User's Manual

Table Of Contents
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-200 SDU and SCM
23-15-30 TC-3
DATE TBD
B. Cabling Notes ..................................................................................................................3-1
3. Installation Procedure...........................................................................................3-2
4. Connection Details................................................................................................3-2
A. SDU .................................................................................................................................3-2
B. SCM .................................................................................................................................3-7
5. Owners Requirements Table (ORT).....................................................................3-8
A. ORT Overview .................................................................................................................3-8
6. Passive Intermodulation (PIM) Test.....................................................................3-8
A. Overview ..........................................................................................................................3-8
B. PIM Requirements ...........................................................................................................3-8
C. PIM Test ........................................................................................................................... 3-9
D. PIM Test Results ..............................................................................................................3-9
(1) PIM Test Overall Status................................................................................................3-9
(2) Directional PIM Test Results ...................................................................................... 3-10
7. Installation and Engineering Drawings.............................................................3-10
A. Outline and Installation Drawings .................................................................................. 3-10
B. System Interconnect Drawings ......................................................................................3-10
TEST AND FAULT ISOLATION
1. Operational and Diagnostic Testing....................................................................4-1
A. General ............................................................................................................................4-1
B. Test and Fault Isolation Equipment Requirements ..........................................................4-1
C. SDU Maintenance Port Utility (MPU) ...............................................................................4-2
(1) Connecting to the MPU................................................................................................ 4-2
(2) Using the SDU MPU ....................................................................................................4-3
(3) Menu Item Descriptions ...............................................................................................4-4
D. Operational and Diagnostic Test Procedures ..................................................................4-5
(1) Test Setup Procedure...................................................................................................4-6
(2) Post Test ......................................................................................................................4-6
(3) Installation and Operational Verification Tests .............................................................4-6
2. Troubleshooting and Fault Isolation ...................................................................4-7
A. Subsystem Health ............................................................................................................4-7
B. SATCOM System Bus ...................................................................................................... 4-8
C. Thermal Status ...............................................................................................................4-10
D. SCM Health ................................................................................................................... 4-11
E. Subsystem Bus Status ................................................................................................... 4-13