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