8611/SM SIGNAL MONITOR OPTION
A-16
APPENDIX A
Table A-3. 8611/SM Commands (Continued)
Command Function
Description
A7
H
SPTI
Selection
Selects Spectral Inversion option. Many receivers have IF outputs that
are spectrally inverted (such as the WJ-8654). Others have IF outputs
that change their “spectral sense’ depending upon what band they are
tuned to (such as the WJ-8654 equipped with a microwave frequency
extender). With options 0 and 1, the WJ-9168 has its “spectral sense”
fixed for either normal or inverted spectrums. With options 2 and 3, the
“spectral sense” is controlled by active high or active low hardware
signals available on the 8611/SM SM CTL connector available on the WJ-
8611 rear panel.
DATA FIELD:
00
H
Software Selected Normal
01
H
Software Selected Inverted
02
H
Hardware Line Selected Active HI
03
H
Hardware Line Selected Active LO
Default: 02
H
- Hardware Line Selected Active HI
Example: A701
H
- Select Inverted Spectrum
A8
H
Input Select
Selects either IF input #1 or IF input #2 for processing.
DATA FIELD:
01
H
- IF Input #1
02
H
- IF Input #2
Default: 01
H
Example: A802
H
- Select IF Input #2
A9
H
Built-In-Test
Built-In-Test (BIT) provides information on current WJ-9168 status. The
WJ-9168 periodically monitors various aspects of its own operation. The
BIT command reports these results; the BIT command does not actually
perform any testing. The report is a single byte whose bits are assigned
as follows:
Bit Definition
7
PLL unlocked, 2nd LO.
6
PLL unlocked, 1st LO.
5
Unit in low power mode after receiving “SLEEP mode 0”
command.
4
Input dc supply voltage out of tolerance.
3
Power supply voltages out of tolerances.
2
RAM error detected during power-up initialization.
1
Invalid setup switch settings.
0
Reset or warm-boot occurred.
A bit value of “0” indicates correct operation; a bit value of “1” indicates an
error or a problem.
Courtesy of http://BlackRadios.terryo.org
Summary of Contents for WJ-8611
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