Comtech EF Data DMD2401/DMD2401L - Manual (Page 10)

DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem Table of Contents
TM065 - Rev. 3.3 ix
4.3 Terminal Mode Control ___________________________________________ 4-23
4.3.1 Modem Terminal Mode Control ___________________________________ 4-24
4.3.2 Modem Setup for Terminal Mode__________________________________ 4-24
4.4 Remote Port User Interface _______________________________________ 4-35
4.4.1 Protocol Structure _____________________________________________ 4-35
4.4.2 Protocol Wrapper ______________________________________________ 4-35
4.4.3 Frame Description and Bus Handshaking ___________________________ 4-37
4.4.4 Global Response Operational Codes_______________________________ 4-38
4.4.5 Collision Avoidance ____________________________________________ 4-40
4.4.6 Software Compatibility __________________________________________ 4-42
4.4.7 Flow Control and Task Processing ________________________________ 4-42
4.4.8 RLLP Summary _______________________________________________ 4-43
4.4.9 DMD2401 Opcode Command Set _________________________________ 4-44
4.4.10 Modulator Command Set _______________________________________ 4-45
4.4.11 Demodulator Command Set_____________________________________ 4-46
4.4.12 Module Command Set _________________________________________ 4-47
4.4.13 Detailed Command Descriptions _________________________________ 4-47
4.4.13.1 DMD2401 Modulator _________________________________________ 4-47
4.4.13.2 DMD2401 Demodulator_______________________________________ 4-67
4.4.13.3 Module Queries & Commands _________________________________ 4-89
4.4.13.4 Default Values Modulator _____________________________________ 4-95
4.4.13.5 Default Values Demodulator ___________________________________ 4-97
4.5 Terminal Port User Interface _______________________________________ 4-99
Section 5 – Electrical Interfaces
5.0 DMD2401 Connections ____________________________________________ 5-1
5.1 AC Power Input/Switch ____________________________________________ 5-1
5.2 DC Power Input/Switch ____________________________________________ 5-1
5.3 DMD2401 with RS-422/-449 Data Interface ____________________________ 5-2
5.3.1 RCV IF IN (J1) _________________________________________________ 5-2
5.3.2 EXT REF IN (J2) _______________________________________________ 5-2
5.3.3 EXT CLK (J3) __________________________________________________ 5-2
5.3.4 XMIT IF OUT (J4)_______________________________________________ 5-2
5.3.5 TERMINAL (J5) ________________________________________________ 5-2
5.3.6 ALARM (J6) ___________________________________________________ 5-3