Comtech EF Data LPOD - Theory of Operation and Block Diagrams

LPOD C-/Ku-Band Outdoor Amplifier/Block Up Converter (BUC) Revision 3
Table of Contents MN-LPOD
vi
B.1.2 Attenuator Control ................................................................................................................... B–1
B.1.3 Mute Control ............................................................................................................................ B–1
B.1.4 Faults ....................................................................................................................................... B–2
B.1.5 Power Detector ........................................................................................................................ B–2
B.1.6 Some Common Commands ..................................................................................................... B–2
B.2 Remote Control Protocol and Structure .................................................................................. B–3
B.2.1 RS-485 ..................................................................................................................................... B–3
B.2.2 RS-232 ..................................................................................................................................... B–3
B.2.3 Basic Protocol .......................................................................................................................... B–4
B.2.4 Packet Structure ....................................................................................................................... B–4
B.2.4.1 Start of Packet .................................................................................................................. B–4
B.2.4.2 Target Address ................................................................................................................. B–5
B.2.4.3 Address Delimiter ............................................................................................................ B–5
B.2.4.4 Instruction Code ............................................................................................................... B–5
B.2.4.5 Instruction Code Qualifier ............................................................................................... B–6
B.2.4.6 Optional Message Arguments .......................................................................................... B–7
B.2.4.7 End of Packet ................................................................................................................... B–7
B.2.4.8 End-of-Life Commands ................................................................................................... B–7
B.3 Remote Commands and Queries .............................................................................................. B–8
Tables
Table 2-1. J2 RF Output ............................................................................................................................ 2–2
Table 2-2. LPOD PS-1 ‘J3 PWR IN’ Pin Assignments ............................................................................ 2–3
Table 2-3. LPOD PS-2 ‘J3 PWR IN’ Pin Assignments ............................................................................ 2–3
Table 2-4. LPOD PS-1 ‘J3 PWR IN’ Pin Assignments ............................................................................ 2–4
Table 2-5. LPOD PS-2 ‘J3 PWR IN’ Pin Assignments ............................................................................ 2–4
Table 2-6. LPOD PS-2 ‘J3 PWR IN’ 48VDC Pin Assignments ............................................................... 2–5
Table 2-7. Connector J6 Pinout................................................................................................................. 2–6
Table A-1. KT-0000116 LPOD Rx Splitter / Cable Kit BOM ................................................................ A–4
Table A-2. KT-0000098 LPOD C-Band Rx Switch Kit BOM ................................................................ A–4
Table A-3. PL/7596-1 LPOD Ku-Band Rx Switch Kit BOM ................................................................. A–4
Table A-4. KT-0000104 LPOD PS-1 1:1 Redundancy Kit BOM ......................................................... A–10
Table A-5. KT-0000090 LPOD PS-1 C-Band (Coax) 1:1 Redundancy Kit BOM ................................ A–14
Table A-6. KT-0000089 LPOD PS-1 Ku-Band 1:1 Redundancy Kit BOM .......................................... A–18
Table A-7. KT-0000091 LPOD PS-2 C-Band 1:1 Redundancy Kit BOM ............................................ A–22