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Routine Operation
3-6
Routine Operation
3-6
MRX4000 PLUS
Operator’s Guide/
Technical Reference Manual
DC Power Connector with Fuse
In the DC option, the DC
power connector provides connection to the removable external
power cable. The DC power connector also contains a DC input
power fuse.
IF IN Connector
The IF IN 75 ohm BNC female connector
provides the input connection for 70 MHz IF to the unit.
SERIAL/LQ Connector
The
SERIAL L/Q
9-pin female D-
connector provides remote serial control and also provides DC
voltages to monitor Link Quality (LQ) in the digital mode, or
Received Carrier Level (RCL) in the analog mode.
IF OUT Connector
The
IF OUT
75 ohm BNC female connector
provides the 70 MHz IF output signal.
VIDEO OUT Connector
The
VIDEO OUT
75 ohm BNC female
connector provides buffered video output selected from the FMR
module. The video output is also routed via a video low pass
filter (LPF) to remove audio subcarriers or through a bypass filter
for other applications.
VIDEO MON Connector
The
VIDEO MON
75 ohm BNC female
connector provides buffered video output selected from the FMR
module. The video output is also routed via a video low pass
filter (LPF) to remove audio subcarriers or through a bypass filter
for other applications or for monitoring purposes.
BB OUT Connector
The
BB OUT
75 ohm BNC female
connector provides baseband output unfiltered buffered video
from the FMR module for processing of audio subcarriers.
900 MHZ OUT Connector
The
900 MHZ
75 ohm BNC female
connector provides a spectrum analyzer output for monitoring
on a Troll Remote Control System.
Figure 3-3: MRX4000 PLUS Analog Configuration Connectors
POWER IN
IF IN
+24V OUT
- +
SUM ALARM
FUSE
IF OUT
VIDEO OUT
VIDEO MON
AUDIO
1
2
3
4
BB OUT
900 MHZ
CONTROL
RF
IN
SERIAL/LQ
RS-232 Connector
(Behind Access
Cover)
Front View
Rear View
IF IN
IF OUT
VIDEO
OUT
VIDEO
MON
BB
OUT
AUDIO 1
AUDIO 2
AUDIO 3
AUDIO 4
+24V
SUM
ALARM
Fuse
900 MHZ
OUT
RF
CONTROL (Future
Option - Not currently
active)
SERIAL/LQ
POWER IN
FUSE
DC Power
Connector
Fuse
AC Power
Connector
with Fuse
Summary of Contents for MRX4000 PLUS
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