Comtech EF Data DMDVR20 LBST Rev 1.1 User Manual
Page 8
DMDVR20 LBST Satellite Modem
Table of Contents
TM136 – Rev. 1.0
ix
4.4 Terminal Mode Control___________________________________________________ 4-30
4.4.1 Modem Terminal Mode Control___________________________________________ 4-30
4.4.2 Modem Setup for Terminal Mode _________________________________________ 4-30
4.5 Terminal Port User Interface ______________________________________________ 4-31
4.6 Connecting the Terminal _________________________________________________ 4-31
4.7 Terminal Screens _______________________________________________________ 4-31
Section 5 - Rear Panel Interfaces ...............................................................................5-1
5.0 DMDVR20 LBST Connections ______________________________________________ 5-1
5.1 Compact Flash __________________________________________________________ 5-1
5.2 Power Input Modules _____________________________________________________ 5-2
5.2.1 AC Power Input Module _________________________________________________ 5-2
5.3 DMDVR20 LBST Chassis Connections _______________________________________ 5-2
5.3.1 EXT REF (J10) ________________________________________________________ 5-2
5.3.2 TX L-Band IF (J11) _____________________________________________________ 5-2
5.3.3 RX (J1) ______________________________________________________________ 5-2
5.3.4 ALARM (J15)__________________________________________________________ 5-2
5.3.5 EXT CLK (J16) ________________________________________________________ 5-3
5.3.6 ASYNC (J17) (NOT SUPPORTED)_________________________________________ 5-3
5.3.7 (J18) ________________________________________________________________ 5-3
5.3.8 EIA-530 (J19) _________________________________________________________ 5-4
5.3.9 REMOTE (J20) ________________________________________________________ 5-5
5.3.10 ETHERNET (J21) (FUTURE OPTION) _____________________________________ 5-5
Section 6 - Maintenance and Troubleshooting .........................................................6-1
6.0 Periodic Maintenance_____________________________________________________ 6-1
6.0.1 Clock Adjustment ______________________________________________________ 6-1
6.1 Troubleshooting _________________________________________________________ 6-1
6.1.1 Alarm Faults __________________________________________________________ 6-2
6.1.1.1 Major Tx Alarms ______________________________________________________ 6-2
6.1.1.2 Major Rx Alarms______________________________________________________ 6-3
6.1.1.3 Minor Tx Alarms ______________________________________________________ 6-3
6.1.1.4 Minor Rx Alarms______________________________________________________ 6-4
6.1.1.5 Common Major Alarms_________________________________________________ 6-4
6.2 Alarm Masks____________________________________________________________ 6-5
6.2.1 Active Alarms _________________________________________________________ 6-5
6.2.1.1 Major Alarms ________________________________________________________ 6-5