Sky Connect DO-160 - Mmu II Master Vs. Slave Configuration

1616-920-03
8/28/2014
Rev: B
5
4.2 MMUIIMASTERvs.SLAVECONFIGURATION
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ThisconfigurationwillallowtwoMMUIIstobeusedconnectedtoonetransceiver.
Thefunctionhere,sincetheRS485hasnotyetbeenimplemented,wouldbetoallow
twoMMUIIstoconnectandcarryonaphoneconversationasinapartyline
situation.TheSlavewillnotbeabletoindicatesignalstrengthasthatisafunction
oftheRS232controllineandnotimplementedaspartofthisfeature...yet.
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FulloperationoftheMMUIIinamasterslaverelationshipwillrequire
implementationoftheRS485controlbus.Thisisnotyetreleasedandwhenitisall
slaveswillfunctionasthemasterdoesinaninstallation.
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ToconfiguretwoMMUIIstocommunicateoverPOTSlinewithonetransceiver,
followthebelowprocedure.
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PerformthefollowingconfigurationandtestingwithreferencetotheMMUII
OperatorsGuide,andthePilot’sGuidefordescriptionoffunctionanduseofthe
knobsandmenus.