Comtech EF Data SNM-1010L - Manual (Page 12)

SNM-1010L Data/Control Modem Revision 0
Preface MN/SNM1010L.OM
Figures
Figure 1-1. SNM-1010L Data/Control Modem ................................................................................... 1–1
Figure 1-2. SNM-1010L Block Diagram............................................................................................. 1–2
Figure 1-3. SNM-1010L Control/Traffic Mode................................................................................... 1–3
Figure 1-4. Call Setup & Termination Phases ..................................................................................... 1–5
Figure 1-5. Typical Spectral Occupancy............................................................................................ 1–13
Figure 1-6. SNM-1010L Dimenional Envelope................................................................................. 1–14
Figure 2-1. Installation of the Mounting Bracket................................................................................. 2–3
Figure 2-2. SNM-1010L Rear Panel .................................................................................................... 2–4
Figure 3-1. SNM-1010L Front Panel View ......................................................................................... 3–1
Figure 3-2. Keypad .............................................................................................................................. 3–3
Figure 3-3. Main Menu ........................................................................................................................ 3–6
Figure 3-4. Baseband Loopback ........................................................................................................ 3–22
Figure 5-1. EIA-449, EIA-530, and V.35 Master/Master Clocking Block Diagram ........................... 5–3
Figure 5-2. Master/Slave Clocking Block Diagram............................................................................. 5–4
Figure 5-3. Clock Slip.......................................................................................................................... 5–8
Figure 5-4. Doppler Shift..................................................................................................................... 5–9
Figure 6-1. DAC Block Diagram......................................................................................................... 6–2
Figure 6-2. Modulator Block Diagram ................................................................................................ 6–7
Figure 6-3. BPSK Ordering ................................................................................................................. 6–9
Figure 6-4. Demodulator Block Diagram .......................................................................................... 6–13
Figure 7-1. Typical Output Spectrum (with Noise) ........................................................................... 7–11
Figure 7-2. Typical Output Spectrum (without Noise) ...................................................................... 7–11
Figure 7-3. Typical Eye Constellations.............................................................................................. 7–14
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