Routine Operation
3-7
MRX4000 PLUS
Operator’s Guide/
Technical Reference Manual
RF IN Connector
The type “N”
RF IN
connector provides the
RF input from a remote antenna to the MRX4000 PLUS internal
Low Noise Converter.
+24V OUT Connector
The
+24V
OUT
2-pin
connector provides
constant (fused) +24 VDC output power for external LNB
applications.
SUM ALARM Connector
The
SUM ALARM
9-pin female D-
connector provides summary alarm data for common faults and
events.
Fuse
The fuse provides protection for +24 VDC output power
for external LNB applications.
AUDIO 1 thru 4 Connectors
The
AUDIO 1
thru
4
3-pin output
connectors provide analog/digital switchable stereo audio signal
outputs from the FMR module.
CONTROL Connector
The
CONTROL
RJ-45 connector
provides Ethernet I/O connections for system control. (Future
option - Not currently active.)
3.3
Preparing for Operation
Each installation or deployment will have its own specific tasks
according to the application and the installed hardware.
3.3.1
Fixed or Mobile Installation
For fixed installations, the MRX4000 PLUS is 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 MRX4000 PLUS 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.
3.3.2
Powering the MRX4000 PLUS
The steps required to power up and power down your MRX4000
PLUS are contained in the following steps.
Power Up
1.
Verify the power cable is properly connected to the
rear panel power connector.
2.
Verify all coaxial cables and cable connectors are
properly connected to the rear panel connectors.
3.
Connect the MRX4000 PLUS power cable to AC or
DC power of the correct type, voltage and polarity, as
applicable to the power option contained on your unit.
If you are unsure of the power requirements or
connections, refer to the “
Installation
” chapter (part of
the MRX4000 PLUS
Technical Reference Manual
only).
4.
Verify the power source is turned on.
5.
Set the MRX4000 PLUS rear panel power switch (AC
power option only) to on (
I
).
6.
After approximately a 10 second delay following
application of power, the normal power-up sequence is
as follows:
-
The front panel green
POWER
LED should illuminate .
-
The alphanumeric display will illuminate and the Main
screen (
Figure 3-4 on page 3-8
) will be displayed.
Summary of Contents for MRX4000 PLUS
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