Operations Manual, HPA2, Compact Outdoor SSPA
208495 REV B
5
Section 7: Performance Tests .......................................................................................... 65
7.0 Introduction ......................................................................................................... 65
7.1 Standard tests ..................................................................................................... 65
7.1.1 Swept Gain ..................................................................................................... 65
7.1.2 Spurious .......................................................................................................... 66
7.1.3 Input Return Loss ............................................................................................ 66
7.1.4 Output Return Loss ......................................................................................... 66
7.1.5 Intermodulation Distortion ............................................................................... 67
7.1.6 Power Requirements ...................................................................................... 67
7.1.7 Earth Ground .................................................................................................. 68
7.1.8 Sample Port .................................................................................................. 68
7.1.9 P1dB and Psat ............................................................................................... 68
7.1.10 I/O Test ......................................................................................................... 68
7.1.11 Ethernet (if equipped) ................................................................................... 68
7.2 Tests for units with integrated zBUC ................................................................... 69
7.2.1 Reference Lock ................................................................................................ 69
7.2.2 FSK .................................................................................................................. 69
7.2.3 Phase Noise ..................................................................................................... 69
7.2.4 Microphonics .................................................................................................... 69
7.3 Optional Tests ..................................................................................................... 70
7.3.1 Noise Figure ..................................................................................................... 70
7.3.2 Group Delay ..................................................................................................... 70
7.3.3 AM/PM ............................................................................................................. 70
7.3.4 Noise Power ..................................................................................................... 70
7.3.5 Harmonics ........................................................................................................ 70
Section 8: Maintenance & Troubleshooting .................................................................... 71
8.0 Introduction ......................................................................................................... 71
8.1 Cooling System Maintenance ............................................................................. 71
8.2 Fan Removal and Heatsink Cleaning .................................................................. 71
8.2.1 Fan Replacement ............................................................................................. 72
8.3 Troubleshooting guide ........................................................................................ 72
8.3.1 Unit doesn’t power up ...................................................................................... 72
8.3.2 Unit powers on, LED lamp glows red ............................................................... 72
8.3.3 SSPA unit powers up, LED lamp glows green, but no RF output is present .... 73
8.3.4 Cannot connect to SSPA through remote control interface .............................. 73
8.3.5 The FSK link between a modem and the SSPB unit is not working ................. 74
Section 9: Redundant System Operation ........................................................................ 75
9.0 Redundant System Concepts ............................................................................. 75
9.1 Compact Outdoor Amplifier in 1:1 Redundancy .................................................. 77
9.1.1 Hardware Setup ............................................................................................... 78
9.1.2 Software Setup ................................................................................................ 79
9.1.2.1 Stand-Alone 1:1 Redundant System ............................................................. 79
9.1.2.2 PC Control using RS232 and Paradise M&C Software ................................ 82
9.1.2.3 PC Control using RS-485 and Paradise M&C Software ............................... 87
9.2 1:2 Redundant Systems ...................................................................................... 89
9.3 1:2 Redundant Systems with L-Band Input ......................................................... 92
Содержание 205486 REV F
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