Comtech EF Data DMD50 Installation And Operation Manual page 13

Table of Contents
DMD50 Universal Satellite Modem
5.13 ASI/DVB/M2P Interface (Optional) ........................................................................................ 5-15
5.13.1 ASI IN (J1) .......................................................................................................................... 5-15
5.13.2 ASI OUT (J2) ...................................................................................................................... 5-15
5.13.3 DVB/M2P IN (J3) ............................................................................................................... 5-15
5.13.4 DVB/M2P OUT (J4) ........................................................................................................... 5-17
5.14 Ethernet Data Interface (Optional) ......................................................................................... 5-18
5.15 HSSI / G.703 .............................................................................................................................. 5-18
5.15.1 64K AUDIO (J2) ................................................................................................................. 5-19
5.15.2 8K DATA (J3) .................................................................................................................... 5-20
5.15.3 G.703 BAL (J4)................................................................................................................... 5-20
5.15.4 ESC ALARM (J5) ............................................................................................................... 5-21
5.15.5 1 6 1 B S D (DDI) (J6) ..................................................................................................................... 5-22
5.15.6 1 6 2 B D DO (J7) ............................................................................................................................. 5-22
5.15.7 IDI (J8) ................................................................................................................................ 5-22
5.15.8 SD (IDO) (J9) ..................................................................................................................... 5-22
5.16 HSSI / Ethernet (J1) .................................................................................................................. 5-22
5.17 Ethernet Data Interface ............................................................................................................ 5-23
5.18 GigE Interface ........................................................................................................................... 5-23
CHAPTER 6.
6.1 Periodic Maintenance ................................................................................................................. 6-1
6.1.1 Clock Adjustment ................................................................................................................. 6-1
6.2 Troubleshooting .......................................................................................................................... 6-2
6.2.1 Alarm Faults .......................................................................................................................... 6-2
6.2.1.1 Major Tx Alarms ............................................................................................................... 6-2
6.2.1.2 Major Rx Alarms .............................................................................................................. 6-3
6.2.1.3 Minor Tx Alarms .............................................................................................................. 6-3
6.2.1.4 Minor Rx Alarms .............................................................................................................. 6-3
6.2.1.5 Drop and Insert Alarms ..................................................................................................... 6-4
6.2.1.6 Common Major Alarms .................................................................................................... 6-4
6.2.2 Alarm Masks ......................................................................................................................... 6-5
6.2.2.1 Active Alarms ................................................................................................................... 6-5
6.2.2.1.1 Major Alarms ....................................................................................................................... 6-5
6.2.2.1.2 Minor Alarms ....................................................................................................................... 6-5
6.2.2.1.3 Common Equipment Faults ................................................................................................. 6-6
6.2.2.2 Latched Alarms ................................................................................................................. 6-6
6.2.2.3 Backward Alarms .............................................................................................................. 6-6
6.3 IBS Fault Conditions and Actions ............................................................................................. 6-6
CHAPTER 7.
7.1 Data Rates .................................................................................................................................... 7-1
MAINTENANCE AND TROUBLESHOOTING ..................................... 6-1
TECHNICAL SPECIFICATIONS .......................................................... 7-1
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Revision 3
MN-DMD50