
IndicatorsandControls
AnalogOutputs
The(8)analoglineleveloutputsontheVIM‐1808areconnected
via(1)DB25connectors,(8)channelsperDB25connector.
AnalogInputs
The(8)inputsareconnectedviaasingleDB25connector.Inputs
arelinelevel.
InputSelectionSwitch
DigitalInputs
The(8)digitalreturns
areconnectedviaasingleDB25connector.
DigitalinputsareallAES3compliant.
DigitalOutputs
The(8)AESdigitaloutputsontheVIM‐1832areconnectedvia(1)
DB25connectors,(8)channelsperDB25connector.
PrimaryFiberConnection
TheVIM‐1808containsasingleprimarypairoffiberconnectors.
Always
becertaintouseappropriatefiberandconnectors.
LightVipersystemsusemultimodefiber.Singlemodeopticsare
availableonacustombasisforsituationswheresinglemode fiber
mayalreadyexist.
FiberThruConnection
ControlCircuitConnector
ThisRJ45connectorprovides(3)bi‐directionalCMOSorTTLdata
lines
(upto38.4KHzfromVIM‐0808toVIM‐1808and2MHzfrom
VIM‐1808toVIM‐0808)plusvoltageandGND.Thisconnectoris
usedinconjunctionwithDGL‐422cablesfortransportingYamaha
control,orwithMD3unitstotransportRS‐422,RS‐232orMIDI.
THISISNOT
ANETHERNETCONNECTOR–CONNECTINGAN
ETHERNETDEVICETOTHISCONNECTORCOULDDAMAGETHE
DEVICE.Thepinoutsforthisconnectoraredetailedinthe
appendix.MostCMOSorTTLfunctions/equipmentcanbe
adaptedtomakeuseofthisconnector.
SyncLED
ThisLEDindicatesthestatusof
thefiber‐opticlinkbetweenthe
VIM‐1808andVIM‐0808.Ithasthreestates;SOLIDREDindicates
thereisnosyncpresent;ALTERNATINGRED&GREENindicates
theunitissearchingforsync;SOLIDGREENindicatessyncis
present(opticallink)andOFFindicatesnopower.
PowerConnector/
Fuse
TheACpowerconnectiontotheVIM‐1808&VIM‐0808aremade
viathesuppliedIECpowercords.Theinternalpowersupplycan
accept90‐260Vateither50or60Hz>Thepowerfuseisa
5x20mm,1ASlo‐Blo.Onlyreplacethefusewithanexactmatch.
If
afterreplacementthefuseblowsagain,contactFiberplexfor
service.
WordClockExternalInput
ClockFrequencySwitch
choosesbetweenanaloglinelevelanddigitalreturns
WordClock/SuperClockOutput
13
12
11
10
9
8
7
6
5
4
3
2
1
1
2
0
1
2
3
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