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Comtech EF Data MD2401 User Manual

Page 6

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MD2401 L-Band Multi Demod Installation and Operation Manual

Revision 7

Table of Contents

MN-MD2401

iv

3.4

MD2401 Reed-Solomon .............................................................................................................. 3–6

3.4.1

Reed-Solomon Codec ........................................................................................................... 3–6

3.4.2

Reed-Solomon Operation in the MD2401 Demodulator ...................................................... 3–6

3.4.3

Reed-Solomon Code Rate ..................................................................................................... 3–6

3.4.4

Interleaving ........................................................................................................................... 3–7

CHAPTER 4.

USER INTERFACES............................................................................ 4–1

4.1

User Interfaces ............................................................................................................................ 4–1

4.1.1

Front Panel User Interface .................................................................................................... 4–1

4.2

MD2401 Demodulator Remote Port Control (J5) .................................................................... 4–1

4.3

MD2401 Demodulator Terminal Mode Control (J1) ............................................................... 4–2

4.4

Terminal Port User Interface ..................................................................................................... 4–2

4.4.1

Connecting the Terminal ....................................................................................................... 4–2

4.4.2

Terminal Screens................................................................................................................... 4–3

4.5

Remote Port User Interface (J5) .............................................................................................. 4–10

4.5.1

Protocol Structure ............................................................................................................... 4–10

4.5.2

Protocol Wrapper ................................................................................................................ 4–10

4.5.3

Frame Description and Bus Handshaking ........................................................................... 4–12

4.5.4

Global Response Operational Codes ................................................................................... 4–13

4.5.5

Collision Avoidance ............................................................................................................ 4–14

4.5.6

Software Compatibility ....................................................................................................... 4–15

4.5.7

Flow Control and Task Processing ..................................................................................... 4–16

4.5.8

RLLP Summary .................................................................................................................. 4–16

4.5.9

MD2401 Opcode Command Set ......................................................................................... 4–18

4.5.10

Demodulator Command Set ................................................................................................ 4–18

4.5.11

Module Command Set ........................................................................................................ 4–18

4.5.12

Detailed Command Descriptions ........................................................................................ 4–19

4.5.12.1 DMD2401 Demodulator ................................................................................................. 4–19

4.6

If G.703 Daughter Card Installed ............................................................................................ 4–23

4.7

4.4.12.2 Module Queries & Commands ................................................................................. 4–41

4.8

4.4.12.3 Default Values Demodulator ..................................................................................... 4–44

CHAPTER 5.

REAR PANEL INTERFACES .............................................................. 5–1

5.1

MD2401 Connections .................................................................................................................. 5–1

5.2

Power ............................................................................................................................................ 5–2

5.3

Terrestrial Data & Terminal Control Interface (J1) ............................................................... 5–2

5.4

Ethernet Data Interface .............................................................................................................. 5–3