Comtech EF Data SDR-54A - Manual (Page 20)

SDR-54A Satellite Demodulator Revision 4
Installation MN/SDR54A.IOM
2.2 System Installation
Note: The demodulator is configured at the factory. Use the remote control interface on the
front or rear panel to alter the configuration. For information on configuration and remote
control, refer to Appendix A.
After unpacking the system as outlined in Section 2.1, install the system as follows:
1. Attach an LNB converter to the antenna and connect one end of the
LNB/demodulator interconnecting cable to the LNB coaxial output.
2. Refer to Figure 2-1 prior to cabling the demodulator, the output data port must be
configured for the appropriate interface: RS-232 or RS-422.
a. The interface is configured as RS-422 at the factory.
b. If RS-232 is required, remove the demodulator cover, locate the jumpers of
JP8 (directly behind the DATA OUT connector), and reposition , as outlined
in Chapter 3.
REED-SOLOMON
OPTION
POWER
SUPPLY
LNB
COMMAND BUS
DEMOD
CODE
INTERFACE
DATA
CLK
MONITOR
&
CONTROL
DEMUX
OPTION EFD
8-CHANNEL
J6
J5
J4
J3
J2
DEMUX
OPTION EFD
24-CHANNEL
90 TO 264 VAC:
47 TO 63 Hz
L-BAND
IF INPUT L-BAND
WAVEGUIDE 950 TO 1550 MHz
-30 TO -80 dBm
+24 VDC
1.5A
CLK/
DATA
OUT
EIA-422 OR
EIA-232
CLK/
DATA
OUT
EIA-422 OR
EIA-232
REMOTE
SERIAL
INTERFACE
EIA-232
FRONT PANEL
M&C REMOTE
SERIAL INTERFACE
EIA-232
DATA
J1
CLK
Figure 2-1. Interconnect Diagram
3. Connect the AC power cord and turn on the demodulator. The front panel
POWER indicator should illuminate and the FAULT indicator should be off.
4. Configure the demodulator. Refer to Appendix A for specific demodulator
configuration information.
2–2