Comtech EF Data SNM-1001 - Manual (Page 7)

Preface SNM-1001 Network Control Modem
vi Rev. 1
Figures
Figure 1-1. SNM-1001 Network Control Modem................................................................................................. 1–1
Figure 1-2. Typical NMS Configuration ................................................................................................................ 1–3
Figure 1-3. Typical Network Control Channel Configuration ............................................................................... 1–3
Figure 1-4. SNM-1001 Block Diagram................................................................................................................. 1–4
Figure 1-5. SNM-1001 Acquisition Performance ................................................................................................. 1–8
Figure 1-6. SNM-1001 Bit Error Rate Performance (Burst Mode) ....................................................................... 1–9
Figure 2-1. Typical Rack Elevation....................................................................................................................... 2–3
Figure 2-2. Chassis Dimensional Drawing............................................................................................................ 2–3
Figure 2-3. SNM-1001 Rear Panel View .............................................................................................................. 2–4
Figure 3-1. SNM-1001 Front Panel View ............................................................................................................. 3–1
Figure 4-1. Modulator Block Diagram.................................................................................................................. 4–2
Figure 4-2. Demodulator Block Diagram Burst Mode .......................................................................................... 4–5
Figure 4-3. Viterbi Decoder Block Diagram ......................................................................................................... 4–8
Figure 4-4. EIA-422/449 Diagram ........................................................................................................................ 4–13
Figure 5-1. Typical Output Spectrum.................................................................................................................... 5–2
Figure 5-2. Typical Output Spectrum Noise ......................................................................................................... 5–4
Figure 5-3. Typical Eye Constellations ................................................................................................................. 5–5
Figure 5-4. SNM-1001 Fault Tree (Burst Mode) .................................................................................................. 5–8
Figure 5-5. SNM-1001 Fault Tree (Continuous Mode)......................................................................................... 5–9
Tables
Table 1-1. Burst Mode Specifications ................................................................................................................... 1–5
Table 1-2. Continuous Mode Specifications ......................................................................................................... 1–6
Table 1-3. Burst Mode BER Specifications .......................................................................................................... 1–7
Table 2-1. Rear Panel Connectors ......................................................................................................................... 2–4
Table 4-1. M&C Jumper Settings (AS/4973)........................................................................................................ 4–2
Table 5-1. Adaptive Broadband Part Numbers for Various Modules ................................................................... 5–13