SDM-309B Satellite Modem
Operation
MN/U-SDM309B Rev. #
3–7
SWP-RACQ
Programs the sweep reacquisition mode time duration. The time
selected with this parameter is the time that the modem will remain in
a narrow sweep (± 10%) after acquisition has been accomplished.
After this timer runs out the modem will return to the normal sweep.
On entry the current programmed setting is displayed with a flashing
cursor on the first character. Use the right and left arrow keys to
move the flashing cursor and the up and down arrow keys to
increment and decrement the digit at the flashing cursor. Select the
number of seconds for the reacquisition mode from 0 to 999
seconds. Press the “ENTER” key to execute the change.
**SWP_CNTR
Programs the sweep center frequency for the directed sweep
function. The sweep center frequency may be set in the range from
+25000Hz to -25000Hz.
On entry the current programmed setting is displayed with a flashing
cursor on the first character. Use the right and left arrow keys to
move the flashing cursor and the up and down arrow keys to
increment and decrement the digit at the flashing cursor. Select the
sweepcenter frequency from -25000Hz to +25000Hz. Press the
“ENTER” key to execute the change.
When in directed sweep, the value from the sweep monitor screen
(when the modem was last locked) should be entered for the sweep
center frequency.
**SWP_RNGE
Programs the overall travel of the sweep width range during
acquisition in the directed sweep mode. The sweep width may be set
from 0 Hz to 50000 Hz. (When set at 50000 Hz, the modem is in the
fast acquisition mode).
On entry the current programmed setting is displayed with a flashing
cursor on the first character. Use the right and left arrow keys to
move the flashing cursor and the up and down arrow keys to
increment and decrement the digit at the flashing cursor. Select a
sweep range from 0 Hz to 50000 Hz. Press the “ENTER” key to
execute the change.
When in directed sweep, the smaller the range is, the faster the
modem will lock, provided the sweep center frequency is close.
**SWP_DIR
Programs the direction of the sweep travel in the directed sweep
mode.
On entry the current programmed setting is displayed with the
flashing cursor on the first character. Use the arrow keys to select
Forward (+) or Reverse (-). Press the “ENTER” key to execute the
change.
BERT_set
This function is used to set the BER threshold.
If the BER threshold set is exceeded a receive fault will be indicated
by the modem status indicators. BER threshold may be set from 1E-
3 to 1E-8 or may be disabled by specifying NONE.
On entry the current setting of the BER threshold is dis played. Use
the up and down arrow keys to select the desired setting. Press the
“ENTER” key to execute the change.
* Indicates Test Mode configuration option.
**These windows only show up when the Fast Acquisition has been
turned on in the “Utility” menu.
Содержание SDM-309B
Страница 7: ...Preface SDM 309B Satellite Modem iv Rev 0 This page is intentionally blank ...
Страница 13: ...Table of Contents SDM 309B Satellite Modem x Rev 0 This page is intentionally blank ...
Страница 16: ...SDM 309B Satellite Modem Introduction MN U SDM309B Rev 1 1 3 Figure 1 1 SDM 309B Modem ...
Страница 18: ...SDM 309B Satellite Modem Introduction MN U SDM309B Rev 1 1 5 Figure 1 3 Modular Construction ...
Страница 19: ...Introduction SDM 309B Satellite Modem 1 1 6 MN U SDM309B Rev Figure 1 4 SDM 309B Block Diagram ...
Страница 23: ...Introduction SDM 309B Satellite Modem 1 1 10 MN U SDM309B Rev Figure 1 5 Typical Bit Error Rate Performance ...
Страница 25: ...Introduction SDM 309B Satellite Modem 1 1 12 MN U SDM309B Rev ...
Страница 28: ...SDM 309B Satellite Modem Installation MN U SDM309B Rev 2 2 3 Figure 2 1 Rear Panel View ...
Страница 34: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 3 Figure 3 1 Front Panel View ...
Страница 47: ...Operation SDM 309B Satellite Modem 3 16 MN U SDM309B Rev Figure 3 2 Menu Tree ...
Страница 48: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 17 Figure 3 3 Menu Tree ...
Страница 49: ...Operation SDM 309B Satellite Modem 3 18 MN U SDM309B Rev Figure 3 4 Menu Tree ...
Страница 50: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 19 Figure 3 5 Menu Tree ...
Страница 51: ...Operation SDM 309B Satellite Modem 3 20 MN U SDM309B Rev Figure 3 6 Menu Tree ...
