Paradise Datacom 4 RU Chassis, Operation Manual

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4 RU SSPA Chassis Operations Manual 201627 REV X 5
2.4.1 Selecting the Master Unit ...................................................................................... 42
2.4.2 Controlling system operation ................................................................................. 43
2.4.3 N+1 Addressing ..................................................................................................... 43
2.4.4 Adjust system gain ................................................................................................ 44
2.4.5 N+1 Automatic gain control option ........................................................................ 44
2.4.6 N+1 RF power measurements .............................................................................. 44
2.4.7 N+1 Fault Detection ............................................................................................... 45
2.5 Reflected Power Option ......................................................................................................... 45
2.5.1 Reflected Power Alarm .......................................................................................... 45
Section 3: Troubleshooting and Maintenance ..................................................................................... 47
3.0 Troubleshooting Faults .......................................................................................................... 47
3.0.1 Summary Fault ...................................................................................................... 47
3.0.2 Voltage Fault ......................................................................................................... 47
3.0.3 Temperature Fault ................................................................................................. 47
3.0.4 Current Fault .......................................................................................................... 48
3.0.5 Power Supply Fault ............................................................................................... 48
3.0.6 Fan Fault ............................................................................................................... 48
3.0.7 Low RF Fault ......................................................................................................... 48
3.1 Modular SSPA Architecture ................................................................................................... 49
3.1.1 Removable Fans (intake and exhaust).................................................................. 49
3.1.2 SSPA Module Removal ......................................................................................... 50
3.1.3 Removable Controller Card (rear panel) ............................................................... 52
3.1.4 Firmware Upgrade Procedure ............................................................................... 52
3.1.4.1 Required Hardware ............................................................................... 53
3.1.4.2 Download Firmware .............................................................................. 53
3.1.4.3 Step-by-Step Procedure ........................................................................ 53
3.2 Changing N+1 hierarchy ........................................................................................................ 54
3.2.1 Changing hierarchical order of slave units ............................................................ 54
3.2.2 Exchange N+1 privileges between master and slave units ................................... 54
3.2.3 Add an SSPA unit to the system ........................................................................... 54
Section 4: 1:1 Redundant Operation .................................................................................................... 57
4.0 Introduction ............................................................................................................................ 57
4.1 Hardware ............................................................................................................................... 59
4.1.1 Power Supply ........................................................................................................ 59
4.1.2 RF Switch .............................................................................................................. 59
4.1.3 Switch Connector .................................................................................................. 59
4.1.4 Link Cable .............................................................................................................. 60
4.2 Installation and SSPA Configuration ..................................................................................... 61
4.2.1 Configuring Amplifiers to Work in 1:1 Redundant Mode ....................................... 61
4.2.1.1 Setting SSPA1 to Work in 1:1 Redundant Mode ................................... 61
4.2.1.2 Setting SSPA1 Switching Mode ............................................................ 61
4.2.1.3 Setting SSPA1 Unit Status .................................................................... 62
4.2.2 Online / Standby Amplifier Selection ..................................................................... 62
4.2.3 Auto versus Manual Switching Mode .................................................................... 62
4.2.4 Physically Rotating Transfer Switch ...................................................................... 63
4.2.5 Switchover Muting ................................................................................................. 63
4.2.6 Parallel Port Special Functions ............................................................................. 64
Section 5: 1:2 Internal Redundancy...................................................................................................... 65
5.0 Introduction ............................................................................................................................ 65
5.1 Required hardware ................................................................................................................ 66
5.2 Power Supply ........................................................................................................................ 67
5.3 RF Switches .......................................................................................................................... 67