Comtech EF Data DMD2401/DMD2401L User Manual
Page 13
Table of Contents
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
xii
TM065 - Rev. 3.3
5.8.12 RD (J12) ____________________________________________________ 5-30
5.8.13 ESC ALARMS (J14) ___________________________________________ 5-30
5.8.14 ESC 8K DATA (J15)___________________________________________ 5-31
5.8.15 G.703 BAL (J16) _____________________________________________ 5-32
5.8.16 ESC 64K Data/Voice/Async (J17) ________________________________ 5-32
5.9 Async Port Configuration Switches __________________________________ 5-34
5.9.1 AS/3771 Daughter Card_________________________________________ 5-35
5.9.2 AS/4803 Daughter Card_________________________________________ 5-36
Section 6 – Maintenance
6.0 Periodic Maintenance _____________________________________________ 6-1
6.1 Troubleshooting _________________________________________________ 6-1
6.2 DMD2401 Fault Philosophy_________________________________________ 6-1
6.2.1 Alarm Masks___________________________________________________ 6-2
6.2.2 Active Alarms __________________________________________________ 6-2
6.2.2.1 Major Alarms _________________________________________________ 6-2
6.2.2.2 Minor Alarms _________________________________________________ 6-2
6.2.2.3 Latched Alarms _______________________________________________ 6-2
6.3 DMD2401 Fault Tree Matrices ______________________________________ 6-2
6.3.1 Interpreting the Matrices _________________________________________ 6-4
6.4 DMD2401 Bit Error Rate (BER Curves) _______________________________ 6-4
6.5 DMD2401 AGC Curve_____________________________________________ 6-7
Section 7 – Technical Specifications
7.0 Introduction _____________________________________________________ 7-1
7.1 Transmit and Receive Data Rates ___________________________________ 7-1
7.2 Modulator Specifications ___________________________________________ 7-1
7.3 Demodulator Specifications ________________________________________ 7-1
7.4 Front Panel LED Indicators _________________________________________ 7-2
7.5 Monitor and Control_______________________________________________ 7-3
7.6 Options ________________________________________________________ 7-3
7.7 Environmental ___________________________________________________ 7-3
7.8 Physical ________________________________________________________ 7-3