Страница 52: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 21 Figure 3 7 Menu Tree ...
Страница 53: ...Operation SDM 309B Satellite Modem 3 22 MN U SDM309B Rev Figure 3 8 IF Loopback ...
Страница 54: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 23 Figure 3 9 RF Loopback ...
Страница 55: ...Operation SDM 309B Satellite Modem 3 24 MN U SDM309B Rev Figure 3 10 Interface Loopback ...
Страница 56: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 25 Figure 3 11 Baseband Loopback ...
Страница 71: ...Operation SDM 309B Satellite Modem 3 40 MN U SDM309B Rev Figure 3 12 Menu Tree ...
Страница 72: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 41 Figure 3 13 Menu Tree ...
Страница 73: ...Operation SDM 309B Satellite Modem 3 42 MN U SDM309B Rev Figure 3 14 Menu Tree ...
Страница 74: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 43 Figure 3 15 Menu Tree ...
Страница 75: ...Operation SDM 309B Satellite Modem 3 44 MN U SDM309B Rev Figure 3 16 Menu Tree ...
Страница 76: ...SDM 309B Satellite Modem Operation MN U SDM309B Rev 3 45 Figure 3 17 Menu Tree ...
Страница 77: ...Operation SDM 309B Satellite Modem 3 46 MN U SDM309B Rev ...
Страница 80: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 3 Figure 4 1 Monitor Control Card ...
Страница 86: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 9 Figure 4 2 IBS Interface Module ...
Страница 87: ...M C and Interfaces SDM 309B Satellite Modem 4 4 10 MN U SDM309B Rev Figure 4 3 IBS Interface Block Diagram ...
Страница 88: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 11 Figure 4 4 IBS Fault Tree ...
Страница 89: ...M C and Interfaces SDM 309B Satellite Modem 4 4 12 MN U SDM309B Rev Figure 4 5 Jumper Table ...
Страница 95: ...M C and Interfaces SDM 309B Satellite Modem 4 4 18 MN U SDM309B Rev Figure 4 6 IBS Break Out Panel ...
Страница 105: ...M C and Interfaces SDM 309B Satellite Modem 4 4 28 MN U SDM309B Rev Figure 4 8 Drop and Insert Channel Unit ...
Страница 106: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 29 Figure 4 9 Drop and Insert Block Diagram ...
Страница 107: ...M C and Interfaces SDM 309B Satellite Modem 4 4 30 MN U SDM309B Rev Figure 4 10 Drop Insert Fault Tree ...
Страница 108: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 31 Figure 4 11 Drop Insert Jumper Table ...
Страница 112: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 35 Figure 4 12 Drop and Insert Break Out Panel ...
Страница 118: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 41 Figure 4 13 Rear Panel Switch Diagram ...
Страница 120: ...SDM 309B Satellite Modem M C and Interfaces MN U SDM309B Rev 4 4 43 Figure 4 14 Drop and Insert Schematic Diagram ...
Страница 127: ...SDM 309B Satellite Modem Theory of Operation MN U SDM309B Rev 5 5 3 Figure 5 1 Modulator Card ...
Страница 128: ...Theory of Operation SDM 309B Satellite Modem 5 5 4 MN U SDM309B Rev Figure 5 2 Modulator Block Diagram ...
Страница 129: ...SDM 309B Satellite Modem Theory of Operation MN U SDM309B Rev 5 5 5 Figure 5 3 Modulator Output Spectral Occupancy ...
Страница 133: ...SDM 309B Satellite Modem Theory of Operation MN U SDM309B Rev 5 5 9 Figure 5 4 Viterbi Decoder AS 0701 ...
Страница 134: ...Theory of Operation SDM 309B Satellite Modem 5 5 10 MN U SDM309B Rev Figure 5 5 Viterbi Decoder AS 0949 ...
Страница 135: ...SDM 309B Satellite Modem Theory of Operation MN U SDM309B Rev 5 5 11 Figure 5 6 Viterbi Decoder AS 2133 ...
Страница 136: ...Theory of Operation SDM 309B Satellite Modem 5 5 12 MN U SDM309B Rev Figure 5 7 Viterbi Decoder Block Diagram ...
Страница 137: ...SDM 309B Satellite Modem Theory of Operation MN U SDM309B Rev 5 5 13 Figure 5 8 Typical Decoder BER Performance ...
