General Dynamics LT-3600 User Manual download pdf (Page 23)

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)

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General Dynamics LT-3600 User Manual Page 23