Paradise RA 5785 manual Maintenance and Troubleshooting, Redundant System Operation

Section 6: Maintenance and Troubleshooting		53
6.0	Introduction	53
6.1	Cooling System Maintenance	53
6.2	Fan Removal and Heatsink Cleaning	53
6.2.1 Fan Replacement		53
6.3	Troubleshooting guide	54
	6.3.1 Unit doesn’t power up	51
	6.3.2 Unit powers on, LED lamp glows red	54
	6.3.3 SSPA unit powers up, LED lamp glows green, no RF output present	54
	6.3.4 Cannot connect to SSPA through remote control interface	54
	6.3.5 The FSK link between a modem and the SSPB unit is not working	55
Section 7: Redundant System Operation		57
7.0	Redundant System Concepts	57
7.1	1:1 Redundant Systems	57
7.2	1:2 Redundant Systems	58
Section 8: Remote Control Interface		59
8.0	Serial Protocol Overview	59
8.1	Serial communication	61
	8.1.1 Header Packet	61
	8.1.1.1 Frame Sync Word	61
	8.1.1.2 Destination Address	61
	8.1.1.3 Source Address	62
	8.1.2 Data Packet	62
	8.1.2.1 Protocol ID	62
	8.1.2.2 Request ID	62
	8.1.2.3 Command	62
	8.1.2.4 Data Tag	63
	8.1.2.5 Data Address / Error Status / Local Port Frame Length	64
	8.1.2.6 Data Length	64
	8.1.2.7 Data Field	64
	8.1.3 Trailer Packet	65
	8.1.3.1 Frame Check	65
	8.1.4 Timing issues	65
	8.1.5 Serial Communications Protocol	66
8.2	Ethernet Interface	70
	8.2.1 Overview	70
	8.2.2 IPNet Interface	70
	8.2.2.1 General Concept	70
	8.2.2.2 Setting IPNet interface	72
	8.2.2.3 Troubleshooting IP connectivity	72
	8.2.3 SNMP interface	73
	8.2.3.1 SNMP MIB tree	74
	8.2.3.2 Description of MIB entities	75
8.3 M&C via SNMP		79
	8.3.1 Connecting to a MIB browser	80
Appendix A: Documentation		81

Operations Manual, HPA3, Mini Compact Outdoor SSPA 208143 REV - 5