Страница 141: ...SDM 309B Satellite Modem Theory of Operation MN U SDM309B Rev 5 5 17 Figure 5 9 Demodulator Card ...
Страница 142: ...Theory of Operation SDM 309B Satellite Modem 5 5 18 MN U SDM309B Rev Figure 5 10 Demodulator Block Diagram ...
Страница 148: ...SDM 309B Satellite Modem Maintenance MN U SDM309B Rev 6 6 3 Figure 6 1 Typical Output Spectrum ...
Страница 149: ...Maintenance SDM 309B Satellite Modem 6 6 4 MN U SDM309B Rev Figure 6 2 Output Spectrum With Noise ...
Страница 151: ...Maintenance SDM 309B Satellite Modem 6 6 6 MN U SDM309B Rev Figure 6 3 Typical Eye Patterns ...
Страница 152: ...SDM 309B Satellite Modem Maintenance MN U SDM309B Rev 6 6 7 Figure 6 4 Typical Eye Constellations ...
Страница 166: ...SDM 309B Satellite Modem Maintenance MN U SDM309B Rev 6 6 21 Figure 6 10 Rear View Without Cover ...
Страница 171: ...SDM 309B Satellite Modem Data Rates and Filters MN U SDM309B Rev A 3 Figure A 1 Modulator Filter Card Change ...
Страница 172: ...Data Rates and Filters SDM 309B Satellite Modem A 4 MN U SDM309B Rev Figure A 2 Demodulator Filter Card Change ...
Страница 173: ...SDM 309B Satellite Modem Data Rates and Filters MN U SDM309B Rev A 5 Figure A 3 Fixed Rate Modulator Filter ...
Страница 174: ...Data Rates and Filters SDM 309B Satellite Modem A 6 MN U SDM309B Rev Figure A 4 Fixed Rate Demodulator Filter ...
Страница 175: ...SDM 309B Satellite Modem Data Rates and Filters MN U SDM309B Rev A 7 Figure A 5 Variable Rate Modulator Filter ...
Страница 176: ...Data Rates and Filters SDM 309B Satellite Modem A 8 MN U SDM309B Rev Figure A 6 Variable Rate Demodulator Filter ...
Страница 177: ...SDM 309B Satellite Modem Data Rates and Filters MN U SDM309B Rev A 9 ...
Страница 207: ...Remote Control SDM 309B Satellite Modem B B 30 MN U SDM309B Rev Where x xx is the software version number ...
Страница 211: ...External Channel Unit SDM 309B Satellite Modem C C 4 MN U SDM309B Rev Figure C 2 System Interconnect Diagram ...
Страница 212: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 5 Figure C 3 Adapter Cable AS 0749 V 35 ...
Страница 213: ...External Channel Unit SDM 309B Satellite Modem C C 6 MN U SDM309B Rev Figure C 4 Adapter Cable AS 0750 V 35 ...
Страница 214: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 7 Figure C 5 Adapter Cable AS 0751 RS449 ...
Страница 215: ...External Channel Unit SDM 309B Satellite Modem C C 8 MN U SDM309B Rev Figure C 6 Adapter Cable AS 0752 15 Pin D ...
Страница 216: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 9 Figure C 7 Adapter Cable AS 0741 RS449 ...
Страница 217: ...External Channel Unit SDM 309B Satellite Modem C C 10 MN U SDM309B Rev Figure C 8 Adapter Cable AS 0753 15 Pin D ...
Страница 220: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 13 Figure C 9 RS422 MIL STD 188 114 Interface ...
Страница 221: ...External Channel Unit SDM 309B Satellite Modem C C 14 MN U SDM309B Rev Figure C 10 RS422 MIL STD 188 114 Block Diagram ...
Страница 226: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 19 Figure C 11 V 35 Interface Card ...
Страница 227: ...External Channel Unit SDM 309B Satellite Modem C C 20 MN U SDM309B Rev Figure C 12 V 35 Interface Block Diagram ...
Страница 235: ...External Channel Unit SDM 309B Satellite Modem C C 28 MN U SDM309B Rev Figure C 13 Menu Tree ...
Страница 236: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 29 Figure C 14 Menu Tree ...
Страница 237: ...External Channel Unit SDM 309B Satellite Modem C C 30 MN U SDM309B Rev Figure C 15 Menu Tree ...
Страница 238: ...SDM 309B Satellite Modem External Channel Unit MN U SDM309B Rev C C 31 ...
