100
Aerospace
ContactAmphenolAerospaceformoreinformationat800-678-0141•www.amphenol-aerospace.com
LRM (Line Replaceable Modules)
Staggered/
GEN-X
Hybrids - Fiber Optics/
Hi Speed/RF/Power
Options/
Accessories
High Density
HDB3 HSB3
Hi Speed
Low Mating Force MIL-DTL-55302
Standard
Brush
Hybrids - Signal/Power/
Coax/Fiber Optics
Rack & Panel
Brush
Ruggedized Docking Conn./
Accessories/Install.
Introduction/
Pkg. Solutions/
Brush Contact
LMD/LMS
Rectangular
Interconnects
Other
Rectangular
Interconnects
Ruggedized
VME64x /
VITA 60, 66
TheLMDConnectorSerieswasdesignedbyAmphe-
nolPyle-Nationaltoprovideexibilityintheassembly
ofwireharnessesthatareusedininstrumentationand
avioniccontrolenvironments.Themodulardesignof
theLMDprovidesrackandpanelorcabletocable
attachment.
LMD Modular Connectors
Design Features of LMD Connectors
• AnLMDConnectoriscomprisedofahousing,
modulesandcontacts-eachorderedseparately,
requiringassembly
• Lightweighthousingsareofferedintwomaterials
•standardblackthermoplastic
•highperformancecompositematerialforEMI
shielding
•whitethermoplasticnylonmaterialwithincreased
solventresistance
• Fourstandardmodulesareavailablewiththe
followingcontactarrangements:1#8,4#16,9#20,
16#22
• Modulesareavailableinsealedandunsealed
versions
• Linearmoduledesignmaybeusedforrackand
panelorcabletocableapplications
• Bussingmodulesavailabletoallowforapluralityof
circuitnetworkcongurationswithoutextra
hardware
• Diodemodulesprovideacurrentprotectionsystem
foravionicinstrumentationpackagesandeliminate
theneedfordedicatedPCboardsandother
hardware
• Miniaturerelaymodulescanbeaddedwhich
eliminatetheneedforprintedcircuitboardsand
hardware
LMD Receptacle and Plug
LMS Tool-less Splice Connector
LMD Benets
• Reducesassemblyandproductioncosts
• EliminatescostlyPCboardandassociatedhardware
• Reducesinventorylevelsandassociatedcosts
• Allowsforavarietyofcircuitcongurations
• Permitseaseofcircuitupgrading
• Facilitatesequipmentmaintenance
SupplementingtheLMDconnectorfamily,Amphenol/Pyle
NationalofferstheLMSin-linespliceconnector;alowcost
interconnectsthatincorporatestheLMDmodulesandcontacts.
• StandardLMSspliceconnector-3-pieceassemblywith
moduleremovaltoolaccess
• Tool-lessspliceconnector-3-pieceassemblywitha
push-buttonmodulereleaseforeasymoduleremoval
• Two-piecebracketavailableforpanelmounting
• Usedinwireharness,instrumentandequipment
terminationsandtestpoints
LMS Modular Connectors
TemperatureRating –55°Cto+140°C(-67°Fto+284°F)
InsulationResistance
(min.)
5000megohmsinitial:1000megohmsafter96
hourshumidity
Durability 250cycles(matingandunmating)
Vibration
Maximumdiscontinuityofonemicrosecond
whensubjectedtosinusoidalvibrationof10to
2000Hzat15gravityunits
PhysicalShock
Maximumdiscontinuityofonemicrosecond
whensubjectedto1/2-sine-wavetransient
shockof50gravityunitswithpulsedurationof
11milliseconds
ModuleInsertion&
RemovalForce 5lbs.maximum
ModuleRetention 70lbs.minimum
LMD Performance Characteristics
Amphenol®LMDandLMSModularConnectors
forRack&PanelorCableAttachment
INTRODUCTION: FEATURES, BENEFITS, PERFORMANCE