Integrated L-Band Up/Dn Converter
LT3600
CG-1309
Page 23
4.4 STATUS REQUESTS
4.4.1 Command Status
{aaS1}
Returns: {aaS1bbbbccccddddeeeefffUL}
Where
bbbb = Up/Converter Frequency (as above)
cccc
=
Down/Converter
Frequency
(as
above)
dddd
=
Up/Converter
Gain
eeee
=
Down/Converter
Gain
fff
=
Ref.
Osc.
Offset
U = 0 for Non-Inverting Up/Converter, 1 for Inverting
L = 0 for Non-Inverting LNB, 1 for inverting
4.4.2 Fractional Frequency Status
{aaSF}
Returns: {aaSFxy}
Where:
x = U/C Fractional Frequency (0 to 7, in 125 kHz increments)
Where:
y
=
D/C
Fractional
Frequency (0 to 7, in 125 kHz increments)
4.4.3 Level Status
{aaS2}
Returns: {S2MLffppeett}
Where:
M = ASCII-hex Char. MSN of bitmapped status
F indicates no alarm in group
D7 – Low = SSPB Lock Alarm
D6 – Low = SSPB Thermal Alarm
D5
–
Low
=
SSPB
Amp
Alarm
D4
–
Low
=
LNB
Alarm
Where:
L = ASCII-hex Char. LSN of bitmapped status
F
indicates
no
alarm
in
group
D3 – Low = Ext. 10 MHz Ref. Osc. Alarm
D2
–
Low
=
Down/Converter Synthesizer Alarm
D1 – Low = Up/Converter Synthesizer Alarm
D0 – Low = Summary Alarm
Where:
ff =
2 Chars., Forward SSPB Power Detection
Range: 00 or 16 to 40 (dBm) (00 = No SSPB)
Where:
pp =
2 Chars., L-Band Output Level Detection
Range:
25
to
+5
(-25
to
+5
dBm)
Where:
rr =
2 Chars., IF Output Level Detection
Range:
25
to
+5
(-25
to
+5
dBm)
Where:
tt =
2 Chars., on board Temperature Monitor
Range:
00
to
70
(0
to
70
°
C)