mode settings.
After programming the SCM4000 Preset operation mode
settings using the SCM4000 menus, the settings for each Preset
should be recorded. The
“Preset Settings Worksheets”
SCM4000
>> Modulator
System Menu