Comtech EF Data SNM-1000 - Manual (Page 8)

SNM-1000 Node Control Modem Revision 3
Preface MN/SNM1000.IOM
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CHAPTER 3. OPERATION.............................................................................................. 3–1
3.1 Front Panel........................................................................................................................................................3–1
3.1.1 LED Indicators...........................................................................................................................................3–2
3.1.2 Front Panel Keypad ...................................................................................................................................3–3
3.2 Menu System.....................................................................................................................................................3–4
3.3 Front Panel Menu.............................................................................................................................................3–5
3.4 OPENING SCREEN ........................................................................................................................................3–6
3.4.1 FUNCTIONAL SELECT:CONFIGURATION ........................................................................................3–6
3.4.1.1 CONFIGURATION:MODULATOR ...............................................................................................3–6
3.4.1.1.1 MODULATOR:TX-X ..................................................................................................................3–6
3.4.1.1.2 MODULATOR:TX-IF
FREQUENCY.........................................................................................3–7
3.4.1.1.3 MODULATOR:TX-IF OUTPUT.................................................................................................3–7
3.4.1.1.4 MODULATOR:TX POWER LEVEL..........................................................................................3–7
3.4.1.1.5 MODULATOR:SCRAMBLER....................................................................................................3–8
3.4.1.1.6 MODULATOR:DIFF.ENCODER ...............................................................................................3–8
3.4.1.1.7 MODULATOR:CARRIER
MODE..............................................................................................3–8
3.4.1.1.8 MODULATOR:MODEM REFERENCE.....................................................................................3–9
3.4.1.1.9 MODULATOR:RS
ENCODER ...................................................................................................3–9
3.4.1.2 FUNCTIONAL SELECT:DEMODULATOR..................................................................................3–10
3.4.1.2.1 DEMODULATOR:ASSIGNED FILTERS ..................................................................................3–10
3.4.1.2.2 DEMODULATOR:RX-IF FREQUENCY ...................................................................................3–10
3.4.1.2.3 DEMODULATOR:DESCRAMBLER .........................................................................................3–11
3.4.1.2.4 DEMODULATOR:DIFF.
DECODER .........................................................................................3–11
3.4.1.2.5 DEMODULATOR:RF LOOP BACK ..........................................................................................3–11
3.4.1.2.6 DEMODULATOR:IF LOOP BACK ...........................................................................................3–11
3.4.1.2.7 DEMODULATOR:BER THRESHOLD ......................................................................................3–12
3.4.1.2.8 DEMODULATOR:SWEEP CENTER.........................................................................................3–12
3.4.1.2.9 DEMODULATOR:SWEEP
RANGE...........................................................................................3–12
3.4.1.2.10 DEMODULATOR:REACQUISITION........................................................................................3–13
3.4.1.2.11 DEMODULATOR:RS
DECODER..............................................................................................3–13
3.4.1.3 CONFIGURATION:INTERFACE...................................................................................................3–14
3.4.1.3.1 INTERFACE:TX CLOCK SOURCE...........................................................................................3–14
3.4.1.3.2 INTERFACE:TX CLOCK PHASE..............................................................................................3–14
3.4.1.3.3 INTERFACE:EXT-CLK FREQ ...................................................................................................3–15
3.4.1.3.4 INTERFACE:BUFFER CLOCK..................................................................................................3–16
3.4.1.3.5 INTERFACE:RX CLOCK PHASE..............................................................................................3–16
3.4.1.3.6 INTERFACE:B-BAND LOOP BACK.........................................................................................3–17
3.4.1.3.7 INTERFACE:BUFFER SIZE.......................................................................................................3–18
3.4.1.3.8 INTERFACE:BUFFER CENTER................................................................................................3–18
3.4.1.3.9 INTERFACE:LOOP TIMING .....................................................................................................3–19
3.4.1.4 CONFIGURATION:SAVE ..............................................................................................................3–19
3.4.1.5 CONFIGURATION:RECALL .........................................................................................................3–19