Table of ContentsTable of Contents Revision 14
DMD20/DMD20LBST Universal Satellite Modem MN-DMD20-20LBST
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5.8.3 8K DATA (J3) ............................................................................................................... 5–15
5.8.4 G.703 BAL (J4).............................................................................................................. 5–16
5.8.5 SWITCH INTERFACE (J5) ........................................................................................... 5–17
5.8.6 SD (DDI) (J6) ................................................................................................................ 5–20
5.8.7 DDO (J7) ....................................................................................................................... 5–20
5.8.8 IDI (J8) .......................................................................................................................... 5–20
5.8.9 SD (IDO) (J9) ................................................................................................................ 5–20
5.9 Ethernet Data Interface (Optional) ..................................................................................... 5–20
5.10 High-Speed Serial Interface (HSSI) (Optional)................................................................... 5–21
5.10.1 HSSI (J6) ....................................................................................................................... 5–21
5.11 ASI/DVB/M2P Interface (Optional) .................................................................................... 5–21
5.11.1 ASI IN (J1) .................................................................................................................... 5–21
5.11.2 ASI OUT (J2) ................................................................................................................. 5–21
5.11.3 DVB/M2P IN (J3) .......................................................................................................... 5–22
5.11.4 DVB/M2P OUT (J4) ...................................................................................................... 5–24
5.12 Ethernet Data Interface (Optional) ..................................................................................... 5–26
5.13 HSSI / G.703 ......................................................................................................................... 5–26
5.13.1 64K AUDIO (J2) ............................................................................................................ 5–27
5.13.2 8K DATA (J3) ............................................................................................................... 5–28
5.13.3 G.703 BAL (J4).............................................................................................................. 5–28
5.13.4 ESC ALARM (J5) .......................................................................................................... 5–29
5.13.5 SD (DDI) (J6) ................................................................................................................ 5–29
5.13.6 DDO (J7) ....................................................................................................................... 5–29
5.13.7 IDI (J8) .......................................................................................................................... 5–29
5.13.8 SD (IDO) (J9) ................................................................................................................ 5–30
5.14 HSSI / Ethernet (J1) ............................................................................................................. 5–30
5.15 Ethernet Data Interface ....................................................................................................... 5–31
5.16 GigE Interface ...................................................................................................................... 5–32
CHAPTER 6. MAINTENANCE AND TROUBLESHOOTING ..................................... 6–1
6.1 Periodic Maintenance ............................................................................................................ 6–1
6.1.1 Clock Adjustment............................................................................................................. 6–1
6.2 Troubleshooting
..................................................................................................................... 6–1
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 ......................................................................................................... 6–4
6.2.1.5 Drop and Insert Alarms ................................................................................................ 6–5
6.2.1.6 Common Major Alarms ................................................................................................ 6–5
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