Comtech EF Data MD2401 User Manual
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Table of Contents
CHAPTER 1.
INTRODUCTION .................................................................................. 1–1
1.1
Description ................................................................................................................................... 1–1
1.2
MD2401 Available Options ........................................................................................................ 1–2
1.2.1
Reed-Solomon Codec ........................................................................................................... 1–2
1.2.2
Turbo Codec .......................................................................................................................... 1–2
1.2.3
8PSK (Optional) .................................................................................................................... 1–2
1.3
Ethernet Data Interface (Optional) ........................................................................................... 1–2
CHAPTER 2.
INSTALLATION ................................................................................... 2–1
2.1
Unpacking and Inspection .......................................................................................................... 2–1
2.2
Installation Requirements .......................................................................................................... 2–2
2.3
Mounting Considerations ........................................................................................................... 2–2
2.4
Demodulator Checkout............................................................................................................... 2–4
2.4.1
Initial Power-Up .................................................................................................................... 2–4
2.4.2
Factory Terminal Setup (Refer to Section 4.4) ..................................................................... 2–4
2.4.3
Remote Protocol Factory Default Setup ............................................................................... 2–5
2.5
Storage ......................................................................................................................................... 2–5
CHAPTER 3.
THEORY OF OPERATION .................................................................. 3–1
3.1
Theory of Operation ................................................................................................................... 3–1
3.2
Applications ................................................................................................................................. 3–3
3.2.1
SCPC Point-to-Point Links ................................................................................................... 3–3
3.2.2
SCPC Point to Multi–Point Links in a Broadcast Application ............................................. 3–3
3.2.3
DAMA (Demand Assigned Multiple Access) ...................................................................... 3–4
3.2.4
TDMA (Time Division Multiple Access) Remote Site Application ..................................... 3–4
3.3
3.2 Clocking Options .................................................................................................................. 3–4
3.3.1
RX Buffer Clock Options ..................................................................................................... 3–5
3.3.1.1
RX SAT Clock .................................................................................................................. 3–5
3.3.1.2
SCT: Serial Clock Transmit .............................................................................................. 3–5
3.3.2
EXT REF: External Reference, J2 ........................................................................................ 3–6