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DMD50 Universal Satellite Modem
5.9.7 IDI (J8) _____________________________________________________________ 5-23
5.9.8 SD (IDO) (J9) ________________________________________________________ 5-23
5.10 HSSI / Ethernet (J1) ____________________________________________________ 5-23
5.11 Ethernet Data Interface _________________________________________________ 5-24
5.12 GigE Interface _________________________________________________________ 5-24
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 Drop and Insert Alarms ________________________________________________ 6-5
6.1.1.6 Common Major Alarms ________________________________________________ 6-5
6.1.2 Alarm Masks __________________________________________________________ 6-6
6.1.2.1 Active Alarms ________________________________________________________ 6-6
6.1.2.1.1 Major Alarms _______________________________________________________ 6-6
6.1.2.1.2 Minor Alarms _______________________________________________________ 6-6
6.1.2.1.3 Common Equipment Faults____________________________________________ 6-6
6.1.2.2 Latched Alarms ______________________________________________________ 6-6
6.1.2.3 Backward Alarms _____________________________________________________ 6-7
6.2 IBS Fault Conditions and Actions____________________________________________ 6-7
Section 7 - Technical Specifications ........................................................................................ 7-1
7.0 Data Rates _____________________________________________________________ 7-1
7.1 Modulator ______________________________________________________________ 7-1
7.2 Demodulator____________________________________________________________ 7-2
7.3 Plesiochronous Buffer ____________________________________________________ 7-2
7.4 Monitor and Control ______________________________________________________ 7-2
7.5 DMD50 Drop and Insert (Optional)___________________________________________ 7-3
7.6 Terrestrial Interfaces _____________________________________________________ 7-3
7.7 IDR/ESC Interface (Optional) _______________________________________________ 7-3
7.8 IBS/Synchronous Interface (Standard)________________________________________ 7-3
7.9 High-Speed Serial Interface (HSSI) __________________________________________ 7-3
7.10 ASI __________________________________________________________________ 7-3
TM118 - Rev. 1.1
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