Comtech EF Data DD2401 User Manual
Page 8

Table of Contents
DD2401 Satellite Demodulator
viii
MN-DD2401 - Rev. G
Section 4 - User Interfaces ........................................................................................ 4-1
4.0 User Interfaces __________________________________________________________ 4-1
4.0.1 Front Panel User Interface ________________________________________________ 4-1
4.1 DD2401/VME2401/MD2401 DEMODULATOR Remote Port Control (J3) _____________ 4-1
4.2 DD2401/VME2401/MD2401 Demodulator Terminal Mode Control (J1) _______________ 4-1
4.3 Terminal Port User Interface ________________________________________________ 4-2
4.3.1 Connecting the Terminal _________________________________________________ 4-2
4.3.2 Terminal Screens _______________________________________________________ 4-3
4.4 Remote Port USer Interface ________________________________________________ 4-6
4.4.1 Protocol Structure _______________________________________________________ 4-6
4.4.2 Protocol Wrapper _______________________________________________________ 4-6
4.4.3 Frame Description and Bus Handshaking ____________________________________ 4-8
4.4.4 Global Response Operational Codes ________________________________________ 4-9
4.4.5 Collision Avoidance ____________________________________________________ 4-10
4.4.6 Software Compatibility __________________________________________________ 4-11
4.4.7 Flow Control and Task Processing _________________________________________ 4-11
4.4.8 RLLP Summary _______________________________________________________ 4-12
4.4.9 DD2401/DD2401L Opcode Command Set __________________________________ 4-13
4.4.10 Demodulator Command Set _____________________________________________ 4-13
4.4.11 Module Command Set _________________________________________________ 4-14
4.4.12 Detailed Command Descriptions _________________________________________ 4-14
4.4.12.1 DMD2401 Demodulator _______________________________________________ 4-14
4.4.12.2 Module Queries & Commands _________________________________________ 4-36
4.4.12.3 Default Values Demodulator ___________________________________________ 4-39
Section 5 - Electrical Interfaces................................................................................. 5-1
5.0 DD2401 Connections _____________________________________________________ 5-1
5.1 Power __________________________________________________________________ 5-1
5.2 Terrestrial Data I/F ________________________________________________________ 5-2
5.3 EXT REF _______________________________________________________________ 5-2
5.4 SERIAL CONTROL I/F ____________________________________________________ 5-3
5.5 RX IN __________________________________________________________________ 5-3
5.5.1 70/140 MHz ___________________________________________________________ 5-3
5.5.2 L-Band _______________________________________________________________ 5-3
5.6 Remote Addresses _______________________________________________________ 5-3