Operating instructions

DMD20/DMD20 LBST Universal Satellite Modem Table of Contents
TM103 – Rev. 2.8 xi
5.11 Ethernet Data Interface (Optional) _________________________________________ 5-25
5.12 HSSI / G.703 _________________________________________________________ 5-25
5.12.1 64K AUDIO (J2) _____________________________________________________ 5-26
5.12.2 8K DATA (J3) _______________________________________________________ 5-27
5.12.3 G.703 BAL (J4) ______________________________________________________ 5-27
5.12.4 ESC ALARM (J5) ____________________________________________________ 5-28
5.12.5 SD (DDI) (J6)________________________________________________________ 5-29
5.12.6 DDO (J7) ___________________________________________________________ 5-29
5.12.7 IDI (J8)_____________________________________________________________ 5-29
5.12.8 SD (IDO) (J9) _______________________________________________________ 5-29
5.13 HSSI / Ethernet (J1) ____________________________________________________ 5-29
5.14 Ethernet Data Interface _________________________________________________ 5-30
5.15 GigE Interface ________________________________________________________ 5-30